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 // template<class D> shared_ptr(nullptr_t, D d);
15 
16 #include <memory>
17 #include <cassert>
18 #include "../test_deleter.h"
19 
20 struct A
21 {
22     static int count;
23 
AA24     A() {++count;}
AA25     A(const A&) {++count;}
~AA26     ~A() {--count;}
27 };
28 
29 int A::count = 0;
30 
main()31 int main()
32 {
33     {
34     std::shared_ptr<A> p(nullptr, test_deleter<A>(3));
35     assert(A::count == 0);
36     assert(p.use_count() == 1);
37     assert(p.get() == 0);
38     test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
39     assert(test_deleter<A>::count == 1);
40     assert(test_deleter<A>::dealloc_count == 0);
41     assert(d);
42     assert(d->state() == 3);
43     }
44     assert(A::count == 0);
45     assert(test_deleter<A>::count == 0);
46     assert(test_deleter<A>::dealloc_count == 1);
47 }
48