libcxx/test/std/containers/container.adaptors/queue/queue.defn/assign_copy.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 // queue& operator=(const queue& q);
  12
  13 #include <queue>
  14 #include <cassert>
  15
  16 #include "test_macros.h"
  17
  18 template <class C>
  19 C
  20 make(int n)
  21 {
  22     C c;
  23     for (int i = 0; i < n; ++i)
  24         c.push_back(i);
  25     return c;
  26 }
  27
  28 int main(int, char**)
  29 {
  30     std::queue<int> q(make<std::deque<int> >(5));
  31     std::queue<int> q2;
  32     q2 = q;
  33     assert(q2 == q);
  34
  35   return 0;
  36 }