def test_add_existing_value(self):
s = OrderedSet('abcdef')
prev = len(s)
s.add('a')
self.assertEqual(len(s), prev)
def test_add_existing_value(self):
s = OrderedSet("abcdef")
prev = len(s)
s.add("a")
self.assertEqual(len(s), prev)
def test_add_new_value(self):
s = OrderedSet('abcdef')
prev = len(s)
s.add('z')
self.assertEqual(len(s), prev + 1)
def test_add_new_value(self):
s = OrderedSet("abcdef")
prev = len(s)
s.add("z")
self.assertEqual(len(s), prev + 1)