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// <queue>
10
11// template <class Alloc>
12// priority_queue(const priority_queue& q, const Alloc& a);
13
14#include <queue>
15#include <cassert>
16
17#include "test_macros.h"
18
19template <class C>
20TEST_CONSTEXPR_CXX26 C make(int n) {
21 C c;
22 for (int i = 0; i < n; ++i)
23 c.push_back(i);
24 return c;
25}
26
27#include "test_macros.h"
28#include "test_allocator.h"
29
30template <class T>
31struct Test : public std::priority_queue<T, std::vector<T, test_allocator<T> > > {
32 typedef std::priority_queue<T, std::vector<T, test_allocator<T> > > base;
33 typedef typename base::container_type container_type;
34 typedef typename base::value_compare value_compare;
35
36 TEST_CONSTEXPR_CXX26 explicit Test(const test_allocator<int>& a) : base(a) {}
37 TEST_CONSTEXPR_CXX26 Test(const value_compare& compare, const test_allocator<int>& a) : base(compare, c, a) {}
38 TEST_CONSTEXPR_CXX26 Test(const value_compare& compare, const container_type& container, const test_allocator<int>& a)
39 : base(compare, container, a) {}
40 TEST_CONSTEXPR_CXX26 Test(const Test& q, const test_allocator<int>& a) : base(q, a) {}
41 TEST_CONSTEXPR_CXX26 test_allocator<int> get_allocator() { return c.get_allocator(); }
42
43 using base::c;
44};
45
46TEST_CONSTEXPR_CXX26 bool test() {
47 Test<int> qo(std::less<int>(), make<std::vector<int, test_allocator<int> > >(5), test_allocator<int>(2));
48 Test<int> q(qo, test_allocator<int>(6));
49 assert(q.size() == 5);
50 assert(q.c.get_allocator() == test_allocator<int>(6));
51 assert(q.top() == int(4));
52
53 return true;
54}
55
56int main(int, char**) {
57 assert(test());
58#if TEST_STD_VER >= 26
59 static_assert(test());
60#endif
61
62 return 0;
63}
64

source code of libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.cons.alloc/ctor_copy_alloc.pass.cpp