1// { dg-options "-std=gnu++11" } 2 3// Copyright (C) 2008-2015 Free Software Foundation, Inc. 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// 20.7.12.2 Template class shared_ptr [util.smartptr.shared] 21 22#include <memory> 23#include <functional> 24#include <testsuite_hooks.h> 25 26struct A { }; 27 28struct D { 29 typedef void result_type; 30 void operator()(A* p) { delete p; ++count; } 31 int count; 32}; 33 34 35// 20.7.12.2.1 shared_ptr constructors [util.smartptr.shared.const] 36 37// Construction from unique_ptr 38// See: http://gcc.gnu.org/ml/libstdc++/2008-09/msg00070.html. 39int 40test01() 41{ 42 bool test __attribute__((unused)) = true; 43 44 D d; 45 std::unique_ptr<A, D&> p1(new A, d); 46 47 std::shared_ptr<A> p2(std::move(p1)); 48 49 typedef std::reference_wrapper<D> D2; 50 D2* p3 = std::get_deleter<D2>(p2); 51 52 VERIFY( p3 != 0 ); 53 VERIFY( &p3->get() == &d ); 54 55 return 0; 56} 57 58int 59main() 60{ 61 test01(); 62 return 0; 63} 64