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 // template<class D, class A> shared_ptr(nullptr_t, D d, A a);
13 
14 #include <memory>
15 #include <cassert>
16 #include "../test_deleter.h"
17 #include "test_allocator.h"
18 
19 struct A
20 {
21     static int count;
22 
AA23     A() {++count;}
AA24     A(const A&) {++count;}
~AA25     ~A() {--count;}
26 };
27 
28 int A::count = 0;
29 
main()30 int main()
31 {
32     {
33     std::shared_ptr<A> p(nullptr, test_deleter<A>(3), test_allocator<A>(5));
34     assert(A::count == 0);
35     assert(p.use_count() == 1);
36     assert(p.get() == 0);
37     test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
38     assert(test_deleter<A>::count == 1);
39     assert(test_deleter<A>::dealloc_count == 0);
40     assert(d);
41     assert(d->state() == 3);
42     assert(test_allocator<A>::count == 1);
43     assert(test_allocator<A>::alloc_count == 1);
44     }
45     assert(A::count == 0);
46     assert(test_deleter<A>::count == 0);
47     assert(test_deleter<A>::dealloc_count == 1);
48     assert(test_allocator<A>::count == 0);
49     assert(test_allocator<A>::alloc_count == 0);
50 }
51