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// queue(const queue& q, const Alloc& a);
13
14#include <queue>
15#include <cassert>
16
17#include "test_macros.h"
18#include "test_allocator.h"
19
20template <class C>
21C
22make(int n)
23{
24 C c;
25 for (int i = 0; i < n; ++i)
26 c.push_back(i);
27 return c;
28}
29
30typedef std::deque<int, test_allocator<int> > C;
31
32template <class T>
33struct test
34 : public std::queue<T, C>
35{
36 typedef std::queue<T, C> base;
37 typedef test_allocator<int> allocator_type;
38 typedef typename base::container_type container_type;
39
40 explicit test(const allocator_type& a) : base(a) {}
41 test(const container_type& container, const allocator_type& a) : base(container, a) {}
42 test(const test& q, const allocator_type& a) : base(q, a) {}
43 allocator_type get_allocator() {return this->c.get_allocator();}
44};
45
46int main(int, char**)
47{
48 test<int> q(make<C>(5), test_allocator<int>(4));
49 test<int> q2(q, test_allocator<int>(5));
50 assert(q2.get_allocator() == test_allocator<int>(5));
51 assert(q2.size() == 5);
52
53 return 0;
54}
55

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