libcxx/test/std/containers/container.adaptors/stack/stack.cons/ctor_container.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 // <stack>
  10
  11 // explicit stack(const Container&);
  12
  13 #include <stack>
  14 #include <cassert>
  15 #include <cstddef>
  16
  17 #include "test_macros.h"
  18 #if TEST_STD_VER >= 11
  19 #include "test_convertible.h"
  20 #endif
  21
  22 template <class C>
  23 C
  24 make(int n)
  25 {
  26     C c;
  27     for (int i = 0; i < n; ++i)
  28         c.push_back(i);
  29     return c;
  30 }
  31
  32 int main(int, char**)
  33 {
  34     typedef std::deque<int> Container;
  35     typedef std::stack<int> Q;
  36     Container d = make<Container>(5);
  37     Q q(d);
  38     assert(q.size() == 5);
  39     for (std::size_t i = 0; i < d.size(); ++i)
  40     {
  41         assert(q.top() == d[d.size() - i - 1]);
  42         q.pop();
  43     }
  44
  45 #if TEST_STD_VER >= 11
  46     static_assert(!test_convertible<Q, const Container&>(), "");
  47 #endif
  48
  49     return 0;
  50 }