def test_read_marker_should_advance_over_marker_and_value(self):
(_, rest) = read_marker("u", "1234u")
self.assertEqual(rest, "")
def test_read_marker_should_not_advance_if_no_marker(self):
marker_value["u"] = 12
(_, rest) = read_marker("u", "14f")
self.assertEqual(rest, "14f")
def test_read_marker_should_use_previous_value_if_no_explicit_value(self):
marker_value["u"] = 12
(value, _) = read_marker("u", "14f")
self.assertEqual(value, 12)
def test_read_marker_should_use_zero_if_no_marker(self):
(value, _) = read_marker("u", "u")
self.assertEqual(value, 0)
def test_read_marker_should_read_explicit_value(self):
(value, _) = read_marker("u", "12u")
self.assertEqual(value, 12)