def test_map_of_seq(xs: Dict[str, int]):
items: ItemsView[str, int] = xs.items()
m = map.of_seq(items)
assert len(m) == len(xs)
def test_map_to_seq(xs: Dict[str, int]):
items: ItemsView[str, int] = xs.items()
ys = map.of_seq(items).to_seq()
assert sorted(list(items)) == list(ys)
def test_map_to_list_fluent(xs: Dict[str, int]):
items: ItemsView[str, int] = xs.items()
ys = map.of_seq(items).to_list()
assert sorted(xs.items()) == sorted(ys)