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[3.14] gh-140474: Fix memory leak in array.array (GH-140478) (GH-140498)

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gh-140474: Fix memory leak in `array.array` (GH-140478)
(cherry picked from commit aa9d0a61d5)

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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Miss Islington (bot) 2025-10-23 12:20:16 +02:00 • committed by GitHub
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commit 0fdae5f590
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8
Lib/test/test_array.py
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@ -1255,6 +1255,14 @@ def test_typecode_u_deprecation(self):
with self.assertWarns(DeprecationWarning):
array.array("u")
def test_empty_string_mem_leak_gh140474(self):
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
for _ in range(1000):
a = array.array('u', '')
self.assertEqual(len(a), 0)
self.assertEqual(a.typecode, 'u')
class UCS4Test(UnicodeTest):
typecode = 'w'