1// { dg-options "-std=gnu++0x" } 2 3// Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 20.6.6.2 Template class shared_ptr [util.smartptr.shared] 21 22#include <memory> 23#include <testsuite_hooks.h> 24 25struct A { }; 26struct B : A { }; 27 28 29// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] 30 31// Construction from pointer 32 33int 34test01() 35{ 36 bool test __attribute__((unused)) = true; 37 38 A * const a = 0; 39 std::shared_ptr<A> p(a); 40 VERIFY( p.get() == 0 ); 41 VERIFY( p.use_count() == 1 ); 42 43 return 0; 44} 45 46int 47test02() 48{ 49 bool test __attribute__((unused)) = true; 50 51 A * const a = new A; 52 std::shared_ptr<A> p(a); 53 VERIFY( p.get() == a ); 54 VERIFY( p.use_count() == 1 ); 55 56 return 0; 57} 58 59 60int 61test03() 62{ 63 bool test __attribute__((unused)) = true; 64 65 B * const b = new B; 66 std::shared_ptr<A> p(b); 67 VERIFY( p.get() == b ); 68 VERIFY( p.use_count() == 1 ); 69 70 return 0; 71} 72 73int 74main() 75{ 76 test01(); 77 test02(); 78 test02(); 79 return 0; 80} 81