79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
// Copyright (C) 2020-2021 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 <utility>
|
|
#include <limits>
|
|
#include <testsuite_hooks.h>
|
|
|
|
void
|
|
test01()
|
|
{
|
|
unsigned int u = std::numeric_limits<unsigned int>::max();
|
|
int s = -1;
|
|
VERIFY( std::cmp_less(s, u) );
|
|
VERIFY( !std::cmp_less(u, s) );
|
|
u = (unsigned) std::numeric_limits<int>::max() + 1U;
|
|
VERIFY( std::cmp_less(s, u) );
|
|
VERIFY( !std::cmp_less(u, s) );
|
|
}
|
|
|
|
constexpr bool
|
|
test02()
|
|
{
|
|
unsigned int u = std::numeric_limits<unsigned int>::max();
|
|
int s = -1;
|
|
if (!std::cmp_less(s, u))
|
|
throw 1;
|
|
if (std::cmp_less(u, s))
|
|
throw 2;
|
|
return true;
|
|
}
|
|
|
|
void
|
|
test03()
|
|
{
|
|
short ss = -1;
|
|
int s = -1;
|
|
VERIFY( !std::cmp_less(s, ss) );
|
|
VERIFY( !std::cmp_less(ss, s) );
|
|
|
|
unsigned int u = (unsigned int) -1;
|
|
VERIFY( std::cmp_less(s, u) );
|
|
VERIFY( !std::cmp_less(u, s) );
|
|
VERIFY( std::cmp_less(ss, u) );
|
|
VERIFY( !std::cmp_less(u, ss) );
|
|
|
|
unsigned long long ul = (unsigned long long) -1;
|
|
VERIFY( std::cmp_less(s, ul) );
|
|
VERIFY( !std::cmp_less(ul, s) );
|
|
VERIFY( std::cmp_less(ss, ul) );
|
|
VERIFY( !std::cmp_less(ul, ss) );
|
|
VERIFY( std::cmp_less(u, ul) );
|
|
VERIFY( !std::cmp_less(ul, u) );
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
static_assert( test02() );
|
|
test03();
|
|
}
|