def test_03(self):
with self.assertRaises(Exception):
self.assertEqual(evaluate(parse("True True")))
with self.assertRaises(Exception):
self.assertEqual(evaluate(parse("True False")))
with self.assertRaises(Exception):
self.assertEqual(evaluate(parse("False True")))
with self.assertRaises(Exception):
self.assertEqual(evaluate(parse("False False")))
def test_three_tokens_eval(self):
t = Token()
t.id = "*"
t.first = Token()
t.first.id = Types.NUMBER
t.first.value = 21
t.second = Token()
t.second.id = Types.NUMBER
t.second.value = 2
self.assertEqual(evaluate(t), 42)
def test_three_tokens_eval(self):
t = Token()
t.id = "+"
t.first = Token()
t.first.id = Types.NUMBER
t.first.value = 10
t.second = Token()
t.second.id = "*"
t.second.first = Token()
t.second.first.id = Types.NUMBER
t.second.first.value = 5
t.second.second = Token()
t.second.second.id = Types.NUMBER
t.second.second.value = 4
self.assertEqual(evaluate(t), 30)
def test_empty_program(self):
with self.assertRaises(Exception):
t = Token()
evaluate(t)
def test_06(self):
self.assertEqual(evaluate(parse("True or True")), True)
self.assertEqual(evaluate(parse("True or False")), True)
self.assertEqual(evaluate(parse("False or True")), True)
self.assertEqual(evaluate(parse("False or False")), False)
def test_05(self):
self.assertEqual(evaluate(parse("True and True")), True)
self.assertEqual(evaluate(parse("True and False")), False)
self.assertEqual(evaluate(parse("False and True")), False)
self.assertEqual(evaluate(parse("False and False")), False)
def test_04(self):
self.assertEqual(evaluate(parse("not True")), False)
self.assertEqual(evaluate(parse("not False")), True)
def test_02(self):
self.assertEqual(evaluate(parse("False")), False)
def test_01(self):
self.assertEqual(evaluate(parse("True")), True)
def test_03(self):
with self.assertRaises(Exception):
self.assertEqual(evaluate(parse("b")))
def test_02(self):
self.assertEqual(evaluate(parse("5 -> 6")), 6)
def test_01(self):
evaluate(parse("5 * 6 -> a"))
self.assertEqual(evaluate(parse("a")), 30)
def test_error_str05(self):
with self.assertRaises(Exception):
evaluate(parse("2 /"))