def test_testbookexample(self):
"""Tests an array containing keys from the tree from text."""
array = [
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53]
bst = atoBST(array)
self.assertTrue(verify(bst))
self.assertTrue(Node.getheight(bst) <= ceil(log(len(array), 2)))
def test_oneelementss(self):
"""Tests an array with only one key."""
array = [42, 42, 42, 42, 42, 42, 42, 42]
bst = atoBST(array)
self.assertTrue(verify(bst))
self.assertTrue(Node.getheight(bst) <= ceil(log(len(array), 2)))
def test_singleelement(self):
"""Tests a single-element tree."""
array = [42]
bst = atoBST(array)
self.assertTrue(verify(bst))
self.assertTrue(Node.getheight(bst) <= ceil(log(len(array), 2)))
def test_threeelements(self):
"""Tests 3-element array."""
array = [10, 42, 100]
bst = atoBST(array)
self.assertTrue(verify(bst))
self.assertTrue(Node.getheight(bst) <= ceil(log(len(array), 2)))
def test_null(self):
"""Tests a null tree."""
array = []
bst = atoBST(array)
self.assertTrue(verify(bst))
self.assertTrue(Node.getheight(bst) == -1)
