def test_vertical_active_link_ids():
links = sgrid.vertical_active_link_ids((3, 4))
assert_array_equal(links, np.array([[0, 1], [2, 3]]))
links = sgrid.vertical_active_link_ids((1, 4))
expected = np.array([], ndmin=2, dtype=np.int64)
expected.shape = (0, 2)
assert_array_equal(expected, links)
links = sgrid.vertical_active_link_ids((4, 1))
expected.shape = (3, 0)
assert_array_equal(expected, links)
node_status = np.ones((4, 5), dtype=int)
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[0, 1, 2], [3, 4, 5], [6, 7, 8]]))
node_status = np.ones((4, 5), dtype=int)
node_status[1, 1] = 0
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[-1, 0, 1], [-1, 2, 3], [4, 5, 6]]))
node_status[2, 1] = 0
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[-1, 0, 1], [-1, 2, 3], [-1, 4, 5]]))
node_status[0, 0] = 0
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[-1, 0, 1], [-1, 2, 3], [-1, 4, 5]]))
def test_vertical_active_link_ids():
links = sgrid.vertical_active_link_ids((3, 4))
assert_array_equal(links, np.array([[0, 1], [2, 3]]))
links = sgrid.vertical_active_link_ids((1, 4))
expected = np.array([], ndmin=2, dtype=np.int64)
expected.shape = (0, 2)
assert_array_equal(expected, links)
links = sgrid.vertical_active_link_ids((4, 1))
expected.shape = (3, 0)
assert_array_equal(expected, links)
node_status = np.ones((4, 5), dtype=int)
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[0, 1, 2], [3, 4, 5], [6, 7, 8]]))
node_status = np.ones((4, 5), dtype=int)
node_status[1, 1] = 0
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[-1, 0, 1], [-1, 2, 3], [4, 5, 6]]))
node_status[2, 1] = 0
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[-1, 0, 1], [-1, 2, 3], [-1, 4, 5]]))
node_status[0, 0] = 0
links = sgrid.vertical_active_link_ids((4, 5), node_status=node_status)
assert_array_equal(links, np.array([[-1, 0, 1], [-1, 2, 3], [-1, 4, 5]]))