Ruby学习笔记_单元测试

require "test/unit"

class BasicNumber
def initialize(number)
@number = number
end
def add(x)
@number + x
end
def multiply(x)
@number * x
end
end

class TC_MyTest  < Test::Unit::TestCase    #T必须大写,否则通不过
def test_add
n=BasicNumber.new(10)
assert_equal(14,n.add(4),"This test about add is failure!")
#14 期望值，n.add(4) 实际值，"This test about add is failure!" 出错时的提示。
end
def test_multiply
n=BasicNumber.new(10)
assert_equal(4,n.multiply(4),"This test about multiply is failure!")
end
end