1// Copyright (C) 2005-2015 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared] 19 20#include <tr1/memory> 21#include <testsuite_hooks.h> 22 23struct A { }; 24 25// 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs] 26 27// unique 28int 29test01() 30{ 31 bool test __attribute__((unused)) = true; 32 33 const std::tr1::shared_ptr<A> p1; 34 VERIFY( !p1.unique() ); 35 const std::tr1::shared_ptr<A> p2(p1); 36 VERIFY( !p1.unique() ); 37 38 return 0; 39} 40 41int 42test02() 43{ 44 bool test __attribute__((unused)) = true; 45 46 std::tr1::shared_ptr<A> p1(new A); 47 VERIFY( p1.unique() ); 48 std::tr1::shared_ptr<A> p2(p1); 49 VERIFY( !p1.unique() ); 50 p1.reset(); 51 VERIFY( !p1.unique() ); 52 VERIFY( p2.unique() ); 53 54 return 0; 55} 56 57int 58test03() 59{ 60 bool test __attribute__((unused)) = true; 61 62 std::tr1::shared_ptr<A> p1(new A); 63 std::tr1::shared_ptr<A> p2(p1); 64 p2.reset(new A); 65 VERIFY( p1.unique() ); 66 VERIFY( p2.unique() ); 67 68 return 0; 69} 70 71 72int 73main() 74{ 75 test01(); 76 test02(); 77 test03(); 78 return 0; 79} 80