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 // explicit priority_queue(const Compare& comp);
12 
13 #include <queue>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 #include "test_allocator.h"
18 #if TEST_STD_VER >= 11
19 #include "test_convertible.h"
20 #endif
21 
main(int,char **)22 int main(int, char**)
23 {
24     typedef std::vector<int, limited_allocator<int, 10> > Container;
25     typedef std::less<int> Compare;
26     typedef std::priority_queue<int, Container> Q;
27     Q q((Compare()));
28     assert(q.size() == 0);
29     q.push(1);
30     q.push(2);
31     assert(q.size() == 2);
32     assert(q.top() == 2);
33 
34 #if TEST_STD_VER >= 11
35     static_assert(!test_convertible<Q, const Compare&>(), "");
36 #endif
37 
38     return 0;
39 }
40