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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
//
//===----------------------------------------------------------------------===//
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
// <strstream>
// class strstreambuf
// explicit strstreambuf(streamsize alsize_arg = 0); // before C++20
// strstreambuf() : strstreambuf(0) {} // C++20
// explicit strstreambuf(streamsize alsize_arg); // C++20
#include <strstream>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER >= 11
#include "test_convertible.h"
#endif
int main(int, char**)
{
{
std::strstreambuf s;
assert(s.str() == nullptr);
assert(s.pcount() == 0);
}
{
std::strstreambuf s(1024);
LIBCPP_ASSERT(s.str() == nullptr);
assert(s.pcount() == 0);
}
#if TEST_STD_VER >= 11
{
typedef std::strstreambuf B;
static_assert(test_convertible<B>(), "");
static_assert(!test_convertible<B, std::streamsize>(), "");
}
#endif
return 0;
}
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