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If I had the following code

public static <T> int count(List<T> list, T elem) {
  int count = 0; // the result
  for (int i=0; i < list.size(); i++) {
  if (list.get(i).equals(elem))
  count++;
  }
 return count;
}

Lets say I need to run a black box test,

Like so,

Input

[null], null Output should be 0

Firstly, is this a worthwhile test case? ( for black box testing)

If not,

Then I ask, are null values worth while tests for black box testing in any case?(in general)

Thanks

4

1 回答 1

2

代码对空输入的反应是应该记录和测试的,是的。

于 2013-06-01T02:33:34.923 回答