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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [shared_ptr/] [observers/] [unique.cc] - Rev 742
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// { dg-options "-std=gnu++0x" } // Copyright (C) 2005, 2006, 2007, 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 // <http://www.gnu.org/licenses/>. // 20.6.6.2 Template class shared_ptr [util.smartptr.shared] #include <memory> #include <testsuite_hooks.h> struct A { }; // 20.6.6.2.5 shared_ptr observers [util.smartptr.shared.obs] // unique void test01() { bool test __attribute__((unused)) = true; const std::shared_ptr<A> p1; VERIFY( !p1.unique() ); const std::shared_ptr<A> p2(p1); VERIFY( !p1.unique() ); } void test02() { bool test __attribute__((unused)) = true; std::shared_ptr<A> p1(new A); VERIFY( p1.unique() ); std::shared_ptr<A> p2(p1); VERIFY( !p1.unique() ); p1.reset(); VERIFY( !p1.unique() ); VERIFY( p2.unique() ); } void test03() { bool test __attribute__((unused)) = true; std::shared_ptr<A> p1(new A); std::shared_ptr<A> p2(p1); p2.reset(new A); VERIFY( p1.unique() ); VERIFY( p2.unique() ); } int main() { test01(); test02(); test03(); return 0; }