vendor/libc++/libc++-release_370-r246257

122 files changed, 8750 insertions, 0 deletions

diff --git a/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp b/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp
new file mode 100644
index 0000000000000..1ea1d780c50ff
--- /dev/null
+++ b/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp
@@ -0,0 +1,75 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
+
+// REQUIRES: locale.en_US.UTF-8
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  -$1,234,567.89");
+        std::istream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, false);
+        assert(x == -123456789);
+    }
+    {
+        testbuf<char> sb("  -USD 1,234,567.89");
+        std::istream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, true);
+        assert(x == -123456789);
+    }
+    {
+        testbuf<wchar_t> sb(L"  -$1,234,567.89");
+        std::wistream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, false);
+        assert(x == -123456789);
+    }
+    {
+        testbuf<wchar_t> sb(L"  -USD 1,234,567.89");
+        std::wistream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        long double x = 0;
+        is >> std::get_money(x, true);
+        assert(x == -123456789);
+    }
+}
diff --git a/test/std/input.output/iostream.format/ext.manip/get_time.pass.cpp b/test/std/input.output/iostream.format/ext.manip/get_time.pass.cpp
new file mode 100644
index 0000000000000..17ff642dc46d2
--- /dev/null
+++ b/test/std/input.output/iostream.format/ext.manip/get_time.pass.cpp
@@ -0,0 +1,73 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  Sat Dec 31 23:55:59 2061");
+        std::istream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        is >> std::get_time(&t, "%a %b %d %H:%M:%S %Y");
+        assert(t.tm_sec == 59);
+        assert(t.tm_min == 55);
+        assert(t.tm_hour == 23);
+        assert(t.tm_mday == 31);
+        assert(t.tm_mon == 11);
+        assert(t.tm_year == 161);
+        assert(t.tm_wday == 6);
+        assert(is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L"  Sat Dec 31 23:55:59 2061");
+        std::wistream is(&sb);
+        is.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        is >> std::get_time(&t, L"%a %b %d %H:%M:%S %Y");
+        assert(t.tm_sec == 59);
+        assert(t.tm_min == 55);
+        assert(t.tm_hour == 23);
+        assert(t.tm_mday == 31);
+        assert(t.tm_mon == 11);
+        assert(t.tm_year == 161);
+        assert(t.tm_wday == 6);
+        assert(is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp b/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
new file mode 100644
index 0000000000000..a00cf139be938
--- /dev/null
+++ b/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
@@ -0,0 +1,91 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
+
+// REQUIRES: locale.en_US.UTF-8
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, false);
+        assert(sb.str() == "-$1,234,567.89");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, true);
+        assert(sb.str() == "-USD 1,234,567.89");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, false);
+        assert(sb.str() == L"-$1,234,567.89");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        showbase(os);
+        long double x = -123456789;
+        os << std::put_money(x, true);
+        assert(sb.str() == L"-USD 1,234,567.89");
+    }
+}
diff --git a/test/std/input.output/iostream.format/ext.manip/put_time.pass.cpp b/test/std/input.output/iostream.format/ext.manip/put_time.pass.cpp
new file mode 100644
index 0000000000000..52a98a1b5688c
--- /dev/null
+++ b/test/std/input.output/iostream.format/ext.manip/put_time.pass.cpp
@@ -0,0 +1,84 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);
+
+#include <iomanip>
+#include <cassert>
+
+#include "platform_support.h" // locale name macros
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        t.tm_sec = 59;
+        t.tm_min = 55;
+        t.tm_hour = 23;
+        t.tm_mday = 31;
+        t.tm_mon = 11;
+        t.tm_year = 161;
+        t.tm_wday = 6;
+        t.tm_isdst = 0;
+        os << std::put_time(&t, "%a %b %d %H:%M:%S %Y");
+        assert(sb.str() == "Sat Dec 31 23:55:59 2061");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.imbue(std::locale(LOCALE_en_US_UTF_8));
+        std::tm t = {0};
+        t.tm_sec = 59;
+        t.tm_min = 55;
+        t.tm_hour = 23;
+        t.tm_mday = 31;
+        t.tm_mon = 11;
+        t.tm_year = 161;
+        t.tm_wday = 6;
+        os << std::put_time(&t, L"%a %b %d %H:%M:%S %Y");
+        assert(sb.str() == L"Sat Dec 31 23:55:59 2061");
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/member_swap.pass.cpp b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/member_swap.pass.cpp
new file mode 100644
index 0000000000000..f4d425728b773
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/member_swap.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// void swap(basic_iostream& rhs);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_iostream
+    : public std::basic_iostream<CharT>
+{
+    typedef std::basic_iostream<CharT> base;
+    test_iostream(testbuf<CharT>* sb) : base(sb) {}
+
+    void swap(test_iostream& s) {base::swap(s);}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_iostream<char> is1(&sb1);
+        test_iostream<char> is2(&sb2);
+        is1.swap(is2);
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_iostream<wchar_t> is1(&sb1);
+        test_iostream<wchar_t> is2(&sb2);
+        is1.swap(is2);
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp
new file mode 100644
index 0000000000000..2032e935bfacc
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.assign/move_assign.pass.cpp
@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// basic_iostream& operator=(basic_iostream&& rhs);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_iostream
+    : public std::basic_iostream<CharT>
+{
+    typedef std::basic_iostream<CharT> base;
+    test_iostream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_iostream& operator=(test_iostream&& s)
+        {base::operator=(std::move(s)); return *this;}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_iostream<char> is1(&sb1);
+        test_iostream<char> is2(&sb2);
+        is2 = (std::move(is1));
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_iostream<wchar_t> is1(&sb1);
+        test_iostream<wchar_t> is2(&sb2);
+        is2 = (std::move(is1));
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp
new file mode 100644
index 0000000000000..c0592e927c8f6
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp
@@ -0,0 +1,78 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// basic_iostream(basic_iostream&& rhs);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_iostream
+    : public std::basic_iostream<CharT>
+{
+    typedef std::basic_iostream<CharT> base;
+    test_iostream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_iostream(test_iostream&& s)
+        : base(std::move(s)) {}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb;
+        test_iostream<char> is1(&sb);
+        test_iostream<char> is(std::move(is1));
+        assert(is1.rdbuf() == &sb);
+        assert(is1.gcount() == 0);
+        assert(is.gcount() == 0);
+        assert(is.rdbuf() == 0);
+        assert(is.tie() == 0);
+        assert(is.fill() == ' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb;
+        test_iostream<wchar_t> is1(&sb);
+        test_iostream<wchar_t> is(std::move(is1));
+        assert(is1.gcount() == 0);
+        assert(is.gcount() == 0);
+        assert(is1.rdbuf() == &sb);
+        assert(is.rdbuf() == 0);
+        assert(is.tie() == 0);
+        assert(is.fill() == L' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/streambuf.pass.cpp b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/streambuf.pass.cpp
new file mode 100644
index 0000000000000..dacc8d26d76e1
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/streambuf.pass.cpp
@@ -0,0 +1,55 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream;
+
+// explicit basic_iostream(basic_streambuf<charT,traits>* sb);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::basic_iostream<char> is(&sb);
+        assert(is.rdbuf() == &sb);
+        assert(is.tie() == 0);
+        assert(is.fill() == ' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::basic_iostream<wchar_t> is(&sb);
+        assert(is.rdbuf() == &sb);
+        assert(is.tie() == 0);
+        assert(is.fill() == L' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+        assert(is.gcount() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.dest/nothing_to_do.pass.cpp b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.dest/nothing_to_do.pass.cpp
new file mode 100644
index 0000000000000..b58f5c55b643a
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.dest/nothing_to_do.pass.cpp
@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/input.streams/iostreamclass/types.pass.cpp b/test/std/input.output/iostream.format/input.streams/iostreamclass/types.pass.cpp
new file mode 100644
index 0000000000000..6890f1cf7c170
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/iostreamclass/types.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_iostream :
+//     public basic_istream<charT,traits>,
+//     public basic_ostream<charT,traits>
+// {
+// public:
+//     // types:
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <istream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_istream<char>, std::basic_iostream<char> >::value), "");
+    static_assert((std::is_base_of<std::basic_ostream<char>, std::basic_iostream<char> >::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_iostream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/bool.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/bool.pass.cpp
new file mode 100644
index 0000000000000..beaebfe8566d3
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/bool.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(bool& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        bool n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        bool n = true;
+        is >> n;
+        assert(n == false);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 1 ");
+        std::istream is(&sb);
+        bool n = 0;
+        is >> n;
+        assert(n == true);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 1 ");
+        std::wistream is(&sb);
+        bool n = 0;
+        is >> n;
+        assert(n == true);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/double.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/double.pass.cpp
new file mode 100644
index 0000000000000..1c8716e86e47b
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/double.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(double& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        double n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        double n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        double n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123.5 ");
+        std::wistream is(&sb);
+        double n = 10;
+        is >> n;
+        assert(n == -123.5);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/float.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/float.pass.cpp
new file mode 100644
index 0000000000000..f5ef23e654a1b
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/float.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(float& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        float n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        float n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        float n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123.5 ");
+        std::wistream is(&sb);
+        float n = 10;
+        is >> n;
+        assert(n == -123.5);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/int.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/int.pass.cpp
new file mode 100644
index 0000000000000..25687db16f37e
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/int.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(int& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        int n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        int n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        int n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -1234567890123456 ");
+        std::wistream is(&sb);
+        int n = 10;
+        is >> n;
+        assert(n == std::numeric_limits<int>::min());
+        assert(!is.eof());
+        assert( is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long.pass.cpp
new file mode 100644
index 0000000000000..4b4765452c687
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123 ");
+        std::wistream is(&sb);
+        long n = 10;
+        is >> n;
+        assert(n == -123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_double.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_double.pass.cpp
new file mode 100644
index 0000000000000..cc70faed6c23a
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_double.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(long double& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        long double n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        long double n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        long double n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123.5 ");
+        std::wistream is(&sb);
+        long double n = 10;
+        is >> n;
+        assert(n == -123.5);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_long.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_long.pass.cpp
new file mode 100644
index 0000000000000..c37e175162487
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/long_long.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(long long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        long long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        long long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        long long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -123 ");
+        std::wistream is(&sb);
+        long long n = 10;
+        is >> n;
+        assert(n == -123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/pointer.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/pointer.pass.cpp
new file mode 100644
index 0000000000000..52b35666424af
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/pointer.pass.cpp
@@ -0,0 +1,97 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(void*& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        void* n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        void* n = (void*)1;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 1 ");
