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// Copyright (C) 2020-2022 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/>.
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
#include <algorithm>
#include <testsuite_hooks.h>
using std::signed_integral;
namespace ranges = std::ranges;
template<signed_integral T>
void
test01()
{
T i[] = { -1 };
T j[] = { 1 };
VERIFY( ranges::lexicographical_compare(i, j) );
VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( !ranges::lexicographical_compare(j, i) );
VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
template<signed_integral T>
void
test02()
{
T i[] = { -5 };
T j[] = { -5, 3 };
VERIFY( ranges::lexicographical_compare(i, j) );
VERIFY( ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( !ranges::lexicographical_compare(j, i) );
VERIFY( !ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
template<signed_integral T>
void
test03()
{
T i[] = { -10 };
T j[] = { -5, 3 };
VERIFY( ranges::lexicographical_compare(i, j) );
VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( !ranges::lexicographical_compare(j, i) );
VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
template<signed_integral T>
void
test04()
{
T i[] = { -2 };
T j[] = { -5, 3 };
VERIFY( !ranges::lexicographical_compare(i, j) );
VERIFY( ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( ranges::lexicographical_compare(j, i) );
VERIFY( !ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
void
test05()
{
unsigned i[] = { 1 };
unsigned j[] = { 256 };
VERIFY( ranges::lexicographical_compare(i, j) );
VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( !ranges::lexicographical_compare(j, i) );
VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
void
test06()
{
signed char i[] = { 100, 1 };
unsigned char j[] = { 100 };
VERIFY( !ranges::lexicographical_compare(i, j) );
VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( ranges::lexicographical_compare(j, i) );
VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
void
test07()
{
char i[] = { 95, 1 };
unsigned char j[] = { 100 };
VERIFY( ranges::lexicographical_compare(i, j) );
VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( !ranges::lexicographical_compare(j, i) );
VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
void
test08()
{
signed char i[] = { 112, 1 };
signed char j[] = { 87 };
VERIFY( !ranges::lexicographical_compare(i, j) );
VERIFY( ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( ranges::lexicographical_compare(j, i) );
VERIFY( !ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
void
test09()
{
char i[] = { 1 };
unsigned char j[] = { 100 };
VERIFY( ranges::lexicographical_compare(i, j) );
VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) );
VERIFY( !ranges::lexicographical_compare(j, i) );
VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) );
}
int
main()
{
test01<signed char>();
test01<int>();
test02<signed char>();
test02<int>();
test03<signed char>();
test03<int>();
test04<signed char>();
test04<int>();
test05();
test06();
test07();
test08();
test09();
}
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