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// UNSUPPORTED: c++03, c++11, c++14, c++17
10// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
11
12// <queue>
13
14// template<class T, three_way_comparable Container>
15// compare_three_way_result_t<Container>
16// operator<=>(const queue<T, Container>& x, const queue<T, Container>& y);
17
18#include <cassert>
19#include <deque>
20#include <queue>
21#include <list>
22
23#include "nasty_containers.h"
24#include "test_container_comparisons.h"
25
26int main(int, char**) {
27 assert((test_sequence_container_adaptor_spaceship<std::queue, std::deque>()));
28 assert((test_sequence_container_adaptor_spaceship<std::queue, std::list>()));
29 assert((test_sequence_container_adaptor_spaceship<std::queue, nasty_list>()));
30 // `std::queue` is not constexpr, so no `static_assert` test here.
31 return 0;
32}
33

source code of libcxx/test/std/containers/container.adaptors/queue/queue.ops/compare.three_way.pass.cpp