Differential D91292 Diff 308912 libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.buffer/ctor.pass.cpp

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libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.buffer/ctor.pass.cpp

//===----------------------------------------------------------------------===//		//===----------------------------------------------------------------------===//
//		//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.		// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.		// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception		// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//		//
//===----------------------------------------------------------------------===//		//===----------------------------------------------------------------------===//

// <locale>		// <locale>

// wbuffer_convert<Codecvt, Elem, Tr>		// wbuffer_convert<Codecvt, Elem, Tr>

// wbuffer_convert(streambuf bytebuf = 0, Codecvt pcvt = new Codecvt,		// wbuffer_convert(streambuf* bytebuf = 0, Codecvt* pcvt = new Codecvt,
// state_type state = state_type());		// state_type state = state_type()); // before C++14
		// explicit wbuffer_convert(streambuf* bytebuf = nullptr, Codecvt* pcvt = new Codecvt,
		// state_type state = state_type()); // before C++20
		// wbuffer_convert() : wbuffer_convert(nullptr) {} // C++20
		// explicit wbuffer_convert(streambuf* bytebuf, Codecvt* pcvt = new Codecvt,
		// state_type state = state_type()); // C++20

#include <locale>		#include <locale>
#include <codecvt>		#include <codecvt>
#include <sstream>		#include <sstream>
#include <cassert>		#include <cassert>

#include "test_macros.h"		#include "test_macros.h"
#include "count_new.h"		#include "count_new.h"
		#if TEST_STD_VER >= 11
		#include "test_convertible.h"
		#endif

int main(int, char**)		int main(int, char**)
{		{
globalMemCounter.reset();		globalMemCounter.reset();
typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;		typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
#if TEST_STD_VER > 11		#if TEST_STD_VER > 11
static_assert(!std::is_convertible<std::streambuf*, B>::value, "");		static_assert(!std::is_convertible<std::streambuf*, B>::value, "");
static_assert( std::is_constructible<B, std::streambuf*>::value, "");		static_assert( std::is_constructible<B, std::streambuf*>::value, "");
Show All 21 Lines	#endif
{		{
std::stringstream s;		std::stringstream s;
B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>, std::mbstate_t());		B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>, std::mbstate_t());
assert(b.rdbuf() == s.rdbuf());		assert(b.rdbuf() == s.rdbuf());
assert(globalMemCounter.checkOutstandingNewNotEq(0));		assert(globalMemCounter.checkOutstandingNewNotEq(0));
}		}
assert(globalMemCounter.checkOutstandingNewEq(0));		assert(globalMemCounter.checkOutstandingNewEq(0));

		#if TEST_STD_VER >= 11
		{
		#if TEST_STD_VER > 17
		static_assert(test_convertible<B>(), "");
		static_assert(!test_convertible<B, std::streambuf*>(), "");
		#elif TEST_STD_VER > 11
		static_assert(!test_convertible<B>(), "");
		static_assert(!test_convertible<B, std::streambuf*>(), "");
		#else
		static_assert(test_convertible<B>(), "");
		static_assert(test_convertible<B, std::streambuf*>(), "");
		#endif
		}
		#endif

return 0;		return 0;
}		}