To go look at 
they have Sunit testing frmaework for Squeak 
http://www.xprogramming.com/software.htm

> Resent-date: Mon, 03 Jan 2000 16:05:09 +0000
> Date: Mon, 03 Jan 2000 08:03:19 -0800
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> From: TECHIN A KANG <TECHIN.A.KANG at mail.sprint.com>
> Subject: testing smalltalk applications.
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> Hi,
> 
> Is there any package in squeak community to "test" smalltalk
> application?
> 
> In general, what are the methods to test smalltalk application? Module
> or Control, or View individually, or combination of M-V-C. Manual test,
> or automatic test?
> 
> Testing to my concern is validating a feature or features that are up to
> expectation. For example, how do I know at specific area the color is
> red, not green; not exactly #CC0000 vs #-00CC00, but relatively.
> 
> Regards,
> Techin Alex Kang
> 

Stephane DUCASSE (ducasse at iam.unibe.ch) http://www.iam.unibe.ch/~ducasse/
"if you knew today was your last day on earth, what would you do 
different? ... especially if, by doing something different, today 
might not be your last day on earth" Calvin&Hobbes

University of Bern, Institut fuer informatik and Mathematik
IAM-SCG, 10 neubruckstrasse, CH-3012 Bern, Switzerland.