April 2017
Beginner
504 pages
14h 11m
English
Content preview from Java 9 Programming By Example
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Unit tests cover the code
Unit tests should test all usual and also all special cases of the functionality. If there is a special case of code that is not covered by the unit test, the code is in danger. In case of a sort implementation, the general case is sorting, say five elements. The special cases are much more numerous usually. How does our code behave if there is only one element or if there are no elements? What if there are two? What if the elements are in reverse order? What if they are already sorted?
Usually, the special cases are not defined in the specification. The programmer has to think about it before coding, and some special cases are discovered during coding. The hard thing is that you just cannot tell if you covered all ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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