50 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// template <class X> class auto_ptr;12 13// auto_ptr& operator=(auto_ptr& a) throw();14 15// REQUIRES: c++03 || c++11 || c++1416// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS17 18#include <memory>19#include <cassert>20 21#include "test_macros.h"22#include "../A.h"23 24void25test()26{27 {28 A* p1 = new A(1);29 std::auto_ptr<A> ap1(p1);30 A* p2 = new A(2);31 std::auto_ptr<A> ap2(p2);32 assert(A::count == 2);33 assert(ap1.get() == p1);34 assert(ap2.get() == p2);35 std::auto_ptr<A>& apr = ap2 = ap1;36 assert(&apr == &ap2);37 assert(A::count == 1);38 assert(ap1.get() == 0);39 assert(ap2.get() == p1);40 }41 assert(A::count == 0);42}43 44int main(int, char**)45{46 test();47 48 return 0;49}50