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#include <catch2/catch_all.hpp>
#include <libtcod/matrix.hpp>
TEST_CASE("Matrix basics") {
auto matrix = tcod::Matrix<int, 2>({2, 2});
REQUIRE(matrix.get_shape() == std::array<int, 2>{2, 2});
REQUIRE(matrix.at({0, 0}) == 0); // Matrix is zero-initialized.
REQUIRE(matrix.in_bounds({0, 0}));
matrix[{0, 0}] = 1;
matrix.at({1, 0}) = 2;
matrix.at({0, 1}) = 3;
matrix.at({1, 1}) = 4;
REQUIRE(matrix.get_container() == std::vector<int>{1, 2, 3, 4});
{
auto view = tcod::MatrixView<int, 2>{matrix};
REQUIRE(view[{0, 0}] == 1);
REQUIRE(view.at({1, 0}) == 2);
REQUIRE(view.at({0, 1}) == 3);
REQUIRE(view.at({1, 1}) == 4);
}
const auto const_matrix = tcod::Matrix<int, 2>({2, 2}, 7);
REQUIRE(const_matrix.at({1, 1}) == 7);
REQUIRE(const_matrix[{1, 1}] == 7);
{
auto view = tcod::MatrixView<const int, 2>{const_matrix};
REQUIRE(view[{1, 1}] == 7);
REQUIRE(view.at({1, 1}) == 7);
}
}
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