def test_reversed_polish_notation(self):
expect = [
'3', '5', '2', '2', '^', '*', '3', '1', '-', '/', '+', 'abs', '-2',
')', '-', 'pow', '1', '1', '+', ',', '1', '2', '*', '1', '+', ')',
'+'
]
actual = calc.to_postfix('3+5*2^2/(3-1)-abs(-2)+pow(1+1, 1*2+1)')
self.assertEqual(expect, actual)
def test_modulo_by_zero(self):
with self.assertRaises(calc.CalcError):
calc.calc_iteration(calc.to_postfix('3 % 0'), None)
def test_modulus(self):
expect = 7
actual = calc.calc_iteration(calc.to_postfix('29%11'), None)
self.assertEqual(expect, actual)
def test_division_by_zero(self):
with self.assertRaises(calc.CalcError):
calc.calc_iteration(calc.to_postfix('3 / 0'), None)
def test_division(self):
expect = 6
actual = calc.calc_iteration(calc.to_postfix('24/4'), None)
self.assertEqual(expect, actual)
def test_multiplication(self):
expect = 5
actual = calc.calc_iteration(calc.to_postfix('2.5*2'), None)
self.assertEqual(expect, actual)
def test_subtraction(self):
expect = 3
actual = calc.calc_iteration(calc.to_postfix('25-22'), None)
self.assertEqual(expect, actual)
def test_addition(self):
expect = 8.05
actual = calc.calc_iteration(calc.to_postfix('3.5+.5+2.75+1.3'), None)
self.assertEqual(expect, actual)
def test_comparison(self):
expect = True
actual = calc.calc_iteration(calc.to_postfix('2+3*5>=10+12/2'), None)
self.assertEqual(expect, actual)
def test_invalid_input(self):
with self.assertRaises(calc.CalcError):
calc.to_postfix('2+3+sin(45)+pov(2, 6)')
calc.to_postfix('1+2*3-4@')
calc.to_postfix('1-#/2')
calc.to_postfix('3*6>>5+7')
calc.to_postfix('./7+2')
calc.to_postfix('.7*(sin())')
calc.to_postfix('23+3+')
calc.to_postfix('abs(-)')
calc.correct_expression('')
calc.correct_expression('-')
def test_invalid_operators(self):
with self.assertRaises(calc.CalcError):
calc.to_postfix('1+2-*6-3')
calc.to_postfix('cos(*+30)/2+3')
def test_invalid_brackets(self):
with self.assertRaises(calc.CalcError):
calc.correct_expression('sin()+3')
calc.to_postfix('sin30(5-1)')
calc.to_postfix('(')
calc.to_postfix('1+2/3+5)-6')
def test_abs(self):
expect = 6
actual = calc.calc_iteration(calc.to_postfix('abs(-6)'), None)
self.assertEqual(expect, actual)
def test_round(self):
expect = 8
actual = calc.calc_iteration(calc.to_postfix('round(7.51)'), None)
self.assertEqual(expect, actual)
def test_power(self):
expect = 8
actual = calc.calc_iteration(calc.to_postfix('2^3'), None)
self.assertEqual(expect, actual)
def test_floor_division(self):
expect = 4
actual = calc.calc_iteration(calc.to_postfix('9//2'), None)
self.assertEqual(expect, actual)