"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 tabLoaded = new Promise((resolve) => {
    gBrowser.addTabsProgressListener({async onLocationChange(aBrowser) {
      if (tab.linkedBrowser == aBrowser) {
        gBrowser.removeTabsProgressListener(this);
        await Promise.resolve();
        resolve();
      }
    }});
  });
  let customizePromise = BrowserTestUtils.waitForEvent(gNavToolbox, "customizationready");
  gCustomizeMode.enter();
  await customizePromise;
  await tabLoaded;

  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();
});