nullptr_t_deleter_allocator.pass.cpp revision 1b92188a82b01e76ac6e8ad5f997293c2a078adc 
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
19struct A
20{
21    static int count;
22
23    A() {++count;}
24    A(const A&) {++count;}
25    ~A() {--count;}
26};
27
28int A::count = 0;
29
30int 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