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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// UNSUPPORTED: no-localization
// UNSUPPORTED: libcpp-has-no-experimental-syncstream
// <syncstream>
// template<class charT, class traits, class Allocator>
// void swap(basic_syncbuf<charT, traits, Allocator>&,
// basic_syncbuf<charT, traits, Allocator>&);
#include <syncstream>
#include <cassert>
#include "test_macros.h"
template <class CharT>
void test() {
std::basic_syncbuf<CharT> base1;
std::basic_syncbuf<CharT> base2;
std::basic_syncbuf<CharT> buff1(&base1);
std::basic_syncbuf<CharT> buff2(&base2);
std::swap(buff1, buff2);
assert(buff1.get_wrapped() == &base2);
assert(buff2.get_wrapped() == &base1);
}
int main(int, char**) {
test<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test<wchar_t>();
#endif
return 0;
}
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