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depth_tree_test.py
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executable file
·92 lines (90 loc) · 3.12 KB
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#!/usr/bin/env ipython
import unittest
from depth_tree import depth_tree, depth_node
class TestRbtree(unittest.TestCase):
def test_insert_one(self):
T = depth_tree([41])
self.wrap(T, 41, 0)
def test_insert_two(self):
T = depth_tree([41, 38])
self.wrap(T, 41, 0)
self.wrap(T, 38, 1)
def test_insert_three(self):
T = depth_tree([41, 38, 31])
self.wrap(T, 38, 0)
self.wrap(T, 31, 1)
self.wrap(T, 41, 1)
def test_insert_four(self):
T = depth_tree([41, 38, 31, 12])
self.wrap(T, 38, 0)
self.wrap(T, 31, 1)
self.wrap(T, 41, 1)
self.wrap(T, 12, 2)
def test_insert_five(self):
T = depth_tree([41, 38, 31, 12, 19])
self.wrap(T, 38, 0)
self.wrap(T, 19, 1)
self.wrap(T, 41, 1)
self.wrap(T, 12, 2)
self.wrap(T, 31, 2)
def test_insert_six(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
self.wrap(T, 38, 0)
self.wrap(T, 19, 1)
self.wrap(T, 41, 1)
self.wrap(T, 12, 2)
self.wrap(T, 31, 2)
self.wrap(T, 9, 3)
def test_delete_one(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
T.delete(T.iterative_tree_search(9))
self.wrap(T, 38, 0)
self.wrap(T, 19, 1)
self.wrap(T, 41, 1)
self.wrap(T, 12, 2)
self.wrap(T, 31, 2)
def test_delete_two(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
T.delete(T.iterative_tree_search(9))
T.delete(T.iterative_tree_search(12))
self.wrap(T, 38, 0)
self.wrap(T, 19, 1)
self.wrap(T, 41, 1)
self.wrap(T, 31, 2)
def test_delete_three(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
T.delete(T.iterative_tree_search(9))
T.delete(T.iterative_tree_search(12))
T.delete(T.iterative_tree_search(19))
self.wrap(T, 38, 0)
self.wrap(T, 31, 1)
self.wrap(T, 41, 1)
def test_delete_four(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
T.delete(T.iterative_tree_search(9))
T.delete(T.iterative_tree_search(12))
T.delete(T.iterative_tree_search(19))
T.delete(T.iterative_tree_search(31))
self.wrap(T, 38, 0)
self.wrap(T, 41, 1)
def test_delete_five(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
T.delete(T.iterative_tree_search(9))
T.delete(T.iterative_tree_search(12))
T.delete(T.iterative_tree_search(19))
T.delete(T.iterative_tree_search(31))
T.delete(T.iterative_tree_search(38))
self.wrap(T, 41, 0)
def test_delete_six(self):
T = depth_tree([41, 38, 31, 12, 19, 9])
T.delete(T.iterative_tree_search(9))
T.delete(T.iterative_tree_search(12))
T.delete(T.iterative_tree_search(19))
T.delete(T.iterative_tree_search(31))
T.delete(T.iterative_tree_search(38))
T.delete(T.iterative_tree_search(41))
self.assertEquals(T.nil.depth, -1)
def wrap(self, tree, node, depth):
self.assertEquals(tree.iterative_tree_search(node).depth, depth)
if __name__ == '__main__':
unittest.main()