File: test_integral_constant.cpp

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/*
 * GridTools
 *
 * Copyright (c) 2014-2023, ETH Zurich
 * All rights reserved.
 *
 * Please, refer to the LICENSE file in the root directory.
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <gridtools/common/integral_constant.hpp>

namespace gridtools {
    namespace {
        using namespace literals;

        static_assert(0_c == 0);
        static_assert(42_c == 42);
        static_assert(-12345_c == -12345);

        static_assert(0b100_c == 0b100);
        static_assert(0100_c == 0100);
        static_assert(0xDEAD_c == 0xDEAD);

        static_assert(1'000_c == 1000);

        static_assert(2_c + 3_c == 5_c);

        static_assert(is_integral_constant<integral_constant<int, 42>>::value);
        static_assert(is_integral_constant<std::integral_constant<int, 42>>::value);
        static_assert(is_gr_integral_constant<integral_constant<int, 42>>::value);
        static_assert(!is_gr_integral_constant<std::integral_constant<int, 42>>::value);

        static_assert(std::is_same_v<to_integral_type_t<integral_constant<int, 42>>, int>);
        static_assert(std::is_same_v<to_integral_type_t<std::integral_constant<int, 42>>, int>);
        static_assert(std::is_same_v<to_integral_type_t<int>, int>);
    } // namespace
} // namespace gridtools