+        std::istream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)1);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 1 ");
+        std::wistream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)1);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb("12345678");
+        std::istream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)0x12345678);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L"12345678");
+        std::wistream is(&sb);
+        void* n = 0;
+        is >> n;
+        assert(n == (void*)0x12345678);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/short.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/short.pass.cpp
new file mode 100644
index 0000000000000..62e44f542a649
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/short.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(short& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        short n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        short n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        short n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" -1234567890 ");
+        std::wistream is(&sb);
+        short n = 10;
+        is >> n;
+        assert(n == std::numeric_limits<short>::min());
+        assert(!is.eof());
+        assert( is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_int.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_int.pass.cpp
new file mode 100644
index 0000000000000..6f1091690da1e
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_int.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned int& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned int n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned int n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned int n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned int n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long.pass.cpp
new file mode 100644
index 0000000000000..eb8a7231ffca1
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long_long.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long_long.pass.cpp
new file mode 100644
index 0000000000000..1db250ed463a9
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_long_long.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned long long& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned long long n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned long long n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned long long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned long long n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_short.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_short.pass.cpp
new file mode 100644
index 0000000000000..78fdc66388235
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.arithmetic/unsigned_short.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// operator>>(unsigned short& val);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        unsigned short n = 0;
+        is >> n;
+        assert(is.fail());
+    }
+    {
+        testbuf<char> sb("0");
+        std::istream is(&sb);
+        unsigned short n = 10;
+        is >> n;
+        assert(n == 0);
+        assert( is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<char> sb(" 123 ");
+        std::istream is(&sb);
+        unsigned short n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123 ");
+        std::wistream is(&sb);
+        unsigned short n = 10;
+        is >> n;
+        assert(n == 123);
+        assert(!is.eof());
+        assert(!is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.reqmts/tested_elsewhere.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.reqmts/tested_elsewhere.pass.cpp
new file mode 100644
index 0000000000000..b58f5c55b643a
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream.formatted.reqmts/tested_elsewhere.pass.cpp
@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/basic_ios.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/basic_ios.pass.cpp
new file mode 100644
index 0000000000000..0d4516d555670
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/basic_ios.pass.cpp
@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator>>(basic_ios<charT,traits>&
+//                                         (*pf)(basic_ios<charT,traits>&));
+
+#include <istream>
+#include <cassert>
+
+int f_called = 0;
+
+template <class CharT>
+std::basic_ios<CharT>&
+f(std::basic_ios<CharT>& is)
+{
+    ++f_called;
+    return is;
+}
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        is >> f;
+        assert(f_called == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/chart.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/chart.pass.cpp
new file mode 100644
index 0000000000000..b5068220cffd5
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/chart.pass.cpp
@@ -0,0 +1,87 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class charT, class traits>
+//   basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&& in, charT& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        char c = 'z';
+        is >> c;
+        assert( is.eof());
+        assert( is.fail());
+        assert(c == 'z');
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        char c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+    }
+    {
+        testbuf<wchar_t> sb(L"   abc");
+        std::wistream is(&sb);
+        wchar_t c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'c');
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/ios_base.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/ios_base.pass.cpp
new file mode 100644
index 0000000000000..d4cb2bb13b2f4
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/ios_base.pass.cpp
@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator>>(ios_base& (*pf)(ios_base&));
+
+#include <istream>
+#include <cassert>
+
+int f_called = 0;
+
+std::ios_base&
+f(std::ios_base& is)
+{
+    ++f_called;
+    return is;
+}
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        is >> f;
+        assert(f_called == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/istream.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/istream.pass.cpp
new file mode 100644
index 0000000000000..4c3aef491ea65
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/istream.pass.cpp
@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&
+//                                         (*pf)(basic_istream<charT,traits>&));
+
+#include <istream>
+#include <cassert>
+
+int f_called = 0;
+
+template <class CharT>
+std::basic_istream<CharT>&
+f(std::basic_istream<CharT>& is)
+{
+    ++f_called;
+    return is;
+}
+
+int main()
+{
+    {
+        std::istream is((std::streambuf*)0);
+        is >> f;
+        assert(f_called == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char.pass.cpp
new file mode 100644
index 0000000000000..a02fe2c51a6d4
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char.pass.cpp
@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, signed char& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        signed char c = 'z';
+        is >> c;
+        assert( is.eof());
+        assert( is.fail());
+        assert(c == 'z');
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        signed char c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char_pointer.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char_pointer.pass.cpp
new file mode 100644
index 0000000000000..70f1c20108fca
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/signed_char_pointer.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, signed char* s);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        signed char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        is.width(4);
+        signed char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abc");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        signed char s[20];
+        is >> s;
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        signed char s[20];
+        is.width(1);
+        is >> s;
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string((char*)s) == "");
+        assert(is.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp
new file mode 100644
index 0000000000000..29ed68e9770c2
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_istream;
+
+// basic_istream<charT,traits>& operator<<(basic_streambuf<charT,traits>* sb);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+    testbuf(const std::basic_string<CharT>& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data() + str_.size()));
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("testing...");
+        std::istream is(&sb);
+        testbuf<char> sb2;
+        is >> &sb2;
+        assert(sb2.str() == "testing...");
+        assert(is.gcount() == 10);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char.pass.cpp
new file mode 100644
index 0000000000000..8f19cea7b882e
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char.pass.cpp
@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, unsigned char& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        unsigned char c = 'z';
+        is >> c;
+        assert( is.eof());
+        assert( is.fail());
+        assert(c == 'z');
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        unsigned char c;
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        is >> c;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char_pointer.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char_pointer.pass.cpp
new file mode 100644
index 0000000000000..07fa5a79e8f28
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/unsigned_char_pointer.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class traits>
+//   basic_istream<char,traits>& operator>>(basic_istream<char,traits>&& in, unsigned char* s);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        unsigned char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+    }
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        is.width(4);
+        unsigned char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abc");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        unsigned char s[20];
+        is >> s;
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string((char*)s) == "abcdefghijk");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        unsigned char s[20];
+        is.width(1);
+        is >> s;
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string((char*)s) == "");
+        assert(is.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/wchar_t_pointer.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/wchar_t_pointer.pass.cpp
new file mode 100644
index 0000000000000..a00c7a1dda381
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/wchar_t_pointer.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template<class charT, class traits>
+//   basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&& in, charT* s);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   abcdefghijk    ");
+        std::istream is(&sb);
+        char s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "abcdefghijk");
+    }
+    {
+        testbuf<wchar_t> sb(L"   abcdefghijk    ");
+        std::wistream is(&sb);
+        is.width(4);
+        wchar_t s[20];
+        is >> s;
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"abc");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L"   abcdefghijk");
+        std::wistream is(&sb);
+        wchar_t s[20];
+        is >> s;
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"abcdefghijk");
+        assert(is.width() == 0);
+    }
+    {
+        testbuf<char> sb("   abcdefghijk");
+        std::istream is(&sb);
+        char s[20];
+        is.width(1);
+        is >> s;
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string(s) == "");
+        assert(is.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.formatted/nothing_to_do.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.formatted/nothing_to_do.pass.cpp
new file mode 100644
index 0000000000000..b58f5c55b643a
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.formatted/nothing_to_do.pass.cpp
@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.manip/ws.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.manip/ws.pass.cpp
new file mode 100644
index 0000000000000..3c8159a6d7cb2
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.manip/ws.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits>
+//   basic_istream<charT,traits>&
+//   ws(basic_istream<charT,traits>& is);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("   123");
+        std::istream is(&sb);
+        ws(is);
+        assert(is.good());
+        assert(is.peek() == '1');
+    }
+    {
+        testbuf<wchar_t> sb(L"   123");
+        std::wistream is(&sb);
+        ws(is);
+        assert(is.good());
+        assert(is.peek() == L'1');
+    }
+    {
+        testbuf<char> sb("  ");
+        std::istream is(&sb);
+        ws(is);
+        assert(!is.fail());
+        assert(is.eof());
+        ws(is);
+        assert(is.eof());
+        assert(is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L"  ");
+        std::wistream is(&sb);
+        ws(is);
+        assert(!is.fail());
+        assert(is.eof());
+        ws(is);
+        assert(is.eof());
+        assert(is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.rvalue/rvalue.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.rvalue/rvalue.pass.cpp
new file mode 100644
index 0000000000000..5b7664e3f55cd
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.rvalue/rvalue.pass.cpp
@@ -0,0 +1,63 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits, class T>
+//   basic_istream<charT, traits>&
+//   operator>>(basic_istream<charT, traits>&& is, T& x);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb("   123");
+        int i = 0;
+        std::istream(&sb) >> i;
+        assert(i == 123);
+    }
+    {
+        testbuf<wchar_t> sb(L"   123");
+        int i = 0;
+        std::wistream(&sb) >> i;
+        assert(i == 123);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
new file mode 100644
index 0000000000000..41a721d50f13f
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
@@ -0,0 +1,100 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// int_type get();
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        char c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<char> sb(" abc");
+        std::istream is(&sb);
+        char c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L" abc");
