function test() { waitForExplicitFinish(); SpecialPowers.pushPrefEnv({ set: [[ "dom.disable_open_during_load", false ]] }); let popupOpened = BrowserTestUtils.waitForNewWindow(true, "about:blank"); BrowserTestUtils.openNewForegroundTab(gBrowser, "data:text/html," ); popupOpened.then((win) => testPopupUI(win)); } function testPopupUI(win) { var doc = win.document; ok(win.gURLBar, "location bar exists in the popup"); isnot(win.gURLBar.clientWidth, 0, "location bar is visible in the popup"); ok(win.gURLBar.readOnly, "location bar is read-only in the popup"); isnot(doc.getElementById("Browser:OpenLocation").getAttribute("disabled"), "true", "'open location' command is not disabled in the popup"); let historyButton = doc.getAnonymousElementByAttribute(win.gURLBar, "anonid", "historydropmarker"); is(historyButton.clientWidth, 0, "history dropdown button is hidden in the popup"); EventUtils.synthesizeKey("t", { accelKey: true }, win); is(win.gBrowser.browsers.length, 1, "Accel+T doesn't open a new tab in the popup"); is(gBrowser.browsers.length, 3, "Accel+T opened a new tab in the parent window"); gBrowser.removeCurrentTab(); EventUtils.synthesizeKey("w", { accelKey: true }, win); ok(win.closed, "Accel+W closes the popup"); if (!win.closed) win.close(); gBrowser.removeCurrentTab(); finish(); }