- Issue #3537: Fix an assertion failure when an empty but presized dict
object was stored in the freelist. (backport from r65637.)
diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py
index 8da0915..4144692 100644
--- a/Lib/test/test_dict.py
+++ b/Lib/test/test_dict.py
@@ -454,6 +454,17 @@
else:
self.fail("missing KeyError")
+ def test_empty_presized_dict_in_freelist(self):
+ # Bug #3537: if an empty but presized dict with a size larger
+ # than 7 was in the freelist, it triggered an assertion failure
+ try:
+ d = {'a': 1/0, 'b': None, 'c': None, 'd': None, 'e': None,
+ 'f': None, 'g': None, 'h': None}
+ except ZeroDivisionError:
+ pass
+ d = {}
+
+
from test import mapping_tests