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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/fn/neighbor_table.hpp>
#include <array>
#include <tuple>
#include <gtest/gtest.h>
namespace gridtools::fn {
struct a_neighbor_table {};
std::array<int, 3> neighbor_table_neighbors(a_neighbor_table, int) { return {1, 2, 42}; }
static_assert(neighbor_table::is_neighbor_table<a_neighbor_table>());
static_assert(neighbor_table::is_neighbor_table<std::array<int, 3>[]>());
static_assert(neighbor_table::is_neighbor_table<std::tuple<int, int, int>[]>());
static_assert(!neighbor_table::is_neighbor_table<int>());
TEST(neighbor_table, smoke) {
std::array<int, 2> table[3] = {{1, 2}, {3, 4}, {4, 5}};
for (int i = 0; i < 3; ++i)
EXPECT_EQ(table[i], neighbor_table::neighbors(table, i));
}
} // namespace gridtools::fn
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