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

60 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <locale>
// wbuffer_convert<Codecvt, Elem, Tr>
// wbuffer_convert(streambuf *bytebuf = 0, Codecvt *pcvt = new Codecvt,
// state_type state = state_type());
#include <locale>
#include <codecvt>
#include <sstream>
#include <cassert>
#include "test_macros.h"
#include "count_new.hpp"
int main()
{
typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
#if TEST_STD_VER > 11
static_assert(!std::is_convertible<std::streambuf*, B>::value, "");
static_assert( std::is_constructible<B, std::streambuf*>::value, "");
#endif
{
B b;
assert(b.rdbuf() == nullptr);
assert(globalMemCounter.checkOutstandingNewNotEq(0));
}
assert(globalMemCounter.checkOutstandingNewEq(0));
{
std::stringstream s;
B b(s.rdbuf());
assert(b.rdbuf() == s.rdbuf());
assert(globalMemCounter.checkOutstandingNewNotEq(0));
}
assert(globalMemCounter.checkOutstandingNewEq(0));
{
std::stringstream s;
B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>);
assert(b.rdbuf() == s.rdbuf());
assert(globalMemCounter.checkOutstandingNewNotEq(0));
}
assert(globalMemCounter.checkOutstandingNewEq(0));
{
std::stringstream s;
B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>, std::mbstate_t());
assert(b.rdbuf() == s.rdbuf());
assert(globalMemCounter.checkOutstandingNewNotEq(0));
}
assert(globalMemCounter.checkOutstandingNewEq(0));
}