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// { dg-options "-std=gnu++11" }
// 2010-03-25 Paolo Carlini <paolo.carlini@oracle.com>
// Copyright (C) 2010-2015 Free Software Foundation, Inc.
//
// 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/>.
#include <unordered_set>
#include <testsuite_hooks.h>
void test01()
{
bool test __attribute__((unused)) = true;
std::unordered_set<int> us1, us2;
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(1);
us2.insert(1);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(2);
us2.insert(2);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(1);
us2.insert(1);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(3);
VERIFY( us1 != us2 );
VERIFY( !(us1 == us2) );
us2.insert(3);
VERIFY( (us1 == us2) );
VERIFY( !(us1 != us2) );
us2.clear();
VERIFY( us1 != us2 );
VERIFY( !(us1 == us2) );
us1.clear();
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(1);
us2.insert(2);
VERIFY( us1 != us2 );
VERIFY( !(us1 == us2) );
us1.insert(2);
us2.insert(1);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(3);
us2.insert(4);
VERIFY( us1 != us2 );
VERIFY( !(us1 == us2) );
us1.insert(4);
VERIFY( us1 != us2 );
VERIFY( !(us1 == us2) );
us2.insert(3);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(1);
us2.insert(1);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
us1.insert(4);
us2.insert(4);
VERIFY( us1 == us2 );
VERIFY( !(us1 != us2) );
const std::unordered_set<int> cus1(us1), cus2(us2);
VERIFY( cus1 == cus2 );
VERIFY( !(cus1 != cus2) );
VERIFY( cus1 == us2 );
VERIFY( !(us1 != cus2) );
}
int main()
{
test01();
return 0;
}
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