+        std::wistream is(&sb);
+        wchar_t c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L' ');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'a');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'b');
+        assert(is.gcount() == 1);
+        c = is.get();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'c');
+        assert(is.gcount() == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
new file mode 100644
index 0000000000000..cf06e343bcc2a
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
@@ -0,0 +1,103 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(char_type& c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("          ");
+        std::istream is(&sb);
+        char c;
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<char> sb(" abc");
+        std::istream is(&sb);
+        char c;
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == ' ');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'a');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'b');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == 'c');
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L" abc");
+        std::wistream is(&sb);
+        wchar_t c;
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L' ');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'a');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'b');
+        assert(is.gcount() == 1);
+        is.get(c);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(c == L'c');
+        assert(is.gcount() == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_pointer_size.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_pointer_size.pass.cpp
new file mode 100644
index 0000000000000..1691a2d2de14f
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_pointer_size.pass.cpp
@@ -0,0 +1,99 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(char_type* s, streamsize n);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  \n    \n ");
+        std::istream is(&sb);
+        char s[5];
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5);
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string(s) == "");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == '\n');
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == '\n');
+        is.get(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  \n    \n ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5);
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::wstring(s) == L"");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == L'\n');
+        is.get(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == L'\n');
+        is.get(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_pointer_size_chart.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_pointer_size_chart.pass.cpp
new file mode 100644
index 0000000000000..c9389ec9dad55
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_pointer_size_chart.pass.cpp
@@ -0,0 +1,99 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(char_type* s, streamsize n, char_type delim);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  *    * ");
+        std::istream is(&sb);
+        char s[5];
+        is.get(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5, '*');
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::string(s) == "");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == '*');
+        is.get(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == '*');
+        is.get(s, 5, '*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  *    * ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.get(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 2);
+        is.get(s, 5, L'*');
+        assert(!is.eof());
+        assert( is.fail());
+        assert(std::wstring(s) == L"");
+        assert(is.gcount() == 0);
+        is.clear();
+        assert(is.get() == L'*');
+        is.get(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 4);
+        assert(is.get() == L'*');
+        is.get(s, 5, L'*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf.pass.cpp
new file mode 100644
index 0000000000000..7a55f847d7349
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(basic_streambuf<char_type,traits>& sb);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+    testbuf(const std::basic_string<CharT>& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data() + str_.size()));
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("testing\n...");
+        std::istream is(&sb);
+        testbuf<char> sb2;
+        is.get(sb2);
+        assert(sb2.str() == "testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == '\n');
+        is.get(sb2);
+        assert(sb2.str() == "testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+    {
+        testbuf<wchar_t> sb(L"testing\n...");
+        std::wistream is(&sb);
+        testbuf<wchar_t> sb2;
+        is.get(sb2);
+        assert(sb2.str() == L"testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == L'\n');
+        is.get(sb2);
+        assert(sb2.str() == L"testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf_chart.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf_chart.pass.cpp
new file mode 100644
index 0000000000000..cbc007587d5e4
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf_chart.pass.cpp
@@ -0,0 +1,89 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(basic_streambuf<char_type,traits>& sb,
+//                                  char_type delim);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+    testbuf(const std::basic_string<CharT>& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data() + str_.size()));
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("testing*...");
+        std::istream is(&sb);
+        testbuf<char> sb2;
+        is.get(sb2, '*');
+        assert(sb2.str() == "testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == '*');
+        is.get(sb2, '*');
+        assert(sb2.str() == "testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+    {
+        testbuf<wchar_t> sb(L"testing*...");
+        std::wistream is(&sb);
+        testbuf<wchar_t> sb2;
+        is.get(sb2, L'*');
+        assert(sb2.str() == L"testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == L'*');
+        is.get(sb2, L'*');
+        assert(sb2.str() == L"testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/getline_pointer_size.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/getline_pointer_size.pass.cpp
new file mode 100644
index 0000000000000..465824a659f28
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/getline_pointer_size.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& getline(char_type* s, streamsize n);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  \n    \n ");
+        std::istream is(&sb);
+        char s[5];
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  \n    \n ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/getline_pointer_size_chart.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/getline_pointer_size_chart.pass.cpp
new file mode 100644
index 0000000000000..7362959966a6d
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/getline_pointer_size_chart.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& getline(char_type* s, streamsize n, char_type delim);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("  *    * ");
+        std::istream is(&sb);
+        char s[5];
+        is.getline(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5, '*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == "    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5, '*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::string(s) == " ");
+        assert(is.gcount() == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L"  *    * ");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.getline(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"  ");
+        assert(is.gcount() == 3);
+        is.getline(s, 5, L'*');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L"    ");
+        assert(is.gcount() == 5);
+        is.getline(s, 5, L'*');
+        assert( is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s) == L" ");
+        assert(is.gcount() == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore.pass.cpp
new file mode 100644
index 0000000000000..9510961a4c516
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore.pass.cpp
@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>&
+//    ignore(streamsize n = 1, int_type delim = traits::eof());
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 1\n2345\n6");
+        std::istream is(&sb);
+        is.ignore();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        is.ignore(5, '\n');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 2);
+        is.ignore(15);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 6);
+    }
+    {
+        testbuf<wchar_t> sb(L" 1\n2345\n6");
+        std::wistream is(&sb);
+        is.ignore();
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        is.ignore(5, '\n');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 2);
+        is.ignore(15);
+        assert( is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 6);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
new file mode 100644
index 0000000000000..ccc3545483e71
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>&
+//    ignore(streamsize n = 1, int_type delim = traits::eof());
+
+// http://llvm.org/bugs/show_bug.cgi?id=16427
+
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    int bad=-1;
+    std::ostringstream os;
+    os << "aaaabbbb" << static_cast<char>(bad) 
+       << "ccccdddd" << std::endl;
+    std::string s=os.str();
+    
+    std::istringstream is(s);
+    const unsigned int ignoreLen=10;
+    size_t a=is.tellg();
+    is.ignore(ignoreLen);
+    size_t b=is.tellg();
+    assert((b-a)==ignoreLen);
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/peek.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/peek.pass.cpp
new file mode 100644
index 0000000000000..4264849a09172
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/peek.pass.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// int_type peek();
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 1\n2345\n6");
+        std::istream is(&sb);
+        assert(is.peek() == ' ');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+        is.get();
+        assert(is.peek() == '1');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 1\n2345\n6");
+        std::wistream is(&sb);
+        assert(is.peek() == L' ');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+        is.get();
+        assert(is.peek() == L'1');
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/putback.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/putback.pass.cpp
new file mode 100644
index 0000000000000..3564d710bc238
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/putback.pass.cpp
@@ -0,0 +1,89 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& putback(char_type c);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.putback('a');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+        is.clear();
+        is.putback('2');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback('1');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(' ');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(' ');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.putback(L'a');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+        is.clear();
+        is.putback(L'2');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(L'1');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(L' ');
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.putback(L' ');
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
new file mode 100644
index 0000000000000..20e70cfbd5cdf
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
@@ -0,0 +1,81 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& read(char_type* s, streamsize n);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        char s[5];
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == " 1234");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == "56789");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert( is.eof());
+        assert( is.fail());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L" 1234");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L"56789");
+        assert(is.gcount() == 5);
+        is.read(s, 5);
+        assert( is.eof());
+        assert( is.fail());
+        assert(is.gcount() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp
new file mode 100644
index 0000000000000..01eecb5d824ba
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/readsome.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// streamsize readsome(char_type* s, streamsize n);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 1234567890");
+        std::istream is(&sb);
+        char s[5];
+        assert(is.readsome(s, 5) == 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == " 1234");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::string(s, 5) == "56789");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        assert(std::string(s, 1) == "0");
+        assert(is.readsome(s, 5) == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 1234567890");
+        std::wistream is(&sb);
+        wchar_t s[5];
+        assert(is.readsome(s, 5) == 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L" 1234");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(std::wstring(s, 5) == L"56789");
+        assert(is.gcount() == 5);
+        is.readsome(s, 5);
+        assert(!is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 1);
+        assert(std::wstring(s, 1) == L"0");
+        assert(is.readsome(s, 5) == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg.pass.cpp
new file mode 100644
index 0000000000000..e6f4e1e4c19ec
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg.pass.cpp
@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& seekg(pos_type pos);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+protected:
+    typename base::pos_type seekpos(typename base::pos_type sp,
+                                    std::ios_base::openmode which)
+    {
+        assert(which == std::ios_base::in);
+        return sp;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.seekg(5);
+        assert(is.good());
+        is.seekg(-1);
+        assert(is.fail());
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.seekg(5);
+        assert(is.good());
+        is.seekg(-1);
+        assert(is.fail());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp
