1 // Copyright (C) 2005-2016 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 23 struct A { }; 24 25 // 2.2.3.5 shared_ptr observers [tr.util.smartptr.shared.obs] 26 27 // conversion to bool 28 int test01()29test01() 30 { 31 bool test __attribute__((unused)) = true; 32 33 const std::tr1::shared_ptr<A> p1; 34 VERIFY( bool(p1) == false ); 35 const std::tr1::shared_ptr<A> p2(p1); 36 VERIFY( bool(p2) == false ); 37 38 return 0; 39 } 40 41 int test02()42test02() 43 { 44 bool test __attribute__((unused)) = true; 45 46 std::tr1::shared_ptr<A> p1(new A); 47 VERIFY( p1 ); 48 std::tr1::shared_ptr<A> p2(p1); 49 VERIFY( p2 ); 50 p1.reset(); 51 VERIFY( !p1 ); 52 VERIFY( p2 ); 53 54 return 0; 55 } 56 57 int test03()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 ); 66 VERIFY( p2 ); 67 68 return 0; 69 } 70 71 72 int main()73main() 74 { 75 test01(); 76 test02(); 77 test03(); 78 return 0; 79 } 80