Mercurial > cpython-lru_cache-weakref

diff Lib/test/test_array.py @ 55115:a76b34cfc897

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Fix array.extend and array.__iadd__ to handle the case where an array is extended with itself. This bug is specific the py3k version of arraymodule.c
author Alexandre Vassalotti <alexandre@peadrop.com>
date Sun, 05 Jul 2009 06:25:14 +0000
parents ab434f0dcb15
children 7bb7758e6d64
line wrap: on
line diff
--- a/Lib/test/test_array.py	Sun Jul 05 05:47:28 2009 +0000
+++ b/Lib/test/test_array.py	Sun Jul 05 06:25:14 2009 +0000
@@ -272,6 +272,12 @@
             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 @@
             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)