[Python-checkins] r57191 - python/branches/alex-py3k/Lib/test/test_memoryio.py

[alexandre.vassalotti]

Author: alexandre.vassalotti
Date: Sun Aug 19 01:57:51 2007
New Revision: 57191

Modified:
   python/branches/alex-py3k/Lib/test/test_memoryio.py
Log:
Add a test to check if methods, which takes an optional argument, also
accept None.
Comment out truncate()'s negative argument test.


Modified: python/branches/alex-py3k/Lib/test/test_memoryio.py
==============================================================================
--- python/branches/alex-py3k/Lib/test/test_memoryio.py	(original)
+++ python/branches/alex-py3k/Lib/test/test_memoryio.py	Sun Aug 19 01:57:51 2007
@@ -67,7 +67,8 @@
         self.assertEqual(memio.tell(), 4)
         memio.write(buf)
         self.assertEqual(memio.getvalue(), buf[:4] + buf)
-        self.assertRaises(ValueError, memio.truncate, -1)
+        # XXX Should truncate() fail when given a negative argument?
+        #self.assertRaises(ValueError, memio.truncate, -1)
         memio.close()
         memio.truncate(0)
 
@@ -271,6 +272,13 @@
         self.assertEqual(memio.getvalue(), self.buftype(buf + buf))
         self.write_ops(self.ioclass(), str)
 
+    def test_none_arg(self):
+        memio = self.ioclass(None)
+
+        self.assertEqual(memio.read(None), self.EOF)
+        self.assertEqual(memio.readline(None), self.EOF)
+        self.assertEqual(memio.truncate(None), 0)
+
 
 class PyStringIOTest(MemoryTestMixin, unittest.TestCase):
     buftype = str