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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <queue>
// priority_queue& operator=(const priority_queue&) = default;
#include <queue>
#include <cassert>
#include <functional>
#include "test_macros.h"
template <class C>
TEST_CONSTEXPR_CXX26 C make(int n) {
C c;
for (int i = 0; i < n; ++i)
c.push_back(i);
return c;
}
TEST_CONSTEXPR_CXX26 bool test() {
std::vector<int> v = make<std::vector<int> >(5);
std::priority_queue<int, std::vector<int>, std::greater<int> > qo(std::greater<int>(), v);
std::priority_queue<int, std::vector<int>, std::greater<int> > q;
q = qo;
assert(q.size() == 5);
assert(q.top() == 0);
return true;
}
int main(int, char**) {
assert(test());
#if TEST_STD_VER >= 26
static_assert(test());
#endif
return 0;
}
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