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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
// <functional>
// greater
#include <functional>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "pointer_comparison_test_helper.h"
int main(int, char**)
{
typedef std::greater<int> F;
const F f = F();
#if TEST_STD_VER <= 17
static_assert((std::is_same<int, F::first_argument_type>::value), "" );
static_assert((std::is_same<int, F::second_argument_type>::value), "" );
static_assert((std::is_same<bool, F::result_type>::value), "" );
#endif
assert(!f(36, 36));
assert(f(36, 6));
assert(!f(6, 36));
{
// test total ordering of int* for greater<int*> and
// greater<void>.
do_pointer_comparison_test<std::greater>();
}
#if TEST_STD_VER > 11
typedef std::greater<> F2;
const F2 f2 = F2();
assert(!f2(36, 36));
assert(f2(36, 6));
assert(!f2(6, 36));
assert( f2(36, 6.0));
assert( f2(36.0, 6));
assert(!f2(6, 36.0));
assert(!f2(6.0, 36));
constexpr bool foo = std::greater<int> () (36, 36);
static_assert ( !foo, "" );
constexpr bool bar = std::greater<> () (36.0, 36);
static_assert ( !bar, "" );
#endif
return 0;
}
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