def test_multiplication():
five = Dollar(5)
assert Dollar(10) == five.times(2)
assert Dollar(15) == five.times(3)
def test_multiplication():
five = Dollar(5)
product = five.times(2)
assert 10 == product.amount
product = five.times(3)
assert 15 == product.amount
def test_multiplication():
five = Dollar(5)
five.times(2)
assert 10 == five.amount
def test_multiplication(self):
five = Dollar(5)
product = five.times(2)
self.assertEquals(10, product.amount)
product = five.times(3)
self.assertEquals(15, product.amount)
def test_multiplication():
five = Dollar(5, "USD")
assert Dollar(10, "USD") == five.times(2)
assert Dollar(15, "USD") == five.times(3)