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Assumption that there are max number of levels 7 is wrong, a collision at the 7 level creates a collision node in the 8th level, this causes iteration to stop prematurely. for reproduction: PYTHONHASHSEED=0 python <<EOF import itertools import immutables import random seed=bbxe6xe2x82xe5xc1e
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I've created a new PR that adds a test #87 |
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Assumption that there are max number of levels 7 is wrong, a collision at the 7 level creates a collision node in the 8th level, this causes iteration to stop prematurely.
for reproduction (before the fix):
PYTHONHASHSEED=0 python <<EOF
import itertools
import immutables
import random
seed=b"b\xe6\xe2\x82\xe5\xc1e|"
r = random.Random(seed)
a = immutables.Map(
zip(
(r.randrange(0, 10000000000) for i in range(820000)),
itertools.repeat(None, 820000),
)
)
len1 = len(a)
len2 = len(tuple(a))
if len1 != len2:
print(f"BADDDD seed:{seed} len(a)={len1} len(tuple(a))={len2}")
EOF