Bug #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 cc3367f..aa36b09 100644
--- a/Lib/test/test_StringIO.py
+++ b/Lib/test/test_StringIO.py
@@ -120,6 +120,28 @@
class TestcStringIO(TestGenericStringIO):
MODULE = cStringIO
+ 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(unicode(self._line[:5]))
+ s = f.getvalue()
+ self.assertEqual(s, 'abcde')
+ self.assertEqual(type(s), types.StringType)
+
+ f = self.MODULE.StringIO(unicode(self._line[:5]))
+ s = f.getvalue()
+ self.assertEqual(s, 'abcde')
+ self.assertEqual(type(s), types.StringType)
+
+ self.assertRaises(UnicodeEncodeError, self.MODULE.StringIO,
+ unicode('\xf4', 'latin-1'))
+
import sys
if sys.platform.startswith('java'):
# Jython doesn't have a buffer object, so we just do a useless