1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <memory>
10
11// template<class T> class weak_ptr
12
13// weak_ptr();
14
15#include <memory>
16#include <cassert>
17
18#include "test_macros.h"
19
20struct A;
21
22int main(int, char**)
23{
24 std::weak_ptr<A> p;
25 assert(p.use_count() == 0);
26
27 return 0;
28}
29

source code of libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp