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Fix crasher in unpacking assignments with star, where the size constraints

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Thomas Wouters 2008-03-14 17:16:59 +00:00
parent 4a983c550e
commit deef67481c
2 changed files with 27 additions and 0 deletions
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17
Lib/test/test_unpack_ex.py
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@ -143,6 +143,23 @@ Now some general starred expressions (all fail).
...
SyntaxError: can use starred expression only as assignment target
Some size constraints (all fail.)
>>> s = ", ".join("a%d" % i for i in range(1<<8)) + ", *rest = range(1<<8 + 1)"
>>> compile(s, 'test', 'exec') # doctest:+ELLIPSIS
Traceback (most recent call last):
...
SyntaxError: too many expressions in star-unpacking assignment
>>> s = ", ".join("a%d" % i for i in range(1<<8 + 1)) + ", *rest = range(1<<8 + 2)"
>>> compile(s, 'test', 'exec') # doctest:+ELLIPSIS
Traceback (most recent call last):
...
SyntaxError: too many expressions in star-unpacking assignment
(there is an additional limit, on the number of expressions after the
'*rest', but it's 1<<24 and testing it takes too much memory.)
"""
__test__ = {'doctests' : doctests}