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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <memory> 10 11 // template <class X> class auto_ptr; 12 13 // template<class Y> auto_ptr& operator=(auto_ptr<Y>& a) throw(); 14 15 // REQUIRES: c++03 || c++11 || c++14 16 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS 17 18 #include <memory> 19 #include <cassert> 20 21 #include "test_macros.h" 22 #include "../AB.h" 23 24 void test()25test() 26 { 27 { 28 B* p1 = new B(1); 29 std::auto_ptr<B> ap1(p1); 30 A* p2 = new A(2); 31 std::auto_ptr<A> ap2(p2); 32 assert(A::count == 2); 33 assert(B::count == 1); 34 assert(ap1.get() == p1); 35 assert(ap2.get() == p2); 36 std::auto_ptr<A>& apr = ap2 = ap1; 37 assert(&apr == &ap2); 38 assert(A::count == 1); 39 assert(B::count == 1); 40 assert(ap1.get() == 0); 41 assert(ap2.get() == p1); 42 } 43 assert(A::count == 0); 44 assert(B::count == 0); 45 } 46 main(int,char **)47int main(int, char**) 48 { 49 test(); 50 51 return 0; 52 } 53