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//===----------------------------------------------------------------------===//
//
// 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
// <string>
// basic_string()
// noexcept(is_nothrow_default_constructible<allocator_type>::value);
// This tests a conforming extension
#include <string>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
int main()
{
{
typedef std::string C;
static_assert(std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C;
static_assert(std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::basic_string<char, std::char_traits<char>, limited_allocator<char, 10>> C;
static_assert(!std::is_nothrow_default_constructible<C>::value, "");
}
}
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