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authorAmaury Forgeot d'Arc <amauryfa@gmail.com>2008-07-31 22:56:02 (GMT)
committerAmaury Forgeot d'Arc <amauryfa@gmail.com>2008-07-31 22:56:02 (GMT)
commite19cadb427b6910930b50584bd9066ab5b198300 (patch)
tree318d34b82b72e35bfcf4df07991ca22efa58c730 /Lib
parenta986dfa927017d23c73c703ba848bd86b4424437 (diff)
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Correct one of the "MemoryError oddities":
the traceback would grow each time a MemoryError is raised.
Diffstat (limited to 'Lib')
-rw-r--r--Lib/test/test_exceptions.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 2b248e1..b742fce 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -596,6 +596,24 @@ class ExceptionTests(unittest.TestCase):
"Exception ValueError: ValueError() "
"in <class 'KeyError'> ignored\n")
+
+ def test_MemoryError(self):
+ # PyErr_NoMemory always raises the same exception instance.
+ # Check that the traceback is not doubled.
+ import traceback
+ def raiseMemError():
+ try:
+ "a" * (sys.maxsize // 2)
+ except MemoryError as e:
+ tb = e.__traceback__
+ else:
+ self.fail("Should have raises a MemoryError")
+ return traceback.format_tb(tb)
+
+ tb1 = raiseMemError()
+ tb2 = raiseMemError()
+ self.assertEqual(tb1, tb2)
+
def test_main():
run_unittest(ExceptionTests)