libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.special/swap_noexcept.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <queue>
  10
  11 // void swap(priority_queue& c)
  12 //     noexcept(__is_nothrow_swappable<container_type>::value &&
  13 //              __is_nothrow_swappable<Compare>::value);
  14
  15 // This tests a conforming extension
  16
  17 // UNSUPPORTED: c++03
  18
  19 #include <queue>
  20 #include <utility>
  21 #include <cassert>
  22
  23 #include "test_macros.h"
  24 #include "MoveOnly.h"
  25
  26 int main(int, char**)
  27 {
  28     {
  29         typedef std::priority_queue<MoveOnly> C;
  30         static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
  31     }
  32
  33   return 0;
  34 }