def test_calc_0_and_1(self):
self.assertEqual(calc(0,1),[1,-1,0,0])
def test_calc_4_and_2(self):
self.assertEqual(calc(4,2),[6,2,8,2])
def test_calc_n1_and_4(self):
self.assertEqual(calc(-1,4),[3,-5,-4,-0.25])
def test_check_main_tree_args(self):
self.assertEqual(calc([5, 1, 1]), 7)
def test_check_main_four_args(self):
self.assertEqual(calc([1, 5]), 4)
def test_calc_0_minus_5(self):
self.assertEqual(-5, calc("0-5", "-"))
def test_check_main(self):
self.assertEqual(calc([5, 1]), 6)
def test_sum_6_plus_10_plus_4(self):
self.assertEqual(5, calc("10-5", "-"))
def test_sum_6_plus_10_plus_4(self):
self.assertEqual(20, calc("6+10+4", "+"))
def test_sum_6_plus_10(self):
self.assertEqual(16, calc("6+10", "+"))
def test_sum_2_plus_3(self):
self.assertEqual(5, calc("2+3", "+"))
def test_sum_1_plus_3(self):
self.assertEqual(4, calc("1+3", "+"))
