test/std/containers/container.adaptors/stack/stack.special/swap_noexcept.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // <stack>
  11
  12 // void swap(stack& c)
  13 //     noexcept(__is_nothrow_swappable<container_type>::value);
  14
  15 // This tests a conforming extension
  16
  17 // UNSUPPORTED: c++98, c++03
  18
  19 #include <stack>
  20 #include <utility>
  21 #include <cassert>
  22
  23 #include "MoveOnly.h"
  24
  25 int main()
  26 {
  27     {
  28         typedef std::stack<MoveOnly> C;
  29         static_assert(noexcept(swap(std::declval<C&>(), std::declval<C&>())), "");
  30     }
  31 }