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// void swap(stack& q);
12
13#include <stack>
14#include <cassert>
15
16#include "test_macros.h"
17
18template <class C>
19C make(int n) {
20 C c;
21 for (int i = 0; i < n; ++i)
22 c.push(i);
23 return c;
24}
25
26int main(int, char**) {
27 std::stack<int> q1 = make<std::stack<int> >(5);
28 std::stack<int> q2 = make<std::stack<int> >(10);
29 std::stack<int> q1_save = q1;
30 std::stack<int> q2_save = q2;
31 q1.swap(q2);
32 assert(q1 == q2_save);
33 assert(q2 == q1_save);
34
35 return 0;
36}
37

source code of libcxx/test/std/containers/container.adaptors/stack/stack.defn/swap.pass.cpp