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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [testing][beans] reverse engineering of RI
Date Fri, 15 Sep 2006 13:05:42 GMT

Alexei Zakharov wrote:
> Hi all,
> While investigating one of the failed tests from the beans module
> (PersistenceDelegateTest#*) I have discovered that the test is doing a
> reverse engineering in fact. It passes some worm-like object to public
> API method and then analyzes the calling stacktrace of each of its
> methods by means of
> StackTraceElement[] eles = (new Throwable()).getStackTrace();
> if (eles[i].getClassName().equals(…) && 
> eles[i].getMethodName().equals(..)) {…}
> In that way, to enable this test we need to rewrite our code and make
> it identical to RI's (at least in respect to the stack trace). Such
> testing technique may be applied to many parts of Java API, not only
> beans. Of course I can imagine some user application doing this but
> such people should probably know what they do.
> Personally I don't like such methods of testing and vote for
> refactoring of these tests. Other opinions? Thoughts?

That's insane.  Does the Spec require a specific call sequence?


> Thanks,

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