Initial commit

module/jni/libcxx/test/std/input.output/string.streams/stringstream.cons/default.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_stringstream
+
+// explicit basic_stringstream(ios_base::openmode which = ios_base::out | ios_base::in); // before C++20
+// basic_stringstream() : basic_stringstream(ios_base::out | ios_base::in) {}            // C++20
+// explicit basic_stringstream(ios_base::openmode which);                                // C++20
+
+#include <sstream>
+#include <cassert>
+
+#include "test_macros.h"
+#if TEST_STD_VER >= 11
+#include "test_convertible.h"
+
+template <typename S>
+void test() {
+  static_assert(test_convertible<S>(), "");
+  static_assert(!test_convertible<S, std::ios_base::openmode>(), "");
+}
+#endif
+
+int main(int, char**)
+{
+    {
+        std::stringstream ss;
+        assert(ss.rdbuf() != 0);
+        assert(ss.good());
+        assert(ss.str() == "");
+    }
+    {
+        std::stringstream ss(std::ios_base::in);
+        assert(ss.rdbuf() != 0);
+        assert(ss.good());
+        assert(ss.str() == "");
+    }
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    {
+        std::wstringstream ss;
+        assert(ss.rdbuf() != 0);
+        assert(ss.good());
+        assert(ss.str() == L"");
+    }
+    {
+        std::wstringstream ss(std::ios_base::in);
+        assert(ss.rdbuf() != 0);
+        assert(ss.good());
+        assert(ss.str() == L"");
+    }
+#endif
+
+#if TEST_STD_VER >= 11
+    test<std::stringstream>();
+#  ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    test<std::wstringstream>();
+#   endif
+#endif
+
+    return 0;
+}