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// { dg-options "-std=gnu++0x" }
// Copyright (C) 2008, 2009 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 Pred 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/>.
// 23.2.3.n forward_list xxx [lib.forward_list.xxx]
#include <forward_list>
#include <testsuite_hooks.h>
bool test __attribute__((unused)) = true;
// Comparison functor.
template<typename Num>
class Comp
{
public:
Comp(const Num & num)
{
n = num;
}
bool operator()(const Num i, const Num j)
{
return (n * i) < (n * j);
}
private:
Num n;
};
// This test verifies the following:
//
void
test01()
{
const unsigned int n = 13;
int order[][n] = {
{ 0,1,2,3,4,5,6,7,8,9,10,11,12 },
{ 6,2,8,4,11,1,12,7,3,9,5,0,10 },
{ 12,11,10,9,8,7,6,5,4,3,2,1,0 },
};
std::forward_list<int> sorted(order[0], order[0] + n);
for (unsigned int i = 0; i < sizeof(order)/sizeof(*order); ++i)
{
std::forward_list<int> head(order[i], order[i] + n);
head.sort();
VERIFY(head == sorted);
}
std::forward_list<int> reversed(order[2], order[2] + n);
for (unsigned int i = 0; i < sizeof(order)/sizeof(*order); ++i)
{
std::forward_list<int> head(order[i], order[i] + n);
Comp<int> comp(-1);
head.sort( comp );
VERIFY(head == reversed);
}
}
int
main()
{
test01();
return 0;
}
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