"use strict"; /** * Check that customize mode can be loaded in a lazy tab. */ add_task(async function open_customize_mode_in_lazy_tab() { let tab = BrowserTestUtils.addTab(gBrowser, "about:blank", { createLazyBrowser: true, }); gCustomizeMode.setTab(tab); is(tab.linkedPanel, "", "Tab should be lazy"); let title = gNavigatorBundle.getFormattedString("customizeMode.tabTitle", [ document.getElementById("bundle_brand").getString("brandShortName"), ]); is(tab.label, title, "Tab should have correct title"); let customizePromise = BrowserTestUtils.waitForEvent( gNavToolbox, "customizationready" ); gCustomizeMode.enter(); await customizePromise; is( tab.getAttribute("customizemode"), "true", "Tab should be in customize mode" ); let customizationContainer = document.getElementById( "customization-container" ); is( customizationContainer.hidden, false, "Customization container should be visible" ); await endCustomizing(); });