34 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <memory>10 11// shared_ptr12 13// bool unique() const; // deprecated in C++17, removed in C++2014 15// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX20_REMOVED_SHARED_PTR_UNIQUE16 17#include <memory>18#include <cassert>19 20#include "test_macros.h"21 22int main(int, char**)23{24 const std::shared_ptr<int> p(new int(32));25 assert(p.unique());26 {27 std::shared_ptr<int> p2 = p;28 assert(!p.unique());29 }30 assert(p.unique());31 32 return 0;33}34