function test() { waitForExplicitFinish(); var win = openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no"); win.addEventListener("load", function () { win.removeEventListener("load", arguments.callee, false); win.content.addEventListener("focus", function () { win.content.removeEventListener("focus", arguments.callee, false); win.gBrowser.selectedTab.addEventListener("TabClose", function () { ok(false, "shouldn't have gotten the TabClose event for the last tab"); }, false); EventUtils.synthesizeKey("w", { accelKey: true }, win); ok(win.closed, "accel+w closed the window immediately"); finish(); }, false); }, false); }