new file mode 100644
index 0000000000000..73f3da1c6bd1f
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp
@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& seekg(off_type off, ios_base::seekdir dir);
+
+#include <istream>
+#include <cassert>
+
+int seekoff_called = 0;
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+protected:
+    typename base::pos_type seekoff(typename base::off_type off,
+                                    std::ios_base::seekdir way,
+                                    std::ios_base::openmode which)
+    {
+        assert(which == std::ios_base::in);
+        ++seekoff_called;
+        return off;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.seekg(5, std::ios_base::cur);
+        assert(is.good());
+        assert(seekoff_called == 1);
+        is.seekg(-1, std::ios_base::beg);
+        assert(is.fail());
+        assert(seekoff_called == 2);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.seekg(5, std::ios_base::cur);
+        assert(is.good());
+        assert(seekoff_called == 3);
+        is.seekg(-1, std::ios_base::beg);
+        assert(is.fail());
+        assert(seekoff_called == 4);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/sync.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/sync.pass.cpp
new file mode 100644
index 0000000000000..61db67cd5a5d1
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/sync.pass.cpp
@@ -0,0 +1,64 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// int sync();
+
+#include <istream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+
+protected:
+    int sync()
+    {
+        ++sync_called;
+        return 5;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        assert(is.sync() == 0);
+        assert(sync_called == 1);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        assert(is.sync() == 0);
+        assert(sync_called == 2);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/tellg.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/tellg.pass.cpp
new file mode 100644
index 0000000000000..799b46b97dea8
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/tellg.pass.cpp
@@ -0,0 +1,63 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// pos_type tellg();
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+protected:
+    typename base::pos_type seekoff(typename base::off_type off,
+                                    std::ios_base::seekdir way,
+                                    std::ios_base::openmode which)
+    {
+        assert(off == 0);
+        assert(way == std::ios_base::cur);
+        assert(which == std::ios_base::in);
+        return 5;
+    }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        assert(is.tellg() == 5);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        assert(is.tellg() == 5);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/unget.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/unget.pass.cpp
new file mode 100644
index 0000000000000..adf0a6117c1de
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/unget.pass.cpp
@@ -0,0 +1,81 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& unget();
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb(L" 123456789");
+        std::wistream is(&sb);
+        is.get();
+        is.get();
+        is.get();
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.good());
+        assert(is.gcount() == 0);
+        is.unget();
+        assert(is.bad());
+        assert(is.gcount() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream/istream.assign/member_swap.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream/istream.assign/member_swap.pass.cpp
new file mode 100644
index 0000000000000..a0734b8016b57
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream/istream.assign/member_swap.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_istream;
+
+// void swap(basic_istream& rhs);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_istream
+    : public std::basic_istream<CharT>
+{
+    typedef std::basic_istream<CharT> base;
+    test_istream(testbuf<CharT>* sb) : base(sb) {}
+
+    void swap(test_istream& s) {base::swap(s);}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_istream<char> is1(&sb1);
+        test_istream<char> is2(&sb2);
+        is1.swap(is2);
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_istream<wchar_t> is1(&sb1);
+        test_istream<wchar_t> is2(&sb2);
+        is1.swap(is2);
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp
new file mode 100644
index 0000000000000..2876d76c19848
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream/istream.assign/move_assign.pass.cpp
@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_istream;
+
+// basic_istream& operator=(basic_istream&& rhs);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_istream
+    : public std::basic_istream<CharT>
+{
+    typedef std::basic_istream<CharT> base;
+    test_istream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_istream& operator=(test_istream&& s)
+        {base::operator=(std::move(s)); return *this;}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_istream<char> is1(&sb1);
+        test_istream<char> is2(&sb2);
+        is2 = (std::move(is1));
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_istream<wchar_t> is1(&sb1);
+        test_istream<wchar_t> is2(&sb2);
+        is2 = (std::move(is1));
+        assert(is1.rdbuf() == &sb1);
+        assert(is1.tie() == 0);
+        assert(is1.fill() == ' ');
+        assert(is1.rdstate() == is1.goodbit);
+        assert(is1.exceptions() == is1.goodbit);
+        assert(is1.flags() == (is1.skipws | is1.dec));
+        assert(is1.precision() == 6);
+        assert(is1.getloc().name() == "C");
+        assert(is2.rdbuf() == &sb2);
+        assert(is2.tie() == 0);
+        assert(is2.fill() == ' ');
+        assert(is2.rdstate() == is2.goodbit);
+        assert(is2.exceptions() == is2.goodbit);
+        assert(is2.flags() == (is2.skipws | is2.dec));
+        assert(is2.precision() == 6);
+        assert(is2.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp
new file mode 100644
index 0000000000000..04cb9d3fb6ba9
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream/istream.cons/move.pass.cpp
@@ -0,0 +1,78 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_istream;
+
+// basic_istream(basic_istream&& rhs);
+
+#include <istream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_istream
+    : public std::basic_istream<CharT>
+{
+    typedef std::basic_istream<CharT> base;
+    test_istream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_istream(test_istream&& s)
+        : base(std::move(s)) {}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb;
+        test_istream<char> is1(&sb);
+        test_istream<char> is(std::move(is1));
+        assert(is1.rdbuf() == &sb);
+        assert(is1.gcount() == 0);
+        assert(is.gcount() == 0);
+        assert(is.rdbuf() == 0);
+        assert(is.tie() == 0);
+        assert(is.fill() == ' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb;
+        test_istream<wchar_t> is1(&sb);
+        test_istream<wchar_t> is(std::move(is1));
+        assert(is1.gcount() == 0);
+        assert(is.gcount() == 0);
+        assert(is1.rdbuf() == &sb);
+        assert(is.rdbuf() == 0);
+        assert(is.tie() == 0);
+        assert(is.fill() == L' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream/istream.cons/streambuf.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream/istream.cons/streambuf.pass.cpp
new file mode 100644
index 0000000000000..74ed57dae6bd3
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream/istream.cons/streambuf.pass.cpp
@@ -0,0 +1,55 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_istream;
+
+// explicit basic_istream(basic_streambuf<charT,traits>* sb);
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::basic_istream<char> is(&sb);
+        assert(is.rdbuf() == &sb);
+        assert(is.tie() == 0);
+        assert(is.fill() == ' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+        assert(is.gcount() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::basic_istream<wchar_t> is(&sb);
+        assert(is.rdbuf() == &sb);
+        assert(is.tie() == 0);
+        assert(is.fill() == L' ');
+        assert(is.rdstate() == is.goodbit);
+        assert(is.exceptions() == is.goodbit);
+        assert(is.flags() == (is.skipws | is.dec));
+        assert(is.precision() == 6);
+        assert(is.getloc().name() == "C");
+        assert(is.gcount() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream/istream_sentry/ctor.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream/istream_sentry/ctor.pass.cpp
new file mode 100644
index 0000000000000..910b36931da32
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream/istream_sentry/ctor.pass.cpp
@@ -0,0 +1,128 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_istream::sentry;
+
+// explicit sentry(basic_istream<charT,traits>& is, bool noskipws = false);
+
+#include <istream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_string<CharT> string_type;
+    typedef std::basic_streambuf<CharT> base;
+private:
+    string_type str_;
+public:
+
+    testbuf() {}
+    testbuf(const string_type& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()) + str_.size());
+    }
+
+    CharT* eback() const {return base::eback();}
+    CharT* gptr() const {return base::gptr();}
+    CharT* egptr() const {return base::egptr();}
+protected:
+
+    int virtual sync()
+    {
+        ++sync_called;
+        return 1;
+    }
+};
+
+int main()
+{
+    {
+        std::istream is((testbuf<char>*)0);
+        std::istream::sentry sen(is, true);
+        assert(!(bool)sen);
+        assert(!is.good());
+        assert(is.gcount() == 0);
+        assert(sync_called == 0);
+    }
+    {
+        std::wistream is((testbuf<wchar_t>*)0);
+        std::wistream::sentry sen(is, true);
+        assert(!(bool)sen);
+        assert(!is.good());
+        assert(is.gcount() == 0);
+        assert(sync_called == 0);
+    }
+    {
+        testbuf<char> sb("   123");
+        std::istream is(&sb);
+        std::istream::sentry sen(is, true);
+        assert((bool)sen);
+        assert(is.good());
+        assert(is.gcount() == 0);
+        assert(sync_called == 0);
+        assert(sb.gptr() == sb.eback());
+    }
+    {
+        testbuf<wchar_t> sb(L"   123");
+        std::wistream is(&sb);
+        std::wistream::sentry sen(is, true);
+        assert((bool)sen);
+        assert(is.good());
+        assert(is.gcount() == 0);
+        assert(sync_called == 0);
+        assert(sb.gptr() == sb.eback());
+    }
+    {
+        testbuf<char> sb("   123");
+        std::istream is(&sb);
+        std::istream::sentry sen(is);
+        assert((bool)sen);
+        assert(is.good());
+        assert(sync_called == 0);
+        assert(sb.gptr() == sb.eback() + 3);
+    }
+    {
+        testbuf<wchar_t> sb(L"   123");
+        std::wistream is(&sb);
+        std::wistream::sentry sen(is);
+        assert((bool)sen);
+        assert(is.good());
+        assert(sync_called == 0);
+        assert(sb.gptr() == sb.eback() + 3);
+    }
+    {
+        testbuf<char> sb("      ");
+        std::istream is(&sb);
+        std::istream::sentry sen(is);
+        assert(!(bool)sen);
+        assert(is.fail());
+        assert(is.eof());
+        assert(sync_called == 0);
+        assert(sb.gptr() == sb.eback() + 6);
+    }
+    {
+        testbuf<char> sb("      ");
+        std::istream is(&sb);
+        std::istream::sentry sen(is, true);
+        assert((bool)sen);
+        assert(is.good());
+        assert(sync_called == 0);
+        assert(sb.gptr() == sb.eback());
+    }
+}
diff --git a/test/std/input.output/iostream.format/input.streams/istream/types.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream/types.pass.cpp
new file mode 100644
index 0000000000000..36cc2029db246
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/istream/types.pass.cpp
@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_istream
+//     : virtual public basic_ios<charT,traits>
+// {
+// public:
+//     // types (inherited from basic_ios (27.5.4)):
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <istream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_ios<char>, std::basic_istream<char> >::value), "");
+    static_assert((std::is_same<std::basic_istream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_istream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_istream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_istream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_istream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}
diff --git a/test/std/input.output/iostream.format/input.streams/version.pass.cpp b/test/std/input.output/iostream.format/input.streams/version.pass.cpp
new file mode 100644
index 0000000000000..b03ef2aaa04e0
--- /dev/null
+++ b/test/std/input.output/iostream.format/input.streams/version.pass.cpp
@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+#include <istream>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/nothing_to_do.pass.cpp b/test/std/input.output/iostream.format/nothing_to_do.pass.cpp
new file mode 100644
index 0000000000000..b58f5c55b643a
--- /dev/null
+++ b/test/std/input.output/iostream.format/nothing_to_do.pass.cpp
@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.assign/member_swap.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.assign/member_swap.pass.cpp
new file mode 100644
index 0000000000000..8214d6c05b5bf
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.assign/member_swap.pass.cpp
@@ -0,0 +1,85 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream;
+
+// void swap(basic_ostream& rhs);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_ostream
+    : public std::basic_ostream<CharT>
+{
+    typedef std::basic_ostream<CharT> base;
+    test_ostream(testbuf<CharT>* sb) : base(sb) {}
+
+    void swap(test_ostream& s) {base::swap(s);}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_ostream<char> os1(&sb1);
+        test_ostream<char> os2(&sb2);
+        os1.swap(os2);
+        assert(os1.rdbuf() == &sb1);
+        assert(os1.tie() == 0);
+        assert(os1.fill() == ' ');
+        assert(os1.rdstate() == os1.goodbit);
+        assert(os1.exceptions() == os1.goodbit);
+        assert(os1.flags() == (os1.skipws | os1.dec));
+        assert(os1.precision() == 6);
+        assert(os1.getloc().name() == "C");
+        assert(os2.rdbuf() == &sb2);
+        assert(os2.tie() == 0);
+        assert(os2.fill() == ' ');
+        assert(os2.rdstate() == os2.goodbit);
+        assert(os2.exceptions() == os2.goodbit);
