如何测试或描述无限的可能性? [英] how to test or describe endless possibilities?

问题描述

使用伪代码的示例类:

class SumCalculator
  method calculate(int1, int2) returns int

什么是测试此问题的好方法?换句话说，我该如何描述自己需要的行为?

What is a good way to test this? In other words how should I describe the behavior I need?

test1: canDetermineSumOfTwoIntegers

或

test2: returnsSumOfTwoIntegers

或

test3: knowsFivePlusThreeIsEight

Test1和Test2似乎含糊不清，因此需要测试特定的计算，因此它并未真正描述所测试的内容.但是test3非常有限.

Test1 and Test2 seem vague and it would need to test a specific calculation, so it doesn't really describe what is being tested. Yet test3 is very limited.

什么是测试此类的好方法?

What is a good way to test such classes?

推荐答案

我将测试边界条件(max-int，min-int，零，正，负)和一些典型情况:

I would test the boundary conditions (max-int, min-int, zero, positive, negative) and some typical cases:

test1: sumOfPosAndPos
test2: sumOfPosAndNeg
test3: sumOfPosAndZero
test4: sumOfNegAndZero
test5: sumOfMaxIntAndMinInt

等

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