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-rw-r--r--Lib/test/test_re.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index c41722c..2107b3a 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -720,7 +720,11 @@ class ReTests(unittest.TestCase):
def test_dealloc(self):
# issue 3299: check for segfault in debug build
import _sre
- long_overflow = sys.maxsize + 2
+ # the overflow limit is different on wide and narrow builds and it
+ # depends on the definition of SRE_CODE (see sre.h).
+ # 2**128 should be big enough to overflow on both. For smaller values
+ # a RuntimeError is raised instead of OverflowError.
+ long_overflow = 2**128
self.assertRaises(TypeError, re.finditer, "a", {})
self.assertRaises(OverflowError, _sre.compile, "abc", 0, [long_overflow])