cxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

26 lines
543 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. 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);
}