+        assert(os2.flags() == (os2.skipws | os2.dec));
+        assert(os2.precision() == 6);
+        assert(os2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_ostream<wchar_t> os1(&sb1);
+        test_ostream<wchar_t> os2(&sb2);
+        os1.swap(os2);
+        assert(os1.rdbuf() == &sb1);
+        assert(os1.tie() == 0);
+        assert(os1.fill() == ' ');
+        assert(os1.rdstate() == os1.goodbit);
+        assert(os1.exceptions() == os1.goodbit);
+        assert(os1.flags() == (os1.skipws | os1.dec));
+        assert(os1.precision() == 6);
+        assert(os1.getloc().name() == "C");
+        assert(os2.rdbuf() == &sb2);
+        assert(os2.tie() == 0);
+        assert(os2.fill() == ' ');
+        assert(os2.rdstate() == os2.goodbit);
+        assert(os2.exceptions() == os2.goodbit);
+        assert(os2.flags() == (os2.skipws | os2.dec));
+        assert(os2.precision() == 6);
+        assert(os2.getloc().name() == "C");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp
new file mode 100644
index 0000000000000..40fe0795de534
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.assign/move_assign.pass.cpp
@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream;
+
+// basic_ostream& operator=(basic_ostream&& rhs);
+
+#include <ostream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_ostream
+    : public std::basic_ostream<CharT>
+{
+    typedef std::basic_ostream<CharT> base;
+    test_ostream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_ostream& operator=(test_ostream&& s)
+        {base::operator=(std::move(s)); return *this;}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb1;
+        testbuf<char> sb2;
+        test_ostream<char> os1(&sb1);
+        test_ostream<char> os2(&sb2);
+        os2 = (std::move(os1));
+        assert(os1.rdbuf() == &sb1);
+        assert(os1.tie() == 0);
+        assert(os1.fill() == ' ');
+        assert(os1.rdstate() == os1.goodbit);
+        assert(os1.exceptions() == os1.goodbit);
+        assert(os1.flags() == (os1.skipws | os1.dec));
+        assert(os1.precision() == 6);
+        assert(os1.getloc().name() == "C");
+        assert(os2.rdbuf() == &sb2);
+        assert(os2.tie() == 0);
+        assert(os2.fill() == ' ');
+        assert(os2.rdstate() == os2.goodbit);
+        assert(os2.exceptions() == os2.goodbit);
+        assert(os2.flags() == (os2.skipws | os2.dec));
+        assert(os2.precision() == 6);
+        assert(os2.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb1;
+        testbuf<wchar_t> sb2;
+        test_ostream<wchar_t> os1(&sb1);
+        test_ostream<wchar_t> os2(&sb2);
+        os2 = (std::move(os1));
+        assert(os1.rdbuf() == &sb1);
+        assert(os1.tie() == 0);
+        assert(os1.fill() == ' ');
+        assert(os1.rdstate() == os1.goodbit);
+        assert(os1.exceptions() == os1.goodbit);
+        assert(os1.flags() == (os1.skipws | os1.dec));
+        assert(os1.precision() == 6);
+        assert(os1.getloc().name() == "C");
+        assert(os2.rdbuf() == &sb2);
+        assert(os2.tie() == 0);
+        assert(os2.fill() == ' ');
+        assert(os2.rdstate() == os2.goodbit);
+        assert(os2.exceptions() == os2.goodbit);
+        assert(os2.flags() == (os2.skipws | os2.dec));
+        assert(os2.precision() == 6);
+        assert(os2.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp
new file mode 100644
index 0000000000000..b3045b3232e6e
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.cons/move.pass.cpp
@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream;
+
+// basic_ostream(basic_ostream&& rhs);
+
+#include <ostream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+template <class CharT>
+struct test_ostream
+    : public std::basic_ostream<CharT>
+{
+    typedef std::basic_ostream<CharT> base;
+    test_ostream(testbuf<CharT>* sb) : base(sb) {}
+
+    test_ostream(test_ostream&& s)
+        : base(std::move(s)) {}
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb;
+        test_ostream<char> os1(&sb);
+        test_ostream<char> os(std::move(os1));
+        assert(os1.rdbuf() == &sb);
+        assert(os.rdbuf() == 0);
+        assert(os.tie() == 0);
+        assert(os.fill() == ' ');
+        assert(os.rdstate() == os.goodbit);
+        assert(os.exceptions() == os.goodbit);
+        assert(os.flags() == (os.skipws | os.dec));
+        assert(os.precision() == 6);
+        assert(os.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb;
+        test_ostream<wchar_t> os1(&sb);
+        test_ostream<wchar_t> os(std::move(os1));
+        assert(os1.rdbuf() == &sb);
+        assert(os.rdbuf() == 0);
+        assert(os.tie() == 0);
+        assert(os.fill() == L' ');
+        assert(os.rdstate() == os.goodbit);
+        assert(os.exceptions() == os.goodbit);
+        assert(os.flags() == (os.skipws | os.dec));
+        assert(os.precision() == 6);
+        assert(os.getloc().name() == "C");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.cons/streambuf.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.cons/streambuf.pass.cpp
new file mode 100644
index 0000000000000..7929e1845ec69
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.cons/streambuf.pass.cpp
@@ -0,0 +1,53 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream;
+
+// explicit basic_ostream(basic_streambuf<charT,traits>* sb);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::basic_ostream<char> os(&sb);
+        assert(os.rdbuf() == &sb);
+        assert(os.tie() == 0);
+        assert(os.fill() == ' ');
+        assert(os.rdstate() == os.goodbit);
+        assert(os.exceptions() == os.goodbit);
+        assert(os.flags() == (os.skipws | os.dec));
+        assert(os.precision() == 6);
+        assert(os.getloc().name() == "C");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::basic_ostream<wchar_t> os(&sb);
+        assert(os.rdbuf() == &sb);
+        assert(os.tie() == 0);
+        assert(os.fill() == L' ');
+        assert(os.rdstate() == os.goodbit);
+        assert(os.exceptions() == os.goodbit);
+        assert(os.flags() == (os.skipws | os.dec));
+        assert(os.precision() == 6);
+        assert(os.getloc().name() == "C");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/nothing_to_do.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/nothing_to_do.pass.cpp
new file mode 100644
index 0000000000000..b58f5c55b643a
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/nothing_to_do.pass.cpp
@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.formatted.reqmts/tested_elsewhere.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.formatted.reqmts/tested_elsewhere.pass.cpp
new file mode 100644
index 0000000000000..b58f5c55b643a
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.formatted.reqmts/tested_elsewhere.pass.cpp
@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/bool.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/bool.pass.cpp
new file mode 100644
index 0000000000000..13035b74436e4
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/bool.pass.cpp
@@ -0,0 +1,91 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(bool val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        bool b = false;
+        os << b;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        bool b = false;
+        os << b;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        bool b = true;
+        os << b;
+        assert(sb.str() == "1");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        boolalpha(os);
+        bool b = true;
+        os << b;
+        assert(sb.str() == "true");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        boolalpha(os);
+        bool b = false;
+        os << b;
+        assert(sb.str() == "false");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/double.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/double.pass.cpp
new file mode 100644
index 0000000000000..38ee37ff18923
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/double.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(double val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        double n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        double n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        double n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        double n = -10.5;
+        os << n;
+        assert(sb.str() == "-10.5");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/float.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/float.pass.cpp
new file mode 100644
index 0000000000000..1da0ac685fcbd
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/float.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(float val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        float n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        float n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        float n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        float n = -10.5;
+        os << n;
+        assert(sb.str() == "-10.5");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/int.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/int.pass.cpp
new file mode 100644
index 0000000000000..efcb08a3da10a
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/int.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(int val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        int n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        int n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        int n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        int n = -10;
+        os << n;
+        assert(sb.str() == "fffffff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long.pass.cpp
new file mode 100644
index 0000000000000..6d617a453ebcd
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(long val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        long n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        long n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        long n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        long n = 0xfffffff6;
+        os << n;
+        assert(sb.str() == "fffffff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long_double.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long_double.pass.cpp
new file mode 100644
index 0000000000000..20b20b2231a2b
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long_double.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(long double val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        long double n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        long double n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        long double n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        long double n = -10.5;
+        os << n;
+        assert(sb.str() == "-10.5");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long_long.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long_long.pass.cpp
new file mode 100644
index 0000000000000..dc77eb72192d1
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/long_long.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(long long val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        long long n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        long long n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        long long n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        long long n = -10;
+        os << n;
+        assert(sb.str() == "fffffffffffffff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass
new file mode 100644
index 0000000000000..27b8cfd85c960
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/minus1.pass
@@ -0,0 +1,84 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<( int16_t val);
+// operator<<(uint16_t val);
+// operator<<( int32_t val);
+// operator<<(uint32_t val);
+// operator<<( int64_t val);
+// operator<<(uint64_t val);
+
+//  Testing to make sure that the max length values are correctly inserted
+
+#include <iostream>
+#include <sstream>
+#include <cassert>
+
+template <typename T>
+void test_octal(const char *expected)
+{
+    std::stringstream ss;
+    ss << std::oct << static_cast<T>(-1);
+    
+    assert(ss.str() == expected);
+}
+
+template <typename T>
+void test_dec(const char *expected)
+{
+    std::stringstream ss;
+    ss << std::dec << static_cast<T>(-1);
+    
+//  std::cout << ss.str() << " " << expected << std::endl;
+    assert(ss.str() == expected);
+}
+
+template <typename T>
+void test_hex(const char *expected)
+{
+    std::stringstream ss;
+    ss << std::hex << static_cast<T>(-1);
+    
+    std::string str = ss.str();
+    for (size_t i = 0; i < str.size(); ++i )
+        str[i] = std::toupper(str[i]);
+    
+    assert(str == expected);
+}
+
+int main(int argc, char* argv[])
+{
+    test_octal<uint16_t>(                "177777");
+    test_octal< int16_t>(                "177777");
+    test_octal<uint32_t>(           "37777777777");
+    test_octal< int32_t>(           "37777777777");
+    test_octal<uint64_t>("1777777777777777777777");
+    test_octal< int64_t>("1777777777777777777777");
+
+    test_dec<uint16_t>(               "65535");
+    test_dec< int16_t>(                  "-1");
+    test_dec<uint32_t>(          "4294967295");
+    test_dec< int32_t>(                  "-1");
+    test_dec<uint64_t>("18446744073709551615");
+    test_dec< int64_t>(                  "-1");
+
+    test_hex<uint16_t>(            "FFFF");
+    test_hex< int16_t>(            "FFFF");
+    test_hex<uint32_t>(        "FFFFFFFF");
+    test_hex< int32_t>(        "FFFFFFFF");
+    test_hex<uint64_t>("FFFFFFFFFFFFFFFF");
+    test_hex< int64_t>("FFFFFFFFFFFFFFFF");
+
+    return 0;
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/pointer.pass.cpp
new file mode 100644
index 0000000000000..b74d99a34ec97
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/pointer.pass.cpp
@@ -0,0 +1,91 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(const void* val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        const void* n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb1;
+        std::ostream os1(&sb1);
+        int n1;
+        os1 << &n1;
+        assert(os1.good());
+        std::string s1(sb1.str());
+
+        testbuf<char> sb2;
+        std::ostream os2(&sb2);
+        int n2;
+        os2 << &n2;
+        assert(os2.good());
+        std::string s2(sb2.str());
+
+        // %p is implementation defined. Instead of validating the
+        // output, at least ensure that it does not generate an empty
+        // string. Also make sure that given two distinct addresses, the
+        // output of %p is different.
