browser_contextmenu_error_pages.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Tests that right-clicking on a view-source page that displays an error page

// shows exactly the same context menu items as right-clicking on the same

// error page without the view-source: prefix.

async function openErrorPage(url) {

  let tab = await BrowserTestUtils.openNewForegroundTab(

    gBrowser,

    "about:blank",

    true

);

  let browser = tab.linkedBrowser;

  let loaded = BrowserTestUtils.browserLoaded(browser, false, null, true);

  BrowserTestUtils.startLoadingURIString(browser, url);

  await loaded;

  // Ensure the document has had a chance to paint before we interact with it.

  await SpecialPowers.spawn(browser.browsingContext, [], async () => {

    await new Promise(resolve => content.requestAnimationFrame(resolve));

});

  return tab;

function getVisibleItemIds(contextMenu) {

  let ids = [];

  for (let item of contextMenu.children) {

    if (!item.hidden) {

      ids.push(item.id || item.nodeName);

  return ids;

async function getContextMenuItems(tab) {

  const browser = tab.linkedBrowser;

  const contextMenu = document.getElementById("contentAreaContextMenu");

  const popupShown = BrowserTestUtils.waitForEvent(contextMenu, "popupshown");

  await BrowserTestUtils.synthesizeMouseAtCenter(

    "body",

    { type: "contextmenu", button: 2 },

    browser

);

  await popupShown;

  const items = getVisibleItemIds(contextMenu);

  const popupHidden = BrowserTestUtils.waitForEvent(contextMenu, "popuphidden");

  contextMenu.hidePopup();

  await popupHidden;

  return items;

add_task(async function test_viewsource_certerror_contextmenu() {

  const url = "https://expired.example.com/";

  let plainTab = await openErrorPage(url);

  let plainItems = await getContextMenuItems(plainTab);

  BrowserTestUtils.removeTab(plainTab);

  let viewSourceTab = await openErrorPage("view-source:" + url);

  let viewSourceItems = await getContextMenuItems(viewSourceTab);

  BrowserTestUtils.removeTab(viewSourceTab);

  Assert.deepEqual(

    viewSourceItems,

    plainItems,

    "Context menu items on view-source error page match those on the plain error page"

);

});