def test_false(self):
bt = BinaryTree()
for x in [4, 2, 6, 8, 1, 5]:
bt.add(x)
self.assertEqual(bt.contains(3), False)
self.assertEqual(bt.contains(7), False)
self.assertEqual(bt.contains(9), False)
def test_true(self):
bt = BinaryTree()
for x in [4, 2, 6, 8, 1, 5]:
bt.add(x)
self.assertEqual(bt.contains(4), True)
self.assertEqual(bt.contains(5), True)
self.assertEqual(bt.contains(6), True)
self.assertEqual(bt.contains(8), True)
def run_tests():
print("Running tests for Binary Search Tree")
bst = BinaryTree()
bst.insert(10)
bst.insert(5)
bst.insert(15)
bst.insert(2)
bst.insert(20)
bst.insert(12)
bst.insert(7)
print(bst)
assert(bst.contains(10))
assert(bst.contains(20))
assert(not bst.contains(50))
assert(not bst.contains(3))
assert(bst.contains(2))
assert(not bst.contains(1))
print("All tests passed!")
def main():
my_binary_tree = BinaryTree('A')
print(my_binary_tree)
print(repr(my_binary_tree))
my_binary_tree.add_val_l('B')
print(my_binary_tree)
print(repr(my_binary_tree))
my_binary_tree.add_val_l('C')
print(my_binary_tree)
print(repr(my_binary_tree))
my_binary_tree.add_val_l('D')
print(my_binary_tree)
print(repr(my_binary_tree))
my_binary_tree.add_val_r('E')
print(my_binary_tree)
print(repr(my_binary_tree))
my_binary_tree.add_val_r('F')
print(my_binary_tree)
print(repr(my_binary_tree))
if my_binary_tree.contains('E'):
# This should be the case:
print("This tree contains 'E'")
else:
print("This tree does not contain 'E'")
if my_binary_tree.contains('J'):
print("This tree contains 'J'")
else:
# This should be the case:
print("This tree does not contain 'J'")
def test_empty(self):
bt = BinaryTree()
self.assertEqual(bt.contains(3), False)
