def test_multipoint():
tree = CellTree(nodes21, faces21)
points = [ (4.2, 3.0),
(7.7, 13.5),
(3.4, 7.000000001),
(7.0, 5.0), # out of bounds points
(8.66, 10.99),
(7.3, 0.74),
(2.5, 5.5),
(9.8, 12.3),
]
correct_indexes = (1, 20, 7, -1, -1, -1, -1, -1)
ind = tree.multi_locate(points)
assert np.array_equal(ind, correct_indexes)
