| // { dg-options "-std=gnu++0x" } |
| |
| // Copyright (C) 2005, 2006, 2007, 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 |
| { |
| virtual ~A() { } |
| }; |
| |
| struct B : A |
| { |
| }; |
| |
| // 20.6.6.2.6 shared_ptr comparison [util.smartptr.shared.cmp] |
| |
| int |
| test01() |
| { |
| // test empty shared_ptrs compare equivalent |
| std::shared_ptr<A> p1; |
| std::shared_ptr<B> p2; |
| VERIFY( p1 == p2 ); |
| VERIFY( !(p1 != p2) ); |
| VERIFY( !(p1 < p2) && !(p2 < p1) ); |
| return 0; |
| } |
| |
| |
| // Construction from pointer |
| int |
| test02() |
| { |
| std::shared_ptr<A> A_default; |
| |
| std::shared_ptr<A> A_from_A(new A); |
| VERIFY( A_default != A_from_A ); |
| VERIFY( !(A_default == A_from_A) ); |
| VERIFY( (A_default < A_from_A) || (A_from_A < A_default) ); |
| |
| std::shared_ptr<B> B_from_B(new B); |
| VERIFY( B_from_B != A_from_A ); |
| VERIFY( !(B_from_B == A_from_A) ); |
| VERIFY( (B_from_B < A_from_A) || (A_from_A < B_from_B) ); |
| |
| A_from_A.reset(); |
| VERIFY( A_default == A_from_A ); |
| VERIFY( !(A_default != A_from_A) ); |
| VERIFY( !(A_default < A_from_A) && !(A_from_A < A_default) ); |
| |
| B_from_B.reset(); |
| VERIFY( B_from_B == A_from_A ); |
| VERIFY( !(B_from_B != A_from_A) ); |
| VERIFY( !(B_from_B < A_from_A) && !(A_from_A < B_from_B) ); |
| |
| return 0; |
| } |
| |
| int |
| test03() |
| { |
| std::shared_ptr<A> p1; |
| |
| // check other operators are defined |
| VERIFY( p1 <= p1 ); |
| VERIFY( p1 >= p1 ); |
| VERIFY( !(p1 > p1) ); |
| |
| return 0; |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| return 0; |
| } |