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https://github.com/donnemartin/interactive-coding-challenges.git
synced 2024-03-22 13:11:13 +08:00
39 lines
836 B
Python
39 lines
836 B
Python
from nose.tools import assert_equal
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from nose.tools import raises
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class TestBstValidate(object):
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@raises(Exception)
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def test_bst_validate_empty(self):
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validate_bst(None)
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def test_bst_validate(self):
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node = Node(5)
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insert(node, 8)
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insert(node, 5)
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insert(node, 6)
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insert(node, 4)
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insert(node, 7)
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assert_equal(validate_bst(node), True)
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root = Node(5)
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left = Node(5)
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right = Node(8)
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invalid = Node(20)
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root.left = left
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root.right = right
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root.left.right = invalid
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assert_equal(validate_bst(root), False)
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print('Success: test_bst_validate')
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def main():
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test = TestBstValidate()
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test.test_bst_validate_empty()
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test.test_bst_validate()
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if __name__ == '__main__':
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main() |