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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
// <string>
// basic_string(basic_string&&)
// noexcept(is_nothrow_move_constructible<allocator_type>::value); // constexpr since C++20
// This tests a conforming extension
#include <string>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
int main(int, char**) {
{
typedef std::string C;
static_assert(std::is_nothrow_move_constructible<C>::value, "");
}
{
typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C;
static_assert(std::is_nothrow_move_constructible<C>::value, "");
}
{
typedef std::basic_string<char, std::char_traits<char>, limited_allocator<char, 10>> C;
#if TEST_STD_VER <= 14
static_assert(!std::is_nothrow_move_constructible<C>::value, "");
#else
static_assert(std::is_nothrow_move_constructible<C>::value, "");
#endif
}
return 0;
}
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