browser_page_style_menu_update.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

const PAGE = WEB_ROOT + "page_style_sample.html";

/**

 * Tests that the Page Style menu shows the currently

 * selected Page Style after a new one has been selected.

*/

add_task(async function () {

  let tab = await BrowserTestUtils.openNewForegroundTab(

    gBrowser,

    "about:blank",

    false

);

  let browser = tab.linkedBrowser;

  BrowserTestUtils.startLoadingURIString(browser, PAGE);

  await promiseStylesheetsLoaded(browser, 18);

  let menupopup = document.getElementById("pageStyleMenu").menupopup;

  gPageStyleMenu.fillPopup(menupopup);

  // page_style_sample.html should default us to selecting the stylesheet

  // with the title "6" first.

  let selected = menupopup.querySelector("menuitem[checked='true']");

is(

    selected.getAttribute("label"),

    "6",

    "Should have '6' stylesheet selected by default"

);

  // Now select stylesheet "1"

  let target = menupopup.querySelector("menuitem[label='1']");

  target.doCommand();

  gPageStyleMenu.fillPopup(menupopup);

  // gPageStyleMenu empties out the menu between opens, so we need

  // to get a new reference to the selected menuitem

  selected = menupopup.querySelector("menuitem[checked='true']");

is(

    selected.getAttribute("label"),

    "1",

    "Should now have stylesheet 1 selected"

);

  BrowserTestUtils.removeTab(tab);

});