39 lines · 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-exception6//7//===----------------------------------------------------------------------===//8 9// <queue>10 11// priority_queue();12 13// bool empty() const;14 15#include <queue>16#include <cassert>17 18#include "test_macros.h"19 20TEST_CONSTEXPR_CXX26 bool test() {21 std::priority_queue<int> q;22 assert(q.empty());23 q.push(1);24 assert(!q.empty());25 q.pop();26 assert(q.empty());27 28 return true;29}30 31int main(int, char**) {32 assert(test());33#if TEST_STD_VER >= 2634 static_assert(test());35#endif36 37 return 0;38}39