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libcxx/test/std/experimental/iterator/ostream.joiner/ostream.joiner.ops/ostream_joiner.op.star.pass...

47 lines
1.7 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <experimental/iterator>
//
// template <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>>
// class ostream_joiner;
//
// ostream_joiner & operator*() noexcept
// returns *this;
#include <experimental/iterator>
#include <iostream>
#include <cassert>
#include "test_macros.h"
namespace exp = std::experimental;
template <class Delim, class CharT, class Traits>
void test ( exp::ostream_joiner<Delim, CharT, Traits> &oj ) {
static_assert((noexcept(*oj)), "" );
exp::ostream_joiner<Delim, CharT, Traits> &ret = *oj;
assert( &ret == &oj );
}
int main () {
{ exp::ostream_joiner<char> oj(std::cout, '8'); test(oj); }
{ exp::ostream_joiner<std::string> oj(std::cout, std::string("9")); test(oj); }
{ exp::ostream_joiner<std::wstring> oj(std::cout, std::wstring(L"10")); test(oj); }
{ exp::ostream_joiner<int> oj(std::cout, 11); test(oj); }
{ exp::ostream_joiner<char, wchar_t> oj(std::wcout, '8'); test(oj); }
{ exp::ostream_joiner<std::string, wchar_t> oj(std::wcout, std::string("9")); test(oj); }
{ exp::ostream_joiner<std::wstring, wchar_t> oj(std::wcout, std::wstring(L"10")); test(oj); }
{ exp::ostream_joiner<int, wchar_t> oj(std::wcout, 11); test(oj); }
}