libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// template<class T> class weak_ptr

// weak_ptr();

#include <memory>
#include <cassert>

struct A;

int main()
{
    std::weak_ptr<A> p;
    assert(p.use_count() == 0);
}