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// template <class T, class Container>
12// void swap(stack<T, Container>& x, stack<T, Container>& y);
13
14#include <stack>
15#include <cassert>
16
17#include "test_macros.h"
18
19template <class C>
20C make(int n) {
21 C c;
22 for (int i = 0; i < n; ++i)
23 c.push(i);
24 return c;
25}
26
27int main(int, char**) {
28 std::stack<int> q1 = make<std::stack<int> >(5);
29 std::stack<int> q2 = make<std::stack<int> >(10);
30 std::stack<int> q1_save = q1;
31 std::stack<int> q2_save = q2;
32 swap(q1, q2);
33 assert(q1 == q2_save);
34 assert(q2 == q1_save);
35
36 return 0;
37}
38

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