[kaffe] AWT Testcase

[James Damour (Suvarov454)]

I'm trying to get my Java application to run under Kaffe CVS HEAD, and 
I've spotted a couple of bugs.  Please note, that neither bug exists in 
the GCJ CVS branch with all the recent Swing and AWT work, so Dalibor 
may already be working on a patch to fix this problem.

Still, I want to document the issue, so we don't lose the problem.

First, the paramString() method on line 494 of 
libraries/javalib/java/awt/Container.java calls 
getLayout().getClass().getName(), without checking to see if layoutm is 
null.

I've attached a test case to demonstrate the problem (click the button 
on the screen, and watch the console for errors).  It probably isn't 
needed, but it never hurts.  It also shows a problem with the layout, 
but I've already sent in a test case for that.

Second, the paramString() method of 
libraries/javalib/java/awt/Component.java uses String "+" operator 
instead of a StringBuffer and append() calls.  This isn't a failure, per 
se, just a sub-optimal performance choice.

James Damour

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