def testAddThree(self):
     S = RPNCalculator()
     S.push(5)
     S.push(3)
     S.push(7)
     S.add()
     S.add()
     self.assertEqual(str(S), '[15*]')
 def testAddThree(self):
     S = RPNCalculator()
     S.push(5)
     S.push(3)
     S.push(7)
     S.add()
     S.add()
     self.assertEqual(str(S), '[15*]')
 def testAddFloat(self):
     S = RPNCalculator()
     S.push(5.5)
     S.push(3.75)
     S.add()
     self.assertEqual(str(S), '[9.25*]')
 def testAddInt(self):
     S = RPNCalculator()
     S.push(5)
     S.push(3)
     S.add()
     self.assertEqual(str(S), '[8*]')
 def testAddFloat(self):
     S = RPNCalculator()
     S.push(5.5)
     S.push(3.75)
     S.add()
     self.assertEqual(str(S), '[9.25*]')
 def testAddInt(self):
     S = RPNCalculator()
     S.push(5)
     S.push(3)
     S.add()
     self.assertEqual(str(S), '[8*]')