2015-08-06 18:09:30 +08:00
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from nose.tools import assert_equal
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2016-06-26 10:13:15 +08:00
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from nose.tools import raises
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2015-08-06 18:09:30 +08:00
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class TestCheckBalance(object):
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2016-06-26 10:13:15 +08:00
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@raises(Exception)
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def test_check_balance_empty(self):
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2016-09-07 17:46:47 +08:00
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bst = BstBalance(None)
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bst.check_balance()
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2016-06-25 20:42:16 +08:00
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2016-06-26 10:13:15 +08:00
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def test_check_balance(self):
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2016-09-07 17:46:47 +08:00
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bst = BstBalance(Node(5))
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assert_equal(bst.check_balance(), True)
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bst.insert(3)
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bst.insert(8)
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bst.insert(1)
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bst.insert(4)
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assert_equal(bst.check_balance(), True)
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bst = BstBalance(Node(5))
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bst.insert(3)
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bst.insert(8)
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bst.insert(9)
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bst.insert(10)
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assert_equal(bst.check_balance(), False)
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bst = BstBalance(Node(3))
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bst.insert(2)
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bst.insert(1)
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bst.insert(5)
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bst.insert(4)
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bst.insert(6)
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bst.insert(7)
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assert_equal(bst.check_balance(), True)
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2015-10-10 13:24:01 +08:00
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2015-08-06 18:09:30 +08:00
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print('Success: test_check_balance')
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def main():
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test = TestCheckBalance()
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2016-06-26 10:13:15 +08:00
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test.test_check_balance_empty()
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2015-08-06 18:09:30 +08:00
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test.test_check_balance()
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if __name__ == '__main__':
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main()
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