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bpo-39689: Do not test undefined casts to _Bool (GH-18964) 

- When casting to _Bool, arrays should only contain zeros or ones.
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Stefan Krah 2020-03-12 19:35:38 +01:00 committed by GitHub
parent fdcd53fe1a
commit 1ae9cde4b2
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Lib/test/test_buffer.py
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@ -2754,6 +2754,10 @@ class TestBufferProtocol(unittest.TestCase):
# be 1D, at least one format must be 'c', 'b' or 'B'. # be 1D, at least one format must be 'c', 'b' or 'B'.
for _tshape in gencastshapes(): for _tshape in gencastshapes():
for char in fmtdict['@']: for char in fmtdict['@']:
# Casts to _Bool are undefined if the source contains values
# other than 0 or 1.
if char == "?":
continue
tfmt = ('', '@')[randrange(2)] + char tfmt = ('', '@')[randrange(2)] + char
tsize = struct.calcsize(tfmt) tsize = struct.calcsize(tfmt)
n = prod(_tshape) * tsize n = prod(_tshape) * tsize