Initial commit

module/jni/libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.members/str.pass.cpp

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+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <sstream>
+
+// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
+// class basic_stringbuf
+
+// void str(const basic_string<charT,traits,Allocator>& s);
+
+#include <sstream>
+#include <cassert>
+
+#include "test_macros.h"
+
+int main(int, char**)
+{
+    {
+        std::stringbuf buf("testing");
+        assert(buf.str() == "testing");
+        buf.str("another test");
+        assert(buf.str() == "another test");
+    }
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    {
+        std::wstringbuf buf(L"testing");
+        assert(buf.str() == L"testing");
+        buf.str(L"another test");
+        assert(buf.str() == L"another test");
+    }
+#endif
+
+  return 0;
+}