def test_check_good_variable(self):
result = t.check_variables(' a = 7', 6)
self.assertEqual(result, None)
def test_check_bad_variable_O(self):
ex = 'line: 4, column: 3 name O is bad name'
result = t.check_variables(' O = 6', 4)
self.assertEqual(result, ex)
def test_check_bad_variable_l(self):
ex = 'line: 5, column: 3 name l is bad name'
result = t.check_variables(' l = 7', 5)
self.assertEqual(result, ex)
def test_check_bad_variable_I(self):
ex = 'line: 3, column: 3 name I is bad name'
result = t.check_variables(' I = 5', 3)
self.assertEqual(result, ex)
