Test that descendant invalidation works with fullscreen pseudo classes. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS getComputedStyle(full).backgroundColor is red PASS internals.updateStyleAndReturnAffectedElementCount() is 2 PASS getComputedStyle(full).backgroundColor is green PASS getComputedStyle(ancestor).backgroundColor is red PASS internals.updateStyleAndReturnAffectedElementCount() is 1 PASS getComputedStyle(ancestor).backgroundColor is green PASS successfullyParsed is true TEST COMPLETE