Author: Brian Kearns <bdkea...@gmail.com>
Branch: stdlib-2.7.6
Changeset: r69629:8903d4b0e55e
Date: 2014-03-02 21:13 -0500
http://bitbucket.org/pypy/pypy/changeset/8903d4b0e55e/
Log: add sre overflow test
diff --git a/pypy/module/_sre/test/test_app_sre.py
b/pypy/module/_sre/test/test_app_sre.py
--- a/pypy/module/_sre/test/test_app_sre.py
+++ b/pypy/module/_sre/test/test_app_sre.py
@@ -32,6 +32,10 @@
class AppTestSrePattern:
+ def setup_class(cls):
+ # This imports support_test_sre as the global "s"
+ init_app_test(cls, cls.space)
+
def test_copy(self):
# copy support is disabled by default in _sre.c
import re
@@ -48,6 +52,16 @@
assert 2 == p.groups
assert {"g": 2} == p.groupindex
+ def test_repeat_minmax_overflow(self):
+ import re
+ string = "x" * 100000
+ assert re.match(r".{%d}" % (self.s.MAXREPEAT - 1), string) is None
+ assert re.match(r".{,%d}" % (self.s.MAXREPEAT - 1), string).span() ==
(0, 100000)
+ assert re.match(r".{%d,}?" % (self.s.MAXREPEAT - 1), string) is None
+ raises(OverflowError, re.compile, r".{%d}" % self.s.MAXREPEAT)
+ raises(OverflowError, re.compile, r".{,%d}" % self.s.MAXREPEAT)
+ raises(OverflowError, re.compile, r".{%d,}?" % self.s.MAXREPEAT)
+
def test_match_none(self):
import re
p = re.compile("bla")
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