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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/sid_neighbor_table.hpp>
#include <array>
#include <cstddef>
#include <cstdint>
#include <gtest/gtest.h>
namespace gridtools::fn {
namespace {
using sid_neighbor_table::as_neighbor_table;
using edge_dim_t = integral_constant<int_t, 0>;
using edge_to_cell_dim_t = integral_constant<int_t, 1>;
TEST(sid_neighbor_table, correctness) {
constexpr std::size_t num_elements = 3;
constexpr std::size_t num_neighbors = 2;
const int contents[num_elements][num_neighbors] = {{0, 1}, {10, 11}, {20, 21}};
const auto table = as_neighbor_table<edge_dim_t, edge_to_cell_dim_t, num_neighbors>(contents);
auto [n00, n01] = neighbor_table::neighbors(table, 0);
auto [n10, n11] = neighbor_table::neighbors(table, 1);
auto [n20, n21] = neighbor_table::neighbors(table, 2);
EXPECT_EQ(n00, 0);
EXPECT_EQ(n01, 1);
EXPECT_EQ(n10, 10);
EXPECT_EQ(n11, 11);
EXPECT_EQ(n20, 20);
EXPECT_EQ(n21, 21);
}
} // namespace
} // namespace gridtools::fn
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