1// Copyright (C) 2005 Free Software Foundation 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 2, 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 COPYING. If not, write to the Free 16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17// USA. 18 19// 2.2.5 Template class enable_shared_from_this [tr.util.smartptr.enab] 20 21#include <tr1/memory> 22#include <testsuite_hooks.h> 23 24struct X : public std::tr1::enable_shared_from_this<X> 25{ 26}; 27 28int 29test01() 30{ 31 bool test __attribute__((unused)) = true; 32 33 std::tr1::shared_ptr<X> p(new X); 34 35 *p = X(); // assigning to shared object doesn't stop it being shared 36 37 try 38 { 39 std::tr1::shared_ptr<X> p2 = p->shared_from_this(); 40 } 41 catch (const std::tr1::bad_weak_ptr&) 42 { 43 test = false; 44 } 45 VERIFY( test ); 46 47 return 0; 48} 49 50int 51main() 52{ 53 test01(); 54 return 0; 55} 56