def test_RunLengthList_insertion_normalisation():
r1 = RunLengthList([(0, "foo"), (1, "bar")])
r2 = RunLengthList([(0, "foo"), (1, "bar")])
r1.insert_list_at(1, 2, r2)
assert r1.items() == [(0, "foo"), (2, "bar")], r1.items()
def test_inserted_list_gets_chopped_if_not_enough_length():
r1 = RunLengthList([(0, "foo"), (1, "bar")])
r2 = RunLengthList([(0, "baz"), (2, "qux")])
r1.insert_list_at(1, 1, r2)
assert r1.items() == [(0, "foo"), (1, "baz"), (2, "bar")]
def test_RunLengthList_insertion():
r1 = RunLengthList([(0, "foo"), (2, "qux")])
r2 = RunLengthList([(0, "bar"), (2, "baz")])
r1.insert_list_at(1, 3, r2)
assert r1.items() == [(0, "foo"), (1, "bar"), (3, "baz"), (4, "foo"), (5, "qux")], r1.items()
