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

1 files changed, 117 insertions, 0 deletions

diff --git a/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp b/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp
new file mode 100644
index 000000000000..af806bc04570
--- /dev/null
+++ b/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp
@@ -0,0 +1,117 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// template<class charT, class traits, class Allocator>
+//   basic_istream<charT,traits>&
+//   operator>>(basic_istream<charT,traits>& is,
+//              basic_string<charT,traits,Allocator>& str);
+
+#include <string>
+#include <sstream>
+#include <cassert>
+
+#include "min_allocator.h"
+
+int main()
+{
+    {
+        std::istringstream in("a bc defghij");
+        std::string s("initial text");
+        in >> s;
+        assert(in.good());
+        assert(s == "a");
+        assert(in.peek() == ' ');
+        in >> s;
+        assert(in.good());
+        assert(s == "bc");
+        assert(in.peek() == ' ');
+        in.width(3);
+        in >> s;
+        assert(in.good());
+        assert(s == "def");
+        assert(in.peek() == 'g');
+        in >> s;
+        assert(in.eof());
+        assert(s == "ghij");
+        in >> s;
+        assert(in.fail());
+    }
+    {
+        std::wistringstream in(L"a bc defghij");
+        std::wstring s(L"initial text");
+        in >> s;
+        assert(in.good());
+        assert(s == L"a");
+        assert(in.peek() == L' ');
+        in >> s;
+        assert(in.good());
+        assert(s == L"bc");
+        assert(in.peek() == L' ');
+        in.width(3);
+        in >> s;
+        assert(in.good());
+        assert(s == L"def");
+        assert(in.peek() == L'g');
+        in >> s;
+        assert(in.eof());
+        assert(s == L"ghij");
+        in >> s;
+        assert(in.fail());
+    }
+#if __cplusplus >= 201103L
+    {
+        typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+        std::istringstream in("a bc defghij");
+        S s("initial text");
+        in >> s;
+        assert(in.good());
+        assert(s == "a");
+        assert(in.peek() == ' ');
+        in >> s;
+        assert(in.good());
+        assert(s == "bc");
+        assert(in.peek() == ' ');
+        in.width(3);
+        in >> s;
+        assert(in.good());
+        assert(s == "def");
+        assert(in.peek() == 'g');
+        in >> s;
+        assert(in.eof());
+        assert(s == "ghij");
+        in >> s;
+        assert(in.fail());
+    }
+    {
+        typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
+        std::wistringstream in(L"a bc defghij");
+        S s(L"initial text");
+        in >> s;
+        assert(in.good());
+        assert(s == L"a");
+        assert(in.peek() == L' ');
+        in >> s;
+        assert(in.good());
+        assert(s == L"bc");
+        assert(in.peek() == L' ');
+        in.width(3);
+        in >> s;
+        assert(in.good());
+        assert(s == L"def");
+        assert(in.peek() == L'g');
+        in >> s;
+        assert(in.eof());
+        assert(s == L"ghij");
+        in >> s;
+        assert(in.fail());
+    }
+#endif
+}