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 // unique_ptr
12 
13 // test reset
14 
15 #include <memory>
16 #include <cassert>
17 
18 #include "unique_ptr_test_helper.h"
19 
20 int main(int, char**) {
21   {
22     std::unique_ptr<A> p(new A);
23     assert(A::count == 1);
24     assert(B::count == 0);
25     A* i = p.get();
26     assert(i != nullptr);
27     p.reset(new B);
28     assert(A::count == 1);
29     assert(B::count == 1);
30   }
31   assert(A::count == 0);
32   assert(B::count == 0);
33   {
34     std::unique_ptr<A> p(new B);
35     assert(A::count == 1);
36     assert(B::count == 1);
37     A* i = p.get();
38     assert(i != nullptr);
39     p.reset(new B);
40     assert(A::count == 1);
41     assert(B::count == 1);
42   }
43   assert(A::count == 0);
44   assert(B::count == 0);
45 
46   return 0;
47 }
48