+        assert(!s1.empty());
+        assert(!s2.empty());
+        assert(s1 != s2);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        const void* n = &sb;
+        os << n;
+        assert(os.good());
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/short.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/short.pass.cpp
new file mode 100644
index 0000000000000..ebd349bcbb79c
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/short.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(short val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        short n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        short n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        short n = -10;
+        os << n;
+        assert(sb.str() == "-10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        short n = -10;
+        os << n;
+        assert(sb.str() == "fff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_int.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_int.pass.cpp
new file mode 100644
index 0000000000000..ac60fa9c19792
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_int.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(unsigned int val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        unsigned int n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned int n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned int n = 10;
+        os << n;
+        assert(sb.str() == "10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        unsigned int n = 0xFFF6;
+        os << n;
+        assert(sb.str() == "fff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_long.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_long.pass.cpp
new file mode 100644
index 0000000000000..b5a38017dce4b
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_long.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(unsigned long val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        unsigned long n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned long n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned long n = 10;
+        os << n;
+        assert(sb.str() == "10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        unsigned long n = 0xfffffff6;
+        os << n;
+        assert(sb.str() == "fffffff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_long_long.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_long_long.pass.cpp
new file mode 100644
index 0000000000000..25dc4d8349753
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_long_long.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(unsigned long long val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        unsigned long long n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned long long n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned long long n = 10;
+        os << n;
+        assert(sb.str() == "10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        unsigned long long n = -10;
+        os << n;
+        assert(sb.str() == "fffffffffffffff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_short.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_short.pass.cpp
new file mode 100644
index 0000000000000..7c28a8ee79c4a
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/unsigned_short.pass.cpp
@@ -0,0 +1,83 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// operator<<(unsigned short val);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        unsigned short n = 0;
+        os << n;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned short n = 0;
+        os << n;
+        assert(sb.str() == "0");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned short n = 10;
+        os << n;
+        assert(sb.str() == "10");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        hex(os);
+        unsigned short n = 0xFFF6;
+        os << n;
+        assert(sb.str() == "fff6");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/CharT.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/CharT.pass.cpp
new file mode 100644
index 0000000000000..f74e2a4abd9ef
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/CharT.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class charT, class traits>
+//   basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>& out, charT c);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::wostream os((std::wstreambuf*)0);
+        wchar_t c = L'a';
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        wchar_t c = L'a';
+        os << c;
+        assert(sb.str() == L"a");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        wchar_t c = L'a';
+        os << c;
+        assert(sb.str() == L"    a");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        left(os);
+        wchar_t c = L'a';
+        os << c;
+        assert(sb.str() == L"a    ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/CharT_pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/CharT_pointer.pass.cpp
new file mode 100644
index 0000000000000..2b78fa75aa305
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/CharT_pointer.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class charT, class traits>
+//   basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>& out, const charT* s);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::wostream os((std::wstreambuf*)0);
+        const wchar_t* c = L"123";
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        const wchar_t* c = L"123";
+        os << c;
+        assert(sb.str() == L"123");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        const wchar_t* c = L"123";
+        os << c;
+        assert(sb.str() == L"  123");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        left(os);
+        const wchar_t* c = L"123";
+        os << c;
+        assert(sb.str() == L"123  ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char.pass.cpp
new file mode 100644
index 0000000000000..253b524308c0f
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class char, class traits>
+//   basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>& out, char c);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        char c = 'a';
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        char c = 'a';
+        os << c;
+        assert(sb.str() == "a");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        char c = 'a';
+        os << c;
+        assert(sb.str() == "    a");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        left(os);
+        char c = 'a';
+        os << c;
+        assert(sb.str() == "a    ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_pointer.pass.cpp
new file mode 100644
index 0000000000000..c544554ae0e20
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_pointer.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class traits>
+//   basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>& out, const char* s);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        const char* c = "123";
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        const char* c = "123";
+        os << c;
+        assert(sb.str() == "123");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        const char* c = "123";
+        os << c;
+        assert(sb.str() == "  123");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        left(os);
+        const char* c = "123";
+        os << c;
+        assert(sb.str() == "123  ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_to_wide.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_to_wide.pass.cpp
new file mode 100644
index 0000000000000..6449a13a6426f
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_to_wide.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class charT, class traits>
+//   basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>& out, char c);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::wostream os((std::wstreambuf*)0);
+        char c = 'a';
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        char c = 'a';
+        os << c;
+        assert(sb.str() == L"a");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        char c = 'a';
+        os << c;
+        assert(sb.str() == L"    a");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        left(os);
+        char c = 'a';
+        os << c;
+        assert(sb.str() == L"a    ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_to_wide_pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_to_wide_pointer.pass.cpp
new file mode 100644
index 0000000000000..e679a5c48ba4d
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/char_to_wide_pointer.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class charT, class traits>
+//   basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>& out, const char* s);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::wostream os((std::wstreambuf*)0);
+        const char* c = "123";
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        const char* c = "123";
+        os << c;
+        assert(sb.str() == L"123");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        const char* c = "123";
+        os << c;
+        assert(sb.str() == L"  123");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os.width(5);
+        left(os);
+        const char* c = "123";
+        os << c;
+        assert(sb.str() == L"123  ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/signed_char.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/signed_char.pass.cpp
new file mode 100644
index 0000000000000..dc0ee4266c775
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/signed_char.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class char, class traits>
+//   basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>& out, signed char c);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        signed char c = 'a';
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        signed char c = 'a';
+        os << c;
+        assert(sb.str() == "a");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        signed char c = 'a';
+        os << c;
+        assert(sb.str() == "    a");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        left(os);
+        signed char c = 'a';
+        os << c;
+        assert(sb.str() == "a    ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/signed_char_pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/signed_char_pointer.pass.cpp
new file mode 100644
index 0000000000000..e465b94b6b93c
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/signed_char_pointer.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class traits>
+//   basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>& out, const signed char* s);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        const signed char* c = (const signed char*)"123";
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        const signed char* c = (const signed char*)"123";
+        os << c;
+        assert(sb.str() == "123");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        const signed char* c = (const signed char*)"123";
+        os << c;
+        assert(sb.str() == "  123");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        left(os);
+        const signed char* c = (const signed char*)"123";
+        os << c;
+        assert(sb.str() == "123  ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/unsigned_char.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/unsigned_char.pass.cpp
new file mode 100644
index 0000000000000..d818c5f358f2e
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/unsigned_char.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class char, class traits>
+//   basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>& out, unsigned char c);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        unsigned char c = 'a';
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        unsigned char c = 'a';
+        os << c;
+        assert(sb.str() == "a");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        unsigned char c = 'a';
+        os << c;
+        assert(sb.str() == "    a");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        left(os);
+        unsigned char c = 'a';
+        os << c;
+        assert(sb.str() == "a    ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/unsigned_char_pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/unsigned_char_pointer.pass.cpp
new file mode 100644
index 0000000000000..3257f4a776ca8
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.character/unsigned_char_pointer.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template<class traits>
+//   basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>& out, const unsigned char* s);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        const unsigned char* c = (const unsigned char*)"123";
+        os << c;
+        assert(os.bad());
+        assert(os.fail());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        const unsigned char* c = (const unsigned char*)"123";
+        os << c;
+        assert(sb.str() == "123");
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        const unsigned char* c = (const unsigned char*)"123";
+        os << c;
+        assert(sb.str() == "  123");
+        assert(os.width() == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.width(5);
+        left(os);
+        const unsigned char* c = (const unsigned char*)"123";
+        os << c;
+        assert(sb.str() == "123  ");
+        assert(os.width() == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/basic_ios.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/basic_ios.pass.cpp
new file mode 100644
index 0000000000000..e26466e13f6e7
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/basic_ios.pass.cpp
@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& operator<<(basic_ios<charT,traits>&
+//                                         (*pf)(basic_ios<charT,traits>&));
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+template <class CharT>
+std::basic_ios<CharT>&
+f(std::basic_ios<CharT>& os)
+{
+    std::uppercase(os);
+    return os;
+}
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(!(os.flags() & std::ios_base::uppercase));
+        os << f;
+        assert( (os.flags() & std::ios_base::uppercase));
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/ios_base.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/ios_base.pass.cpp
new file mode 100644
index 0000000000000..238a621082495
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/ios_base.pass.cpp
@@ -0,0 +1,61 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& operator<<(ios_base& (*pf)(ios_base&));
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(!(os.flags() & std::ios_base::uppercase));
+        os << std::uppercase;
+        assert( (os.flags() & std::ios_base::uppercase));
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/ostream.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/ostream.pass.cpp
new file mode 100644
index 0000000000000..3ed400a705caa
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/ostream.pass.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& operator<<
+//           (basic_ostream<charT,traits>& (*pf)(basic_ostream<charT,traits>&))
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+template <class CharT>
+std::basic_ostream<CharT>&
+f(std::basic_ostream<CharT>& os)
+{
