1// { dg-options "-std=gnu++11" } 2 3// Copyright (C) 2012-2015 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// 20.7.2.2 Class template shared_ptr [util.smartptr.shared] 21 22#include <memory> 23#include <testsuite_hooks.h> 24 25int destroyed = 0; 26 27struct A : std::enable_shared_from_this<A> 28{ 29 ~A() { ++destroyed; } 30}; 31 32// 20.7.2.2.1 shared_ptr constructors [util.smartptr.shared.const] 33 34// Construction from unique_ptr<A[]> 35int 36test01() 37{ 38 bool test __attribute__((unused)) = true; 39 40 std::unique_ptr<A[]> up(new A[2]); 41 std::shared_ptr<A> sp(std::move(up)); 42 VERIFY( up.get() == 0 ); 43 VERIFY( sp.get() != 0 ); 44 VERIFY( sp.use_count() == 1 ); 45 46 VERIFY( sp->shared_from_this() != nullptr ); 47 48 sp.reset(); 49 VERIFY( destroyed == 2 ); 50 51 return 0; 52} 53 54int 55main() 56{ 57 test01(); 58 return 0; 59} 60