libcxx/test/std/containers/sequences/array/array.swap/swap.verify.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 // <array>
  10
  11 // void swap(array& a);
  12
  13 #include <array>
  14 #include <cassert>
  15
  16 int main(int, char**) {
  17   {
  18     typedef double T;
  19     typedef std::array<const T, 0> C;
  20     C c = {};
  21     C c2 = {};
  22     // expected-error-re@array:* {{static assertion failed{{.*}}cannot swap zero-sized array of type 'const T'}}
  23     c.swap(c2); // expected-note {{requested here}}
  24   }
  25
  26   return 0;
  27 }