+    os << "testing...";
+    return os;
+}
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os << f;
+        assert(sb.str() == "testing...");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp
new file mode 100644
index 0000000000000..1cb9413a7cc92
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters/streambuf.pass.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& operator<<(basic_streambuf<charT,traits>* sb);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+    testbuf(const std::basic_string<CharT>& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data() + str_.size()));
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        testbuf<char> sb2("testing...");
+        assert(sb.str() == "");
+        os << &sb2;
+        assert(sb.str() == "testing...");
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.manip/endl.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.manip/endl.pass.cpp
new file mode 100644
index 0000000000000..d503544a97f22
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.manip/endl.pass.cpp
@@ -0,0 +1,80 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template <class charT, class traits>
+//   basic_ostream<charT,traits>& endl(basic_ostream<charT,traits>& os);
+
+#include <ostream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+
+    virtual int
+        sync()
+        {
+            ++sync_called;
+            return 0;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        endl(os);
+        assert(sb.str() == "\n");
+        assert(sync_called == 1);
+        assert(os.good());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        endl(os);
+        assert(sb.str() == L"\n");
+        assert(sync_called == 2);
+        assert(os.good());
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.manip/ends.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.manip/ends.pass.cpp
new file mode 100644
index 0000000000000..975b660b4770b
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.manip/ends.pass.cpp
@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template <class charT, class traits>
+//   basic_ostream<charT,traits>& ends(basic_ostream<charT,traits>& os);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        ends(os);
+        assert(sb.str().size() == 1);
+        assert(sb.str().back() == 0);
+        assert(os.good());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        ends(os);
+        assert(sb.str().size() == 1);
+        assert(sb.str().back() == 0);
+        assert(os.good());
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.manip/flush.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.manip/flush.pass.cpp
new file mode 100644
index 0000000000000..088826c3d5a93
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.manip/flush.pass.cpp
@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template <class charT, class traits>
+//   basic_ostream<charT,traits>& flush(basic_ostream<charT,traits>& os);
+
+#include <ostream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+public:
+    testbuf()
+    {
+    }
+
+protected:
+
+    virtual int
+        sync()
+        {
+            ++sync_called;
+            return 0;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        flush(os);
+        assert(sync_called == 1);
+        assert(os.good());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        flush(os);
+        assert(sync_called == 2);
+        assert(os.good());
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.rvalue/CharT_pointer.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.rvalue/CharT_pointer.pass.cpp
new file mode 100644
index 0000000000000..ec0e8e1e8c7a6
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.rvalue/CharT_pointer.pass.cpp
@@ -0,0 +1,72 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// template <class charT, class traits, class T>
+//   basic_ostream<charT, traits>&
+//   operator<<(basic_ostream<charT, traits>&& os, const T& x);
+
+#include <ostream>
+#include <cassert>
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        testbuf<char> sb;
+        std::ostream(&sb) << "testing...";
+        assert(sb.str() == "testing...");
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream(&sb) << L"123";
+        assert(sb.str() == L"123");
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.seeks/seekp.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.seeks/seekp.pass.cpp
new file mode 100644
index 0000000000000..ec3fe48866c77
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.seeks/seekp.pass.cpp
@@ -0,0 +1,68 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& seekp(pos_type pos);
+
+#include <ostream>
+#include <cassert>
+
+int seekpos_called = 0;
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    testbuf() {}
+
+protected:
+
+    typename base::pos_type
+    seekpos(typename base::pos_type sp, std::ios_base::openmode which)
+    {
+        ++seekpos_called;
+        assert(which == std::ios_base::out);
+        return sp;
+    }
+};
+
+int main()
+{
+    {
+        seekpos_called = 0;
+        std::ostream os((std::streambuf*)0);
+        assert(&os.seekp(5) == &os);
+        assert(seekpos_called == 0);
+    }
+    {
+        seekpos_called = 0;
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(&os.seekp(10) == &os);
+        assert(seekpos_called == 1);
+        assert(os.good());
+        assert(&os.seekp(-1) == &os);
+        assert(seekpos_called == 2);
+        assert(os.fail());
+    }
+    { // See https://llvm.org/bugs/show_bug.cgi?id=21361
+        seekpos_called = 0;
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.setstate(std::ios_base::eofbit);
+        assert(&os.seekp(10) == &os);
+        assert(seekpos_called == 1);
+        assert(os.rdstate() == std::ios_base::eofbit);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.seeks/seekp2.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.seeks/seekp2.pass.cpp
new file mode 100644
index 0000000000000..ebfd24af91d5b
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.seeks/seekp2.pass.cpp
@@ -0,0 +1,70 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& seekp(off_type off, ios_base::seekdir dir);
+
+#include <ostream>
+#include <cassert>
+
+int seekoff_called = 0;
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    testbuf() {}
+
+protected:
+
+    typename base::pos_type
+    seekoff(typename base::off_type off, std::ios_base::seekdir way,
+                                         std::ios_base::openmode which)
+    {
+        ++seekoff_called;
+        assert(way == std::ios_base::beg);
+        assert(which == std::ios_base::out);
+        return off;
+    }
+};
+
+int main()
+{
+    {
+        seekoff_called = 0;
+        std::ostream os((std::streambuf*)0);
+        assert(&os.seekp(5, std::ios_base::beg) == &os);
+        assert(seekoff_called == 0);
+    }
+    {
+        seekoff_called = 0;
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(&os.seekp(10, std::ios_base::beg) == &os);
+        assert(seekoff_called == 1);
+        assert(os.good());
+        assert(&os.seekp(-1, std::ios_base::beg) == &os);
+        assert(seekoff_called == 2);
+        assert(os.fail());
+    }
+    { // See https://llvm.org/bugs/show_bug.cgi?id=21361
+        seekoff_called = 0;
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.setstate(std::ios_base::eofbit);
+        assert(&os.seekp(10, std::ios_base::beg) == &os);
+        assert(seekoff_called == 1);
+        assert(os.rdstate() == std::ios_base::eofbit);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.seeks/tellp.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.seeks/tellp.pass.cpp
new file mode 100644
index 0000000000000..10a229d382b04
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.seeks/tellp.pass.cpp
@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// pos_type tellp();
+
+#include <ostream>
+#include <cassert>
+
+int seekoff_called = 0;
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    testbuf() {}
+
+protected:
+
+    typename base::pos_type
+    seekoff(typename base::off_type off, std::ios_base::seekdir way, std::ios_base::openmode which)
+    {
+        assert(off == 0);
+        assert(way == std::ios_base::cur);
+        assert(which == std::ios_base::out);
+        ++seekoff_called;
+        return 10;
+    }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        assert(os.tellp() == -1);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(os.tellp() == 10);
+        assert(seekoff_called == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.unformatted/flush.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.unformatted/flush.pass.cpp
new file mode 100644
index 0000000000000..97791f4c7a9cc
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.unformatted/flush.pass.cpp
@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream& flush();
+
+#include <ostream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+public:
+    testbuf()
+    {
+    }
+
+protected:
+
+    virtual int
+        sync()
+        {
+            if (sync_called++ == 1)
+                return -1;
+            return 0;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os.flush();
+        assert(os.good());
+        assert(sync_called == 1);
+        os.flush();
+        assert(os.bad());
+        assert(sync_called == 2);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.unformatted/put.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.unformatted/put.pass.cpp
new file mode 100644
index 0000000000000..396bb093f9c7e
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.unformatted/put.pass.cpp
@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream<charT,traits>& put(char_type c);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::wostream os((std::wstreambuf*)0);
+        wchar_t c = L'a';
+        os.put(c);
+        assert(os.bad());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        wchar_t c = L'a';
+        os.put(c);
+        assert(sb.str() == L"a");
+        assert(os.good());
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        char c = 'a';
+        os.put(c);
+        assert(sb.str() == "a");
+        assert(os.good());
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream.unformatted/write.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream.unformatted/write.pass.cpp
new file mode 100644
index 0000000000000..8dd4e4cf76a6d
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream.unformatted/write.pass.cpp
@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+//   class basic_ostream;
+
+// basic_ostream& write(const char_type* s, streamsize n);
+
+#include <ostream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        std::wostream os((std::wstreambuf*)0);
+        const wchar_t s[] = L"123456790";
+        os.write(s, sizeof(s)/sizeof(s[0])-1);
+        assert(os.bad());
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        const wchar_t s[] = L"123456790";
+        os.write(s, sizeof(s)/sizeof(s[0])-1);
+        assert(os.good());
+        assert(sb.str() == s);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        const char s[] = "123456790";
+        os.write(s, sizeof(s)/sizeof(s[0])-1);
+        assert(sb.str() == s);
+        assert(os.good());
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream/types.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream/types.pass.cpp
new file mode 100644
index 0000000000000..41ce0346c48bc
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream/types.pass.cpp
@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream
+//     : virtual public basic_ios<charT,traits>
+// {
+// public:
+//     // types (inherited from basic_ios (27.5.4)):
+//     typedef charT                          char_type;
+//     typedef traits                         traits_type;
+//     typedef typename traits_type::int_type int_type;
+//     typedef typename traits_type::pos_type pos_type;
+//     typedef typename traits_type::off_type off_type;
+
+#include <ostream>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_base_of<std::basic_ios<char>, std::basic_ostream<char> >::value), "");
+    static_assert((std::is_same<std::basic_ostream<char>::char_type, char>::value), "");
+    static_assert((std::is_same<std::basic_ostream<char>::traits_type, std::char_traits<char> >::value), "");
+    static_assert((std::is_same<std::basic_ostream<char>::int_type, std::char_traits<char>::int_type>::value), "");
+    static_assert((std::is_same<std::basic_ostream<char>::pos_type, std::char_traits<char>::pos_type>::value), "");
+    static_assert((std::is_same<std::basic_ostream<char>::off_type, std::char_traits<char>::off_type>::value), "");
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream_sentry/construct.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream_sentry/construct.pass.cpp
new file mode 100644
index 0000000000000..991fdfb357220
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream_sentry/construct.pass.cpp
@@ -0,0 +1,61 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream::sentry;
+
+// explicit sentry(basic_ostream<charT,traits>& os);
+
+#include <ostream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+struct testbuf1
+    : public std::basic_streambuf<CharT>
+{
+    testbuf1() {}
+
+protected:
+
+    int virtual sync()
+    {
+        ++sync_called;
+        return 1;
+    }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        std::ostream::sentry s(os);
+        assert(!bool(s));
+    }
+    {
+        testbuf1<char> sb;
+        std::ostream os(&sb);
+        std::ostream::sentry s(os);
+        assert(bool(s));
+    }
+    {
+        testbuf1<char> sb;
+        std::ostream os(&sb);
+        testbuf1<char> sb2;
+        std::ostream os2(&sb2);
+        os.tie(&os2);
+        assert(sync_called == 0);
+        std::ostream::sentry s(os);
+        assert(bool(s));
+        assert(sync_called == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/ostream_sentry/destruct.pass.cpp b/test/std/input.output/iostream.format/output.streams/ostream_sentry/destruct.pass.cpp
new file mode 100644
index 0000000000000..112928ca0ce68
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/ostream_sentry/destruct.pass.cpp
@@ -0,0 +1,75 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ostream::sentry;
+
+// ~sentry();
+
+#include <ostream>
+#include <cassert>
+
+int sync_called = 0;
+
+template <class CharT>
+struct testbuf1
+    : public std::basic_streambuf<CharT>
+{
+    testbuf1() {}
+
+protected:
+
+    int virtual sync()
+    {
+        ++sync_called;
+        return 1;
+    }
+};
+
+int main()
+{
+    {
+        std::ostream os((std::streambuf*)0);
+        std::ostream::sentry s(os);
+        assert(!bool(s));
+    }
+    assert(sync_called == 0);
+    {
+        testbuf1<char> sb;
+        std::ostream os(&sb);
+        std::ostream::sentry s(os);
+        assert(bool(s));
+    }
+    assert(sync_called == 0);
+    {
+        testbuf1<char> sb;
+        std::ostream os(&sb);
+        std::ostream::sentry s(os);
+        assert(bool(s));
+        unitbuf(os);
+    }
+    assert(sync_called == 1);
+    {
+        testbuf1<char> sb;
+        std::ostream os(&sb);
+        try
+        {
+            std::ostream::sentry s(os);
+            assert(bool(s));
+            unitbuf(os);
+            throw 1;
+        }
+        catch (...)
+        {
+        }
+        assert(sync_called == 1);
+    }
+}
