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Issue 1881. Increased the stack limit from 500 to 1500. Also added

Browse source 
a test for this (and because of this test you'll see in stderr a
message that parser.c sends before raising MemoryError).
Thanks Ralf Schmitt.
This commit is contained in:
Facundo Batista 2008-02-23 12:01:13 +00:00
parent 7832d4d534
commit fc2d01032f
3 changed files with 21 additions and 1 deletions
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17
Lib/test/test_parser.py
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@ -480,11 +480,28 @@ class CompileTestCase(unittest.TestCase):
st = parser.suite('a = u"\u1"')
self.assertRaises(SyntaxError, parser.compilest, st)
class ParserStackLimitTestCase(unittest.TestCase):
"""try to push the parser to/over it's limits.
see http://bugs.python.org/issue1881 for a discussion
"""
def _nested_expression(self, level):
return "["*level+"]"*level
def test_deeply_nested_list(self):
e = self._nested_expression(99)
st = parser.expr(e)
st.compile()
def test_trigger_memory_error(self):
e = self._nested_expression(100)
self.assertRaises(MemoryError, parser.expr, e)
def test_main():
test_support.run_unittest(
RoundtripLegalSyntaxTestCase,
IllegalSyntaxTestCase,
CompileTestCase,
ParserStackLimitTestCase,
)