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Fix array.extend and array.__iadd__ to handle the case where an array

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is extended with itself.

This bug is specific the py3k version of arraymodule.c
This commit is contained in:
Alexandre Vassalotti 2009-07-05 06:25:14 +00:00
parent b78637a5bc
commit e503cf9b0e
2 changed files with 18 additions and 3 deletions
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13
Lib/test/test_array.py
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@ -272,6 +272,12 @@ class BaseTest(unittest.TestCase):
a,
array.array(self.typecode, self.example[::-1]+2*self.example)
)
a = array.array(self.typecode, self.example)
a += a
self.assertEqual(
a,
array.array(self.typecode, self.example + self.example)
)
b = array.array(self.badtypecode())
self.assertRaises(TypeError, a.__add__, b)
@ -667,6 +673,13 @@ class BaseTest(unittest.TestCase):
array.array(self.typecode, self.example+self.example[::-1])
)
a = array.array(self.typecode, self.example)
a.extend(a)
self.assertEqual(
a,
array.array(self.typecode, self.example+self.example)
)
b = array.array(self.badtypecode())
self.assertRaises(TypeError, a.extend, b)