browser_events_show.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

/**

 * Test show event

*/

addAccessibleTask(

  '<div id="div" style="visibility: hidden;"></div>',

  async function (browser) {

    let onShow = waitForEvent(EVENT_SHOW, "div");

    await invokeSetStyle(browser, "div", "visibility", "visible");

    let showEvent = await onShow;

ok(

      showEvent.accessibleDocument instanceof nsIAccessibleDocument,

      "Accessible document not present."

);

},

  { iframe: true, remoteIframe: true }

);