fune/browser/base/content/test/alerts/browser_notification_replace.js

"use strict";

let notificationURL = "http://example.org/browser/browser/base/content/test/alerts/file_dom_notifications.html";

add_task(async function test_notificationReplace() {
  await addNotificationPermission(notificationURL);

  await BrowserTestUtils.withNewTab({
    gBrowser,
    url: notificationURL
  }, async function dummyTabTask(aBrowser) {
    await ContentTask.spawn(aBrowser, {}, async function() {
      let win = content.window.wrappedJSObject;
      let notification = win.showNotification1();
      let promiseCloseEvent = ContentTaskUtils.waitForEvent(notification, "close");

      let showEvent = await ContentTaskUtils.waitForEvent(notification, "show");
      Assert.equal(showEvent.target.body, "Test body 1", "Showed tagged notification");

      let newNotification = win.showNotification2();
      let newShowEvent = await ContentTaskUtils.waitForEvent(newNotification, "show");
      Assert.equal(newShowEvent.target.body, "Test body 2", "Showed new notification with same tag");

      let closeEvent = await promiseCloseEvent;
      Assert.equal(closeEvent.target.body, "Test body 1", "Closed previous tagged notification");

      let promiseNewCloseEvent = ContentTaskUtils.waitForEvent(newNotification, "close");
      newNotification.close();
      let newCloseEvent = await promiseNewCloseEvent;
      Assert.equal(newCloseEvent.target.body, "Test body 2", "Closed new notification");
    });
  });
});