def test_ordered_with_floats():
"""Test floats are returned properly."""
a = BST([1.8, 1.4, 1.9, 1.2])
b = a.ordered()
assert next(b) == 1.2
assert next(b) == 1.4
assert next(b) == 1.8
assert next(b) == 1.9
def test_ordered_stop_iteration():
"""Test that iteration stops."""
a = BST([1, 2, 4])
b = a.ordered()
with pytest.raises(StopIteration):
next(b)
next(b)
next(b)
next(b)
