Issue #1548891: The cStringIO.StringIO() constructor now encodes unicode
arguments with the system default encoding just like the write() method
does, instead of converting it to a raw buffer.
diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py
index 1459e61..bf0c733 100644
--- a/Lib/test/test_StringIO.py
+++ b/Lib/test/test_StringIO.py
@@ -134,6 +134,27 @@
f = self.MODULE.StringIO(a)
self.assertEqual(f.getvalue(), '\x00\x01\x02')
+ def test_unicode(self):
+
+ if not test_support.have_unicode: return
+
+ # The cStringIO module converts Unicode strings to character
+ # strings when writing them to cStringIO objects.
+ # Check that this works.
+
+ f = self.MODULE.StringIO()
+ f.write(u'abcde')
+ s = f.getvalue()
+ self.assertEqual(s, 'abcde')
+ self.assertEqual(type(s), str)
+
+ f = self.MODULE.StringIO(u'abcde')
+ s = f.getvalue()
+ self.assertEqual(s, 'abcde')
+ self.assertEqual(type(s), str)
+
+ self.assertRaises(UnicodeEncodeError, self.MODULE.StringIO, u'\xf4')
+
import sys
if sys.platform.startswith('java'):