//===----------------------------------------------------------------------===//
//
// 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++98, c++03

// <string>

// basic_string<charT,traits,Allocator>&
//   operator=(basic_string<charT,traits,Allocator>&& str);

#include <string>
#include <cassert>

#include "test_macros.h"

int main()
{
  // Test that assignment from {} and {ptr, len} are allowed and are not
  // ambiguous.
  {
    std::string s = "hello world";
    s = {};
    assert(s.empty());
  }
  {
    std::string s = "hello world";
    s = {"abc", 2};
    assert(s == "ab");
  }
}