def test_raise_unresolved_type(self):
        with self.assertRaises(BracketValidationError) as e:
            validate(3454)
        self.assertEqual(BracketValidationError.UNRESOLVED_TYPE_MSG,
                         str(e.exception))


# end
 def test_fail_7(self):
     self.assertFalse(validate('}([]'))
 def test_fail_6(self):
     self.assertFalse(validate('[[({'))
 def test_fail_5(self):
     self.assertFalse(validate('}]))'))
 def test_success_4(self):
     self.assertTrue(validate('{()[]{}}'))
 def test_raise_unresolved_symbols(self):
     with self.assertRaises(BracketValidationError) as e:
         validate('f()]l')
     self.assertEqual(BracketValidationError.UNRESOLVED_SYMBOLS_MSG,
                      str(e.exception))
 def test_raise_none(self):
     with self.assertRaises(BracketValidationError) as e:
         validate(None)
     self.assertEqual(BracketValidationError.UNRESOLVED_TYPE_MSG,
                      str(e.exception))
 def test_fail_10(self):
     self.assertFalse(validate('({}[]['))
 def test_odd_length_3(self):
     self.assertFalse(validate('{[()]}}'))
 def test_odd_length_2(self):
     self.assertFalse(validate('()]'))
 def test_success_8(self):
     self.assertTrue(validate('{{[()]}}'))
 def test_success_7(self):
     self.assertTrue(validate('[{}({})]'))
 def test_success_6(self):
     self.assertTrue(validate('[]{}()'))
 def test_success_5(self):
     self.assertTrue(validate('{[()]}{[()]}{}'))
 def test_fail_8(self):
     self.assertFalse(validate('{}[('))
 def test_fail_9(self):
     self.assertFalse(validate('({)[}]'))
 def test_fail_1(self):
     self.assertFalse(validate('{([]})'))
 def test_raise_empty(self):
     with self.assertRaises(BracketValidationError) as e:
         validate('')
     self.assertEqual(BracketValidationError.EMPTY_STRING_MSG,
                      str(e.exception))
 def test_fail_2(self):
     self.assertFalse(validate('[]{}()(]'))
 def test_success_1(self):
     self.assertTrue(validate('()'))
 def test_fail_3(self):
     self.assertFalse(validate('[[[['))
 def test_fail_4(self):
     self.assertFalse(validate('))))'))
 def test_success_3(self):
     self.assertTrue(validate('[()()]'))