Import libc++ 3.7.0 release (r246257).vendor/libc++/libc++-release_370-r246257

6 files changed, 359 insertions, 0 deletions

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 000000000000..f4d425728b77
--- /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 000000000000..2032e935bfac
--- /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 000000000000..c0592e927c8f
--- /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 000000000000..dacc8d26d76e
--- /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 000000000000..b58f5c55b643
--- /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 000000000000..6890f1cf7c17
--- /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), "");
+}