JUnit Generator can automatically generate junit test cases for a specific class or method of Java; Fully supports the characteristics of object-oriented like generic type, complex class type generation etc.
NHag - NHibernate Automated Generator - is an advanced Codegenerator. Based on the hbm.xmls it can produce class code (in VB.NET and C#), Cell- and MVP-based abstraction layers and test scenarios (Test-DB and Unit Tests) for the generated classes. It's
JsisPath is an automated test case generator. It is a white box java test tool that generates test cases out of your source code. JsisPath generates minmum test cases that ensures that every statement in your code is executed at least once.