def testbstClone(self):
bst = BinarySearchTree()
l = [8, 4, 2, 1, 3, 6, 5, 7, 12, 10, 9, 11, 14, 13, 15]
for d in l:
bst.insert(d)
clone = bst.bstClone()
self.assertTrue(bst.sameTree(clone))
def testSameTree(self):
treeOne = BinarySearchTree()
l = [8, 4, 2, 1, 3, 6, 5, 7, 12, 10, 9, 11, 14, 13, 15]
for d in l:
treeOne.insert(d)
treeTwo = BinarySearchTree()
for d in l:
treeTwo.insert(d)
self.assertTrue(treeOne.sameTree(treeTwo))
self.assertTrue(treeTwo.sameTree(treeOne))
treeTwo.insert(100)
self.assertFalse(treeTwo.sameTree(treeOne))
treeOne.insert(100)
self.assertTrue(treeTwo.sameTree(treeOne))
def testCreateBSTFromTwoTraversals(self):
inOrder = [1, 2, 3, 4, 5, 6 ,7 ,8 ,9, 10, 11, 12, 13, 14, 15]
preOrder = [8, 4, 2, 1, 3, 6, 5, 7, 12, 10, 9, 11, 14, 13, 15]
bstFromTraversals = BinarySearchTree.createBSTFromTwoTraversals(inOrder, preOrder, 0, len(inOrder)-1)
bst = BinarySearchTree()
l = [8, 12, 4, 14, 2, 6, 10, 9, 7, 5, 11, 13, 3, 1, 15]
for v in l:
bst.insert(v)
self.assertTrue(bst.sameTree(bstFromTraversals))
def testSpaceEfficientTraversal(self):
bstOne = BinarySearchTree()
l = [8, 4, 2, 1, 3, 6, 5, 7, 12, 10, 9, 11, 14, 13, 15]
for d in l:
bstOne.insert(d)
bstTwo = bstOne
clone = bstOne
genOne = bstTwo.spaceEfficientTraversal()
genTwo = bstOne.inOrder()
l.sort() # inOrder gives the elements in sorted Order always in BinaryTree
for i in l:
self.assertEqual(i, genOne.next())
self.assertEqual(i, genTwo.next())
#create a copyTree method in the API and use it to test the similarity[Deep Copy]
self.assertTrue(bstOne.sameTree(clone))
