def test_add_and_search(size, step):
tree = Tree()
for element in range(0, size, step):
tree.add(element)
for element in range(0, size, step):
assert tree.search(element)
for element in range(10000, 10010):
assert not tree.search(element)
def test_add_and_order(size, step):
tree = Tree()
for element in range(0, size, step):
tree.add(element)
assert tree.inorder() == list(range(0, size, step))