def METHOD_NAME():
    rmg = RasterModelGrid((5, 4))
    assert_array_equal(rmg.active_adjacent_nodes_at_node[6], np.array([7, 10, 5, 2]))
    assert_array_equal(rmg.active_adjacent_nodes_at_node[-1], np.array([X, X, X, X]))
    assert_array_equal(rmg.active_adjacent_nodes_at_node[-2], np.array([X, X, X, 14]))