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1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <queue>
11 
12 // template <class Alloc>
13 //     priority_queue(const priority_queue& q, const Alloc& a);
14 
15 #include <queue>
16 #include <cassert>
17 
18 template <class C>
19 C
make(int n)20 make(int n)
21 {
22     C c;
23     for (int i = 0; i < n; ++i)
24         c.push_back(i);
25     return c;
26 }
27 
28 #include "test_allocator.h"
29 
30 template <class T>
31 struct test
32     : public std::priority_queue<T, std::vector<T, test_allocator<T> > >
33 {
34     typedef std::priority_queue<T, std::vector<T, test_allocator<T> > > base;
35     typedef typename base::container_type container_type;
36     typedef typename base::value_compare value_compare;
37 
testtest38     explicit test(const test_allocator<int>& a) : base(a) {}
testtest39     test(const value_compare& comp, const test_allocator<int>& a)
40         : base(comp, c, a) {}
testtest41     test(const value_compare& comp, const container_type& c,
42          const test_allocator<int>& a) : base(comp, c, a) {}
testtest43     test(const test& q, const test_allocator<int>& a) : base(q, a) {}
get_allocatortest44     test_allocator<int> get_allocator() {return c.get_allocator();}
45 
46     using base::c;
47 };
48 
main()49 int main()
50 {
51     test<int> qo(std::less<int>(),
52                       make<std::vector<int, test_allocator<int> > >(5),
53                       test_allocator<int>(2));
54     test<int> q(qo, test_allocator<int>(6));
55     assert(q.size() == 5);
56     assert(q.c.get_allocator() == test_allocator<int>(6));
57     assert(q.top() == int(4));
58 }
59