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 // <memory>
10 
11 // shared_ptr
12 
13 // bool unique() const;
14 
15 #include <memory>
16 #include <cassert>
17 
18 int main(int, char**)
19 {
20     const std::shared_ptr<int> p(new int(32));
21     assert(p.unique());
22     {
23     std::shared_ptr<int> p2 = p;
24     assert(!p.unique());
25     }
26     assert(p.unique());
27 
28   return 0;
29 }
30