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From Nirmal Fernando <nirmal070...@gmail.com>
Subject Re: 'derbyall' test run failed
Date Sun, 25 Apr 2010 16:01:00 GMT
Thank you Bryan.

I will remove all the print statements and give it a try.


On Sun, Apr 25, 2010 at 9:25 PM, Bryan Pendleton
<bpendleton.derby@gmail.com> wrote:
>> I ran the test with some System.out.println(....) added to the code,
>> but not with modifications for functionalities. Will that have an
>> impact on failures of tests?
>
> Yes, these tests are very sensitive to that sort of a change. The tests
> in the derbyall suite tend to:
>  - run a script through "ij", capturing the output
>  - diff the output against the expected output
>
> So if you change the output of ij by inserting print statements, your
> print statements will cause diffs, as you have found.
>
> Sometimes I insert print statements and run the tests like this
> intentionally, in order to uncover test scenarios which exercise
> the particular code that I'm interested in. Then, after running
> the tests, I can dig through the output to see where my print
> statements appeared, and go back and study those tests in more detail.
>
> But when I want to get a clean test run, I have to remove all the
> print statements that I added (or comment them out).
>
> thanks,
>
> bryan
>



-- 
Best Regards,
Nirmal

C.S.Nirmal J. Fernando
Department of Computer Science & Engineering,
Faculty of Engineering,
University of Moratuwa,
Sri Lanka.

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