def testAdd(self):
c = Calculator()
a = 9
b = 10
s = 19 #期望结果
sum = c.add(a, b) #实际结果
self.assertEquals(s, sum)
def testSub(self):
c = Calculator()
a = 9
b = 10
s = -1 # 期望结果
sum = c.sub(a, b)
self.assertEquals(s, sum)
def testMul(self):
c = Calculator()
a = 9
b = 10
s = 90 # 期望结果
sum = c.mul(a, b)
self.assertEquals(s, sum)
def testDiv(self):
c = Calculator()
a = 9
b = 10
s = 0.9 # 期望结果
sum = c.div(a, b)
self.assertEquals(s, sum)