46 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#include <memory>16#include <cassert>17 18#include "../A.h"19 20void21test()22{23 {24 A* p1 = new A(1);25 const std::auto_ptr<A> ap1(p1);26 A* p2 = new A(2);27 std::auto_ptr<A> ap2(p2);28 assert(A::count == 2);29 assert(ap1.get() == p1);30 assert(ap2.get() == p2);31 std::auto_ptr<A>& apr = ap2 = ap1;32 assert(&apr == &ap2);33 assert(A::count == 1);34 assert(ap1.get() == 0);35 assert(ap2.get() == p1);36 }37 assert(A::count == 0);38}39 40int main(int, char**)41{42 test();43 44 return 0;45}46