def test_to_infix_2(self):
sequence = [1, 2, '+', 3, '*', 4, '+', 5, '/']
sf = SuffixFormula()
for s in sequence:
sf.push(s)
self.assertEqual(sf.to_infix(), "(4 + (3 * (1 + 2))) / 5")
def test_to_infix_1(self):
sequence = [1, 2, 3, 4, '*', '*', '*']
sf = SuffixFormula()
for s in sequence:
sf.push(s)
self.assertEqual(sf.to_infix(), "1 * (2 * (3 * 4))")