// { dg-options "-std=gnu++0x" } // Copyright (C) 2008, 2009 Free Software Foundation // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // 20.7.12.2 Template class shared_ptr [util.smartptr.shared] #include #include struct A { }; struct D { void operator()(A* p) const { delete p; ++count; } static int count; }; int D::count = 0; // 20.7.12.2.1 shared_ptr constructors [util.smartptr.shared.const] // Construction from unique_ptr int test01() { bool test __attribute__((unused)) = true; std::unique_ptr up(new A, D()); { std::shared_ptr sp(std::move(up)); VERIFY( up.get() == 0 ); VERIFY( sp.get() != 0 ); VERIFY( sp.use_count() == 1 ); } VERIFY( D::count == 1 ); return 0; } int main() { test01(); return 0; }