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// { 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;
}
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