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libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.obs/unique.pass.cpp

29 lines
628 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>
// shared_ptr
// bool unique() const;
#include <memory>
#include <cassert>
int main()
{
const std::shared_ptr<int> p(new int(32));
assert(p.unique());
{
std::shared_ptr<int> p2 = p;
assert(!p.unique());
}
assert(p.unique());
}