LGTM Just take a look at the assertsOn thing in the tests.
http://gwt-code-reviews.appspot.com/841804/diff/58001/45043 File user/test/com/google/gwt/event/shared/HandlerManagerTest.java (right): http://gwt-code-reviews.appspot.com/841804/diff/58001/45043#newcode197 user/test/com/google/gwt/event/shared/HandlerManagerTest.java:197: assert assertsOn = true; Intentional? It looks like an accidental boolean assignment. http://gwt-code-reviews.appspot.com/841804/diff/58001/45044 File user/test/com/google/gwt/event/shared/SimpleEventBusTest.java (right): http://gwt-code-reviews.appspot.com/841804/diff/58001/45044#newcode341 user/test/com/google/gwt/event/shared/SimpleEventBusTest.java:341: assert assertsOn = true; Accidental boolean assignment? http://gwt-code-reviews.appspot.com/841804/show -- http://groups.google.com/group/Google-Web-Toolkit-Contributors