J2S includes a Java to Javascript compiler along with support for standard Java packages such as java.lang, java.io and java.util. It also includes a Javascript version of Junit and Eclipse SWT.

GUI testing is a hard and often neglected task. We take a look at two open source solutions for writing SWT and Swing tests, SWTBot and Marathon, and how they can be used from JRuby. We talked to Keta ...