def test_simple_string3(self):
hex_string = "12ab45"
precursor, successor = split_into_sequences(hex_string)
self.assertEqual("12ab4", precursor)
self.assertEqual("2ab45", successor)
def test_positioning_and_sequencing_3(self):
hex_string = "4243"
hex_string = add_start_and_end_position(hex_string)
precursor, successor = split_into_sequences(hex_string)
self.assertEqual("04243", precursor)
self.assertEqual("42430", successor)
def test_simple_string1(self):
hex_string = "ab"
precursor, successor = split_into_sequences(hex_string)
self.assertEqual("a", precursor)
self.assertEqual("b", successor)