diff --git a/test/std/input.output/iostream.format/output.streams/version.pass.cpp b/test/std/input.output/iostream.format/output.streams/version.pass.cpp
new file mode 100644
index 0000000000000..662b6987b3c81
--- /dev/null
+++ b/test/std/input.output/iostream.format/output.streams/version.pass.cpp
@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ostream>
+
+#include <ostream>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}
diff --git a/test/std/input.output/iostream.format/quoted.manip/quoted.pass.cpp b/test/std/input.output/iostream.format/quoted.manip/quoted.pass.cpp
new file mode 100644
index 0000000000000..d09b3cae4f66e
--- /dev/null
+++ b/test/std/input.output/iostream.format/quoted.manip/quoted.pass.cpp
@@ -0,0 +1,219 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// quoted
+
+#include <iomanip>
+#include <sstream>
+#include <string>
+#include <cassert>
+
+#if _LIBCPP_STD_VER > 11
+
+bool is_skipws ( const std::istream *is ) {
+    return ( is->flags() & std::ios_base::skipws ) != 0;
+    }
+
+
+bool is_skipws ( const std::wistream *is ) {
+    return ( is->flags() & std::ios_base::skipws ) != 0;
+    }
+
+void both_ways ( const char *p ) {
+    std::string str(p);
+    auto q = std::quoted(str);
+
+    std::stringstream ss;
+    bool skippingws = is_skipws ( &ss );
+    ss << q;
+    ss >> q;
+    }
+
+void round_trip ( const char *p ) {
+    std::stringstream ss;
+    bool skippingws = is_skipws ( &ss );
+    ss << std::quoted(p);
+    std::string s;
+    ss >> std::quoted(s);
+    assert ( s == p );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+void round_trip_ws ( const char *p ) {
+    std::stringstream ss;
+    std::noskipws ( ss );
+    bool skippingws = is_skipws ( &ss );
+    ss << std::quoted(p);
+    std::string s;
+    ss >> std::quoted(s);
+    assert ( s == p );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+void round_trip_d ( const char *p, char delim ) {
+    std::stringstream ss;
+    ss << std::quoted(p, delim);
+    std::string s;
+    ss >> std::quoted(s, delim);
+    assert ( s == p );
+    }
+
+void round_trip_e ( const char *p, char escape ) {
+    std::stringstream ss;
+    ss << std::quoted(p, '"', escape );
+    std::string s;
+    ss >> std::quoted(s, '"', escape );
+    assert ( s == p );
+    }
+
+
+
+std::string quote ( const char *p, char delim='"', char escape='\\' ) {
+    std::stringstream ss;
+    ss << std::quoted(p, delim, escape);
+    std::string s;
+    ss >> s;    // no quote
+    return s;
+}
+
+std::string unquote ( const char *p, char delim='"', char escape='\\' ) {
+    std::stringstream ss;
+    ss << p;
+    std::string s;
+    ss >> std::quoted(s, delim, escape);
+    return s;
+}
+
+void test_padding () {
+    {
+    std::stringstream ss;
+    ss << std::left << std::setw(10) << std::setfill('!') << std::quoted("abc", '`');
+    assert ( ss.str() == "`abc`!!!!!" );
+    }
+    
+    {
+    std::stringstream ss;
+    ss << std::right << std::setw(10) << std::setfill('!') << std::quoted("abc", '`');
+    assert ( ss.str() == "!!!!!`abc`" );
+    }
+}
+
+
+void round_trip ( const wchar_t *p ) {
+    std::wstringstream ss;
+    bool skippingws = is_skipws ( &ss );
+    ss << std::quoted(p);
+    std::wstring s;
+    ss >> std::quoted(s);
+    assert ( s == p );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+    
+
+void round_trip_ws ( const wchar_t *p ) {
+    std::wstringstream ss;
+    std::noskipws ( ss );
+    bool skippingws = is_skipws ( &ss );
+    ss << std::quoted(p);
+    std::wstring s;
+    ss >> std::quoted(s);
+    assert ( s == p );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+void round_trip_d ( const wchar_t *p, wchar_t delim ) {
+    std::wstringstream ss;
+    ss << std::quoted(p, delim);
+    std::wstring s;
+    ss >> std::quoted(s, delim);
+    assert ( s == p );
+    }
+
+void round_trip_e ( const wchar_t *p, wchar_t escape ) {
+    std::wstringstream ss;
+    ss << std::quoted(p, wchar_t('"'), escape );
+    std::wstring s;
+    ss >> std::quoted(s, wchar_t('"'), escape );
+    assert ( s == p );
+    }
+
+
+std::wstring quote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
+    std::wstringstream ss;
+    ss << std::quoted(p, delim, escape);
+    std::wstring s;
+    ss >> s;    // no quote
+    return s;
+}
+
+std::wstring unquote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
+    std::wstringstream ss;
+    ss << p;
+    std::wstring s;
+    ss >> std::quoted(s, delim, escape);
+    return s;
+}
+
+int main()
+{
+    both_ways ( "" );   // This is a compilation check
+
+    round_trip    (  "" );
+    round_trip_ws (  "" );
+    round_trip_d  (  "", 'q' );
+    round_trip_e  (  "", 'q' );
+    
+    round_trip    ( L"" );
+    round_trip_ws ( L"" );
+    round_trip_d  ( L"", 'q' );
+    round_trip_e  ( L"", 'q' );
+    
+    round_trip    (  "Hi" );
+    round_trip_ws (  "Hi" );
+    round_trip_d  (  "Hi", '!' );
+    round_trip_e  (  "Hi", '!' );
+    assert ( quote ( "Hi", '!' ) == "!Hi!" );
+    assert ( quote ( "Hi!", '!' ) == R"(!Hi\!!)" );
+    
+    round_trip    ( L"Hi" );
+    round_trip_ws ( L"Hi" );
+    round_trip_d  ( L"Hi", '!' );
+    round_trip_e  ( L"Hi", '!' );
+    assert ( quote ( L"Hi", '!' )  == L"!Hi!" );
+    assert ( quote ( L"Hi!", '!' ) == LR"(!Hi\!!)" );
+    
+    round_trip    (  "Hi Mom" );
+    round_trip_ws (  "Hi Mom" );
+    round_trip    ( L"Hi Mom" );
+    round_trip_ws ( L"Hi Mom" );
+    
+    assert ( quote (  "" )  ==  "\"\"" );
+    assert ( quote ( L"" )  == L"\"\"" );
+    assert ( quote (  "a" ) ==  "\"a\"" );
+    assert ( quote ( L"a" ) == L"\"a\"" );
+
+//  missing end quote - must not hang
+    assert ( unquote (  "\"abc" ) ==  "abc" );
+    assert ( unquote ( L"\"abc" ) == L"abc" );
+    
+    assert ( unquote (  "abc" ) == "abc" ); // no delimiter
+    assert ( unquote ( L"abc" ) == L"abc" ); // no delimiter
+    assert ( unquote (  "abc def" ) ==  "abc" ); // no delimiter
+    assert ( unquote ( L"abc def" ) == L"abc" ); // no delimiter
+
+    assert ( unquote (  "" ) ==  "" ); // nothing there
+    assert ( unquote ( L"" ) == L"" ); // nothing there
+    test_padding ();
+    }
+
+#else
+int main() {}
+#endif
diff --git a/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp b/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp
new file mode 100644
index 0000000000000..2f516f8fbc916
--- /dev/null
+++ b/test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp
@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// quoted
+
+#include <iomanip>
+#include <sstream>
+#include <string>
+#include <cassert>
+
+#if _LIBCPP_STD_VER > 11
+
+void round_trip ( const char *p ) {
+    std::wstringstream ss;
+    ss << std::quoted(p);
+    std::string s;
+    ss >> std::quoted(s);
+    }
+
+
+
+int main()
+{
+    round_trip ( "Hi Mom" );   
+}
+#else
+#error
+#endif
diff --git a/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp b/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp
new file mode 100644
index 0000000000000..bdd362df19c99
--- /dev/null
+++ b/test/std/input.output/iostream.format/quoted.manip/quoted_traits.fail.cpp
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// quoted
+
+#include <iomanip>
+#include <sstream>
+#include <string>
+#include <cassert>
+
+#if _LIBCPP_STD_VER > 11
+
+template <class charT>
+struct test_traits
+{
+    typedef charT     char_type;
+};
+
+void round_trip ( const char *p ) {
+    std::stringstream ss;
+    ss << std::quoted(p);
+    std::basic_string<char, test_traits<char>> s;
+    ss >> std::quoted(s);
+    }
+
+
+
+int main()
+{
+    round_trip ( "Hi Mom" );   
+}
+#else
+#error
+#endif
diff --git a/test/std/input.output/iostream.format/std.manip/resetiosflags.pass.cpp b/test/std/input.output/iostream.format/std.manip/resetiosflags.pass.cpp
new file mode 100644
index 0000000000000..6c01fc057da43
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/resetiosflags.pass.cpp
@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// T1 resetiosflags(ios_base::fmtflags mask);
+
+#include <iomanip>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::istream is(&sb);
+        assert(is.flags() & std::ios_base::skipws);
+        is >> std::resetiosflags(std::ios_base::skipws);
+        assert(!(is.flags() & std::ios_base::skipws));
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(os.flags() & std::ios_base::skipws);
+        os << std::resetiosflags(std::ios_base::skipws);
+        assert(!(os.flags() & std::ios_base::skipws));
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wistream is(&sb);
+        assert(is.flags() & std::ios_base::skipws);
+        is >> std::resetiosflags(std::ios_base::skipws);
+        assert(!(is.flags() & std::ios_base::skipws));
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        assert(os.flags() & std::ios_base::skipws);
+        os << std::resetiosflags(std::ios_base::skipws);
+        assert(!(os.flags() & std::ios_base::skipws));
+    }
+}
diff --git a/test/std/input.output/iostream.format/std.manip/setbase.pass.cpp b/test/std/input.output/iostream.format/std.manip/setbase.pass.cpp
new file mode 100644
index 0000000000000..e2776a5d1ab38
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/setbase.pass.cpp
@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// T3 setbase(int base);
+
+#include <iomanip>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::istream is(&sb);
+        is >> std::setbase(8);
+        assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct);
+        is >> std::setbase(10);
+        assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec);
+        is >> std::setbase(16);
+        assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex);
+        is >> std::setbase(15);
+        assert((is.flags() & std::ios_base::basefield) == 0);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os << std::setbase(8);
+        assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct);
+        os << std::setbase(10);
+        assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec);
+        os << std::setbase(16);
+        assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex);
+        os << std::setbase(15);
+        assert((os.flags() & std::ios_base::basefield) == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wistream is(&sb);
+        is >> std::setbase(8);
+        assert((is.flags() & std::ios_base::basefield) == std::ios_base::oct);
+        is >> std::setbase(10);
+        assert((is.flags() & std::ios_base::basefield) == std::ios_base::dec);
+        is >> std::setbase(16);
+        assert((is.flags() & std::ios_base::basefield) == std::ios_base::hex);
+        is >> std::setbase(15);
+        assert((is.flags() & std::ios_base::basefield) == 0);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os << std::setbase(8);
+        assert((os.flags() & std::ios_base::basefield) == std::ios_base::oct);
+        os << std::setbase(10);
+        assert((os.flags() & std::ios_base::basefield) == std::ios_base::dec);
+        os << std::setbase(16);
+        assert((os.flags() & std::ios_base::basefield) == std::ios_base::hex);
+        os << std::setbase(15);
+        assert((os.flags() & std::ios_base::basefield) == 0);
+    }
+}
diff --git a/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp b/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp
new file mode 100644
index 0000000000000..a4d923d70adee
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/setfill.pass.cpp
@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// template<charT> T4 setfill(charT c);
+
+#include <iomanip>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os << std::setfill('*');
+        assert(os.fill() == '*');
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os << std::setfill(L'*');
+        assert(os.fill() == L'*');
+    }
+}
diff --git a/test/std/input.output/iostream.format/std.manip/setiosflags.pass.cpp b/test/std/input.output/iostream.format/std.manip/setiosflags.pass.cpp
new file mode 100644
index 0000000000000..5aaf38444ab14
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/setiosflags.pass.cpp
@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// T2 setiosflags (ios_base::fmtflags mask);
+
+#include <iomanip>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::istream is(&sb);
+        assert(!(is.flags() & std::ios_base::oct));
+        is >> std::setiosflags(std::ios_base::oct);
+        assert(is.flags() & std::ios_base::oct);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        assert(!(os.flags() & std::ios_base::oct));
+        os << std::setiosflags(std::ios_base::oct);
+        assert(os.flags() & std::ios_base::oct);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wistream is(&sb);
+        assert(!(is.flags() & std::ios_base::oct));
+        is >> std::setiosflags(std::ios_base::oct);
+        assert(is.flags() & std::ios_base::oct);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        assert(!(os.flags() & std::ios_base::oct));
+        os << std::setiosflags(std::ios_base::oct);
+        assert(os.flags() & std::ios_base::oct);
+    }
+}
diff --git a/test/std/input.output/iostream.format/std.manip/setprecision.pass.cpp b/test/std/input.output/iostream.format/std.manip/setprecision.pass.cpp
new file mode 100644
index 0000000000000..0bea4b98623b9
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/setprecision.pass.cpp
@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// T5 setprecision(int n);
+
+#include <iomanip>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::istream is(&sb);
+        is >> std::setprecision(10);
+        assert(is.precision() == 10);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os << std::setprecision(10);
+        assert(os.precision() == 10);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wistream is(&sb);
+        is >> std::setprecision(10);
+        assert(is.precision() == 10);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os << std::setprecision(10);
+        assert(os.precision() == 10);
+    }
+}
diff --git a/test/std/input.output/iostream.format/std.manip/setw.pass.cpp b/test/std/input.output/iostream.format/std.manip/setw.pass.cpp
new file mode 100644
index 0000000000000..9bd96984e5c98
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/setw.pass.cpp
@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// T6 setw(int n);
+
+#include <iomanip>
+#include <cassert>
+
+template <class CharT>
+struct testbuf
+    : public std::basic_streambuf<CharT>
+{
+    testbuf() {}
+};
+
+int main()
+{
+    {
+        testbuf<char> sb;
+        std::istream is(&sb);
+        is >> std::setw(10);
+        assert(is.width() == 10);
+    }
+    {
+        testbuf<char> sb;
+        std::ostream os(&sb);
+        os << std::setw(10);
+        assert(os.width() == 10);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wistream is(&sb);
+        is >> std::setw(10);
+        assert(is.width() == 10);
+    }
+    {
+        testbuf<wchar_t> sb;
+        std::wostream os(&sb);
+        os << std::setw(10);
+        assert(os.width() == 10);
+    }
+}
diff --git a/test/std/input.output/iostream.format/std.manip/version.pass.cpp b/test/std/input.output/iostream.format/std.manip/version.pass.cpp
new file mode 100644
index 0000000000000..ca4fd3d463eeb
--- /dev/null
+++ b/test/std/input.output/iostream.format/std.manip/version.pass.cpp
@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+#include <iomanip>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}