def METHOD_NAME(self):
    input_stream = StringIO.StringIO(u"print 'nothing'\nprint u'über'\n")
    out = StringIO.StringIO()
    out_enc = codecs.getwriter("ascii")(out)
    err = StringIO.StringIO()
    ret = self.run_2to3_capture(["-"], input_stream, out_enc, err)
    self.assertEqual(ret, 0)
    output = out.getvalue()
    self.assertTrue("-print 'nothing'" in output)
    self.assertTrue("WARNING: couldn't encode <stdin>'s diff for "
                    "your terminal" in err.getvalue())