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from fontTools.misc.treeTools import build_n_ary_tree
import pytest
@pytest.mark.parametrize(
"lst, n, expected",
[
([0], 2, [0]),
([0, 1], 2, [0, 1]),
([0, 1, 2], 2, [[0, 1], 2]),
([0, 1, 2], 3, [0, 1, 2]),
([0, 1, 2, 3], 2, [[0, 1], [2, 3]]),
([0, 1, 2, 3], 3, [[0, 1, 2], 3]),
([0, 1, 2, 3, 4], 3, [[0, 1, 2], 3, 4]),
([0, 1, 2, 3, 4, 5], 3, [[0, 1, 2], [3, 4, 5]]),
(list(range(7)), 3, [[0, 1, 2], [3, 4, 5], 6]),
(list(range(8)), 3, [[0, 1, 2], [3, 4, 5], [6, 7]]),
(list(range(9)), 3, [[0, 1, 2], [3, 4, 5], [6, 7, 8]]),
(list(range(10)), 3, [[[0, 1, 2], [3, 4, 5], [6, 7, 8]], 9]),
(list(range(11)), 3, [[[0, 1, 2], [3, 4, 5], [6, 7, 8]], 9, 10]),
(list(range(12)), 3, [[[0, 1, 2], [3, 4, 5], [6, 7, 8]], [9, 10, 11]]),
(list(range(13)), 3, [[[0, 1, 2], [3, 4, 5], [6, 7, 8]], [9, 10, 11], 12]),
(
list(range(14)),
3,
[[[0, 1, 2], [3, 4, 5], [6, 7, 8]], [[9, 10, 11], 12, 13]],
),
(
list(range(15)),
3,
[[[0, 1, 2], [3, 4, 5], [6, 7, 8]], [9, 10, 11], [12, 13, 14]],
),
(
list(range(16)),
3,
[[[0, 1, 2], [3, 4, 5], [6, 7, 8]], [[9, 10, 11], [12, 13, 14], 15]],
),
(
list(range(23)),
3,
[
[[0, 1, 2], [3, 4, 5], [6, 7, 8]],
[[9, 10, 11], [12, 13, 14], [15, 16, 17]],
[[18, 19, 20], 21, 22],
],
),
(
list(range(27)),
3,
[
[[0, 1, 2], [3, 4, 5], [6, 7, 8]],
[[9, 10, 11], [12, 13, 14], [15, 16, 17]],
[[18, 19, 20], [21, 22, 23], [24, 25, 26]],
],
),
(
list(range(28)),
3,
[
[
[[0, 1, 2], [3, 4, 5], [6, 7, 8]],
[[9, 10, 11], [12, 13, 14], [15, 16, 17]],
[[18, 19, 20], [21, 22, 23], [24, 25, 26]],
],
27,
],
),
(list(range(257)), 256, [list(range(256)), 256]),
(list(range(258)), 256, [list(range(256)), 256, 257]),
(list(range(512)), 256, [list(range(256)), list(range(256, 512))]),
(list(range(512 + 1)), 256, [list(range(256)), list(range(256, 512)), 512]),
(
list(range(256 ** 2)),
256,
[list(range(k * 256, k * 256 + 256)) for k in range(256)],
),
],
)
def test_build_n_ary_tree(lst, n, expected):
assert build_n_ary_tree(lst, n) == expected
|
