def main():
tree = BinaryTree(5)
print(tree)
tree + 3
print(tree)
tree + 7
print(tree)
tree + 1
print(tree)
print(repr(tree))
def setUp(self):
self.bst = BinaryTree()
def test_init(self):
result = BinaryTree(5)
self.assertEqual(len(result), 1)
self.assertEqual(result.root.data, 5)
self.assertEqual(result.root.left, None)
self.assertEqual(result.root.right, None)
def test_add(self):
result = BinaryTree(5)
result + 3
self.assertEqual(len(result), 2)
