gcc/libstdc++-v3/testsuite/20_util/function_objects/constexpr.cc
2021-01-04 10:26:59 +01:00

77 lines
3.0 KiB
C++

// { dg-do compile { target c++14 } }
// Copyright (C) 2014-2021 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/>.
// 20.9.5-20.9.9
#include <functional>
static_assert(std::plus<int>()(1,2)==3, "");
static_assert(std::minus<int>()(3,2)==1, "");
static_assert(std::multiplies<int>()(3,2)==6, "");
static_assert(std::divides<int>()(6,2)==3, "");
static_assert(std::modulus<int>()(7,2)==1, "");
static_assert(std::negate<int>()(-5)==5, "");
static_assert(std::plus<void>()(1,2)==3, "");
static_assert(std::minus<void>()(3,2)==1, "");
static_assert(std::multiplies<void>()(3,2)==6, "");
static_assert(std::divides<void>()(6,2)==3, "");
static_assert(std::modulus<void>()(7,2)==1, "");
static_assert(std::negate<void>()(-5)==5, "");
static_assert(std::equal_to<int>()(2,2), "");
static_assert(std::not_equal_to<int>()(1,2), "");
static_assert(std::greater<int>()(2,1), "");
static_assert(std::less<int>()(1,2), "");
static_assert(std::greater_equal<int>()(2,2), "");
static_assert(std::less_equal<int>()(2,2), "");
static_assert(std::equal_to<void>()(2,2), "");
static_assert(std::not_equal_to<void>()(1,2), "");
static_assert(std::greater<void>()(2,1), "");
static_assert(std::less<void>()(1,2), "");
static_assert(std::greater_equal<void>()(2,2), "");
static_assert(std::less_equal<void>()(2,2), "");
static_assert(std::logical_and<int>()(1,1), "");
static_assert(std::logical_or<int>()(0,1), "");
static_assert(std::logical_not<int>()(0), "");
static_assert(std::logical_and<void>()(1,1), "");
static_assert(std::logical_or<void>()(0,1), "");
static_assert(std::logical_not<void>()(0), "");
static_assert(std::bit_and<int>()(3,2)==2, "");
static_assert(std::bit_or<int>()(1,2)==3, "");
static_assert(std::bit_xor<int>()(1,1)==0, "");
static_assert(std::bit_not<int>()(std::bit_not<int>()(0))==0, "");
static_assert(std::bit_and<void>()(3,2)==2, "");
static_assert(std::bit_or<void>()(1,2)==3, "");
static_assert(std::bit_xor<void>()(1,1)==0, "");
static_assert(std::bit_not<void>()(std::bit_not<void>()(0))==0, "");
static_assert(std::unary_negate<std::logical_not<int>>
(std::logical_not<int>())(1), "");
static_assert(std::not1(std::logical_not<int>())(1), "");
static_assert(std::binary_negate<std::logical_and<int>>
(std::logical_and<int>())(0,0), "");
static_assert(std::not2(std::logical_and<int>())(0,0), "");