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 //   queue(queue&& q, const Alloc& a);
14 
15 #include <queue>
16 #include <cassert>
17 
18 #include "test_allocator.h"
19 #include "MoveOnly.h"
20 
21 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
22 
23 template <class C>
24 C
make(int n)25 make(int n)
26 {
27     C c;
28     for (int i = 0; i < n; ++i)
29         c.push_back(MoveOnly(i));
30     return c;
31 }
32 
33 typedef std::deque<MoveOnly, test_allocator<MoveOnly> > C;
34 
35 template <class T>
36 struct test
37     : public std::queue<T, C>
38 {
39     typedef std::queue<T, C> base;
40     typedef test_allocator<MoveOnly>      allocator_type;
41     typedef typename base::container_type container_type;
42 
testtest43     explicit test(const allocator_type& a) : base(a) {}
testtest44     test(const container_type& c, const allocator_type& a) : base(c, a) {}
testtest45     test(container_type&& c, const allocator_type& a) : base(std::move(c), a) {}
testtest46     test(test&& q, const allocator_type& a) : base(std::move(q), a) {}
get_allocatortest47     allocator_type get_allocator() {return this->c.get_allocator();}
48 };
49 
50 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
51 
main()52 int main()
53 {
54 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
55     test<MoveOnly> q(make<C>(5), test_allocator<MoveOnly>(4));
56     test<MoveOnly> q2(std::move(q), test_allocator<MoveOnly>(5));
57     assert(q2.get_allocator() == test_allocator<MoveOnly>(5));
58     assert(q2.size() == 5);
59 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
60 }
61