unique.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
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// <memory>
11
12// shared_ptr
13
14// bool unique() const;
15
16#include <memory>
17#include <cassert>
18
19int main()
20{
21    const std::shared_ptr<int> p(new int(32));
22    assert(p.unique());
23    {
24    std::shared_ptr<int> p2 = p;
25    assert(!p.unique());
26    }
27    assert(p.unique());
28}
29