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

11 files changed, 439 insertions, 0 deletions

diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/bad.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/bad.pass.cpp
new file mode 100644
index 000000000000..1005df6ef258
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/bad.pass.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// bool bad() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        assert(ios.bad());
+        ios.setstate(std::ios::eofbit);
+        assert(ios.bad());
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        assert(!ios.bad());
+        ios.setstate(std::ios::eofbit);
+        assert(!ios.bad());
+        ios.setstate(std::ios::failbit);
+        assert(!ios.bad());
+        ios.setstate(std::ios::badbit);
+        assert(ios.bad());
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/bool.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/bool.pass.cpp
new file mode 100644
index 000000000000..0de889e549cc
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/bool.pass.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// operator unspecified-bool-type() const;
+
+#include <ios>
+#include <cassert>
+
+int main()
+{
+    std::ios ios(0);
+    assert(static_cast<bool>(ios) == !ios.fail());
+    ios.setstate(std::ios::failbit);
+    assert(static_cast<bool>(ios) == !ios.fail());
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/clear.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/clear.pass.cpp
new file mode 100644
index 000000000000..0c2e8f0860ce
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/clear.pass.cpp
@@ -0,0 +1,65 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// void clear(iostate state = goodbit);
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        ios.clear();
+        assert(ios.rdstate() == std::ios::badbit);
+        try
+        {
+            ios.exceptions(std::ios::badbit);
+        }
+        catch (...)
+        {
+        }
+        try
+        {
+            ios.clear();
+            assert(false);
+        }
+        catch (std::ios::failure&)
+        {
+            assert(ios.rdstate() == std::ios::badbit);
+        }
+        try
+        {
+            ios.clear(std::ios::eofbit);
+            assert(false);
+        }
+        catch (std::ios::failure&)
+        {
+            assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit));
+        }
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        ios.clear();
+        assert(ios.rdstate() == std::ios::goodbit);
+        ios.exceptions(std::ios::badbit);
+        ios.clear();
+        assert(ios.rdstate() == std::ios::goodbit);
+        ios.clear(std::ios::eofbit);
+        assert(ios.rdstate() == std::ios::eofbit);
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/eof.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/eof.pass.cpp
new file mode 100644
index 000000000000..64d5a3018d15
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/eof.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// bool eof() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        assert(!ios.eof());
+        ios.setstate(std::ios::eofbit);
+        assert(ios.eof());
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        assert(!ios.eof());
+        ios.setstate(std::ios::eofbit);
+        assert(ios.eof());
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/exceptions.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/exceptions.pass.cpp
new file mode 100644
index 000000000000..d5158a184683
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/exceptions.pass.cpp
@@ -0,0 +1,33 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// iostate exceptions() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        const std::ios ios(0);
+        assert(ios.exceptions() == std::ios::goodbit);
+    }
+    {
+        testbuf sb;
+        const std::ios ios(&sb);
+        assert(ios.exceptions() == std::ios::goodbit);
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/exceptions_iostate.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/exceptions_iostate.pass.cpp
new file mode 100644
index 000000000000..a0013eabdac6
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/exceptions_iostate.pass.cpp
@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// iostate exceptions() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        assert(ios.exceptions() == std::ios::goodbit);
+        ios.exceptions(std::ios::eofbit);
+        assert(ios.exceptions() == std::ios::eofbit);
+        try
+        {
+            ios.exceptions(std::ios::badbit);
+            assert(false);
+        }
+        catch (std::ios::failure&)
+        {
+        }
+        assert(ios.exceptions() == std::ios::badbit);
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        assert(ios.exceptions() == std::ios::goodbit);
+        ios.exceptions(std::ios::eofbit);
+        assert(ios.exceptions() == std::ios::eofbit);
+        ios.exceptions(std::ios::badbit);
+        assert(ios.exceptions() == std::ios::badbit);
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/fail.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/fail.pass.cpp
new file mode 100644
index 000000000000..fa9f765bfd59
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/fail.pass.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// bool fail() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        assert(ios.fail());
+        ios.setstate(std::ios::eofbit);
+        assert(ios.fail());
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        assert(!ios.fail());
+        ios.setstate(std::ios::eofbit);
+        assert(!ios.fail());
+        ios.setstate(std::ios::badbit);
+        assert(ios.fail());
+        ios.setstate(std::ios::failbit);
+        assert(ios.fail());
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/good.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/good.pass.cpp
new file mode 100644
index 000000000000..03f89506d6fd
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/good.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// bool good() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        assert(!ios.good());
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        assert(ios.good());
+        ios.setstate(std::ios::eofbit);
+        assert(!ios.good());
+    }
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/not.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/not.pass.cpp
new file mode 100644
index 000000000000..ef534f6d0adf
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/not.pass.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// bool operator!() const;
+
+#include <ios>
+#include <cassert>
+
+int main()
+{
+    std::ios ios(0);
+    assert(!ios == ios.fail());
+    ios.setstate(std::ios::failbit);
+    assert(!ios == ios.fail());
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/rdstate.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/rdstate.pass.cpp
new file mode 100644
index 000000000000..d09e2a62ee3d
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/rdstate.pass.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// iostate rdstate() const;
+
+#include <ios>
+#include <cassert>
+
+int main()
+{
+    std::ios ios(0);
+    assert(ios.rdstate() == std::ios::badbit);
+    ios.setstate(std::ios::failbit);
+    assert(ios.rdstate() == (std::ios::failbit | std::ios::badbit));
+}
diff --git a/test/std/input.output/iostreams.base/ios/iostate.flags/setstate.pass.cpp b/test/std/input.output/iostreams.base/ios/iostate.flags/setstate.pass.cpp
new file mode 100644
index 000000000000..b3c66c487e9f
--- /dev/null
+++ b/test/std/input.output/iostreams.base/ios/iostate.flags/setstate.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// void setstate(iostate state);
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    {
+        std::ios ios(0);
+        ios.setstate(std::ios::goodbit);
+        assert(ios.rdstate() == std::ios::badbit);
+        try
+        {
+            ios.exceptions(std::ios::badbit);
+        }
+        catch (...)
+        {
+        }
+        try
+        {
+            ios.setstate(std::ios::goodbit);
+            assert(false);
+        }
+        catch (std::ios::failure&)
+        {
+            assert(ios.rdstate() == std::ios::badbit);
+        }
+        try
+        {
+            ios.setstate(std::ios::eofbit);
+            assert(false);
+        }
+        catch (std::ios::failure&)
+        {
+            assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit));
+        }
+    }
+    {
+        testbuf sb;
+        std::ios ios(&sb);
+        ios.setstate(std::ios::goodbit);
+        assert(ios.rdstate() == std::ios::goodbit);
+        ios.setstate(std::ios::eofbit);
+        assert(ios.rdstate() == std::ios::eofbit);
+        ios.setstate(std::ios::failbit);
+        assert(ios.rdstate() == (std::ios::eofbit | std::ios::failbit));
+    }
+}