Web Test Tools

I cannot generate anything using ANT Task. Here is my
ant task.

of course, I added the taskdef...:)

<target name="GenerateUnitTests"
description="Generated Unit Test Code"
depends="prepare">
<unitgen debug="true"
recursive="true"
mask="*.java"
update="true"
input="prj/src"
output="tests/src"/>
</target>


and it says, finished work. files 14, sources 0. methods 0