Is there a test harness to explore new functionality and to identify bugs?
gStudio, the GRANITE development environment, is a Java-based prototyping tool and test harness that displays GRANITE models, allows interrogation and evaluation, and has a Java command line interpreter of Java and GRANITE commands. Using gStudio, you can quickly prototype new code in the test harness and replay journal files from your application to identify bugs. You can also convert those files to C++ or Java code and reuse that code in your application.