browser_accