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import unittest |
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3
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from pyalgs.data_structures.commons.binary_search_tree import BinarySearchTree |
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4
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5
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6
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class BinarySearchTreeUnitTest(unittest.TestCase): |
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7
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def test_binarySearchTree(self): |
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8
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bst = BinarySearchTree.create() |
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9
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10
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bst.put("one", 1) |
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11
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bst.put("two", 2) |
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12
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bst.put("three", 3) |
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bst.put("six", 6) |
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14
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bst.put("ten", 10) |
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bst.put("ten", 10) |
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self.assertEqual(1, bst.get("one")) |
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self.assertEqual(2, bst.get("two")) |
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self.assertEqual(3, bst.get("three")) |
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self.assertTrue(bst.contains_key("one")) |
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self.assertTrue(bst.contains_key("two")) |
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self.assertEqual(5, bst.size()) |
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self.assertFalse(bst.is_empty()) |
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bst.delete("one") |
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self.assertFalse(bst.contains_key("one")) |
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self.assertEqual(4, bst.size()) |
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30
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31
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bst.delete("ten") |
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32
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self.assertFalse(bst.contains_key("ten")) |
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self.assertEqual(3, bst.size()) |
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34
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35
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bst.delete("three") |
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self.assertFalse(bst.contains_key("three")) |
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self.assertEqual(2, bst.size()) |
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38
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39
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for i in range(100): |
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bst.put(str(i), i) |
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self.assertEqual(i, bst.get(str(i))) |
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43
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for key in bst.keys(): |
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print(key) |
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46
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for i in range(100): |
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bst.delete(str(i)) |
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self.assertFalse(bst.contains_key(str(i))) |
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49
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50
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51
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52
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53
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class RedBlackTreeUnitTest(unittest.TestCase): |
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def test_binarySearchTree(self): |
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bst = BinarySearchTree.create_red_black_tree() |
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57
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bst.put("one", 1) |
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bst.put("two", 2) |
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bst.put("three", 3) |
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bst.put("six", 6) |
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bst.put("ten", 10) |
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bst.put("ten", 10) |
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64
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self.assertEqual(1, bst.get("one")) |
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self.assertEqual(2, bst.get("two")) |
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self.assertEqual(3, bst.get("three")) |
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68
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self.assertTrue(bst.contains_key("one")) |
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69
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self.assertTrue(bst.contains_key("two")) |
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70
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71
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self.assertEqual(5, bst.size()) |
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72
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self.assertFalse(bst.is_empty()) |
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73
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74
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bst.delete("one") |
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self.assertFalse(bst.contains_key("one")) |
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self.assertEqual(4, bst.size()) |
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78
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bst.delete("ten") |
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self.assertFalse(bst.contains_key("ten")) |
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self.assertEqual(3, bst.size()) |
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81
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82
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bst.delete("three") |
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self.assertFalse(bst.contains_key("three")) |
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self.assertEqual(2, bst.size()) |
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85
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86
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for i in range(100): |
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bst.put(str(i), i) |
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self.assertEqual(i, bst.get(str(i))) |
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89
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90
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for key in bst.keys(): |
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91
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print(key) |
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92
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93
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for i in range(100): |
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bst.delete(str(i)) |
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95
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self.assertFalse(bst.contains_key(str(i))) |
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96
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97
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98
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if __name__ == '__main__': |
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99
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unittest.main() |
chen0040 /
pyalgs
