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Code Issues Projects Releases Packages Wiki Activity Actions 17

Issue #19018: The heapq.merge() function no longer suppresses IndexError

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Raymond Hettinger 2013-09-14 20:51:57 -07:00
parent 0a32d92bff
commit 46f5ca31d0
4 changed files with 23 additions and 5 deletions
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9
Lib/test/test_heapq.py
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@ -158,6 +158,15 @@ class TestHeap:
self.assertEqual(sorted(chain(*inputs)), list(self.module.merge(*inputs)))
self.assertEqual(list(self.module.merge()), [])
def test_merge_does_not_suppress_index_error(self):
# Issue 19018: Heapq.merge suppresses IndexError from user generator
def iterable():
s = list(range(10))
for i in range(20):
yield s[i] # IndexError when i > 10
with self.assertRaises(IndexError):
list(self.module.merge(iterable(), iterable()))
def test_merge_stability(self):
class Int(int):
pass