LGTM but would like to see more tests if possible
http://gwt-code-reviews.appspot.com/620802/diff/8001/9002 File user/test/com/google/gwt/emultest/java/util/ListTestBase.java (right): http://gwt-code-reviews.appspot.com/620802/diff/8001/9002#newcode199 user/test/com/google/gwt/emultest/java/util/ListTestBase.java:199: public void testSubList() { OK, I see that the implementation uses iterators for these operations, which will respect the list bounds. So I'm not as concerned although more tests would still be a good thing. http://gwt-code-reviews.appspot.com/620802/show -- http://groups.google.com/group/Google-Web-Toolkit-Contributors