xref: /llvm-project/libcxx/test/std/containers/container.adaptors/stack/stack.defn/assign_move.pass.cpp (revision 31cbe0f240f660f15602c96b787c58a26f17e179)
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 // UNSUPPORTED: c++03
10 
11 // <stack>
12 
13 // stack& operator=(stack&& q);
14 
15 #include <stack>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 #include "MoveOnly.h"
20 
21 
22 template <class C>
23 C
make(int n)24 make(int n)
25 {
26     C c;
27     for (int i = 0; i < n; ++i)
28         c.push_back(MoveOnly(i));
29     return c;
30 }
31 
32 
main(int,char **)33 int main(int, char**)
34 {
35     std::stack<MoveOnly> q(make<std::deque<MoveOnly> >(5));
36     std::stack<MoveOnly> q2;
37     q2 = std::move(q);
38     assert(q2.size() == 5);
39     assert(q.empty());
40 
41   return 0;
42 }
43