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 // unique_ptr
13 
14 // Test unique_ptr default ctor
15 
16 // default unique_ptr ctor should only require default Deleter ctor
17 
18 #include <memory>
19 #include <cassert>
20 
21 class Deleter
22 {
23     int state_;
24 
25     Deleter(Deleter&);
26     Deleter& operator=(Deleter&);
27 
28 public:
Deleter()29     Deleter() : state_(5) {}
30 
state() const31     int state() const {return state_;}
32 
operator ()(void *)33     void operator()(void*) {}
34 };
35 
main()36 int main()
37 {
38     {
39     std::unique_ptr<int[]> p;
40     assert(p.get() == 0);
41     }
42     {
43     std::unique_ptr<int[], Deleter> p;
44     assert(p.get() == 0);
45     assert(p.get_deleter().state() == 5);
46     }
47 }
48