michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0:   next();
michael@0: }
michael@0: 
michael@0: var uris = [
michael@0:   "about:blank",
michael@0:   "about:sessionrestore",
michael@0:   "about:privatebrowsing",
michael@0: ];
michael@0: 
michael@0: function next() {
michael@0:   var tab = gBrowser.addTab();
michael@0:   var uri = uris.shift();
michael@0: 
michael@0:   if (uri == "about:blank") {
michael@0:     detach();
michael@0:   } else {
michael@0:     let browser = tab.linkedBrowser;
michael@0:     browser.addEventListener("load", function () {
michael@0:       browser.removeEventListener("load", arguments.callee, true);
michael@0:       detach();
michael@0:     }, true);
michael@0:     browser.loadURI(uri);
michael@0:   }
michael@0: 
michael@0:   function detach() {
michael@0:     var win = gBrowser.replaceTabWithWindow(tab);
michael@0: 
michael@0:     whenDelayedStartupFinished(win, function () {
michael@0:       is(win.gBrowser.currentURI.spec, uri, uri + ": uri loaded in detached tab");
michael@0:       is(win.document.activeElement, win.gBrowser.selectedBrowser, uri + ": browser is focused");
michael@0:       is(win.gURLBar.value, "", uri + ": urlbar is empty");
michael@0:       ok(win.gURLBar.placeholder, uri + ": placeholder text is present");
michael@0: 
michael@0:       win.close();
michael@0:       if (uris.length)
michael@0:         next();
michael@0:       else
michael@0:         executeSoon(finish);
michael@0:     });
michael@0:   }
michael@0: }