def METHOD_NAME(self):
    self.failUnlessEqual(self.s.can_change(), True)
    self.failUnlessEqual(self.s.can_change("~"), False)
    self.failUnlessEqual(self.s.can_change("a"), False)
    self.failUnlessEqual(self.s.can_change("OggS"), True)
    self.failUnlessEqual(self.s.can_change("\xc3\xa4\xc3\xb6"), False)
    self.failUnlessEqual(self.s.can_change("sUbtitle"), False)
    self.failUnlessEqual(self.s.can_change("indeX"), False)
    self.failUnlessEqual(self.s.can_change("yEar"), False)