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Date: Fri, 15 Sep 2006 14:06:13 +0100
From: Tim Ellison <t.p.ellison@gmail.com>
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To: harmony-dev@incubator.apache.org
Subject: Re: [testing][beans] reverse engineering of RI
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yuk!  what is this test trying to achieve?

Tim

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?
> 
> Thanks,
> 

-- 

Tim Ellison (t.p.ellison@gmail.com)
IBM Java technology centre, UK.

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