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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 // queue& operator=(queue&& q);
13 
14 #include <queue>
15 #include <cassert>
16 
17 #include "../../../MoveOnly.h"
18 
19 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
20 
21 template <class C>
22 C
make(int n)23 make(int n)
24 {
25     C c;
26     for (int i = 0; i < n; ++i)
27         c.push_back(MoveOnly(i));
28     return c;
29 }
30 
31 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
32 
main()33 int main()
34 {
35 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
36     std::queue<MoveOnly> q(make<std::deque<MoveOnly> >(5));
37     std::queue<MoveOnly> q2;
38     q2 = std::move(q);
39     assert(q2.size() == 5);
40     assert(q.empty());
41 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
42 }
43