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A comment on Ask HN: Why the Linux Kernel doesn't have unit tests?. Parent comment

Re:Ask HN: Why the Linux Kernel doesn't have unit tests? by GTP on Friday November 25, 2022 @12:07PM (#33744470)
I agree with the first part of your comment, but not the second. Achieving 100% code coverage is very hard and sometimes unreasonable. E.g. How do you test a GUI? I think that often it is better to write tests for the application logic and test a GUI by using it.
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