def test_array_values(self):
php_array = phpfunctions.array(("a", "a"), ("b", "b"))
reindexed_array = phpfunctions.array_values(php_array)
self.assertEqual("a", reindexed_array[0])
self.assertEqual("b", reindexed_array[1])
self.assertRaises(KeyError, reindexed_array.__getitem__, "a")