Am I doing something wrong?

[David Herron <David dot Herron at Sun dot COM>]

Just to try out Mauve I'm running it on my OS X machine with Apple's Java. 

./configure --with-vm=/Library/Java/Home/bin/java
make
java Harness -verbose -showpasses -compile -vm java gnu.testlet

I figure since y'all haven't changed Harness.java in 2 yrs (to any 
significant change) that it must be working fine and that there's some 
kind of driver error on my part.

I get a bunch of messages saying FAIL: One of the dependencies failed to 
compile

Then it throws this:-
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: 
String index out of range: -48
   at 
java.lang.AbstractStringBuilder.setLength(AbstractStringBuilder.java:146)
   at java.lang.StringBuffer.setLength(StringBuffer.java:154)
   at Harness.processFolder(Harness.java:1123)
   at Harness.processFolder(Harness.java:1153)
   at Harness.processFolder(Harness.java:1153)
   at Harness.processTest(Harness.java:899)
   at Harness.runAllTests(Harness.java:706)
   at Harness.main(Harness.java:184)


--->    sb.setLength(sb.length() - fullPath.length() - 1);

So that calculation is going negative, and inserting println's I see 
sb.length() is 0 ...

I changed that to something like this

  sb.setLength(
           (sb.length() - fullPath.length() - 1) > 0
         ? sb.length() - fullPath.length() - 1
         : 0
   );


And then this failed (line 1208)
     nextTest = nextTest.substring(0, nextTest.length() - 5);