Correct one of the "MemoryError oddities":
the traceback would grow each time a MemoryError is raised.
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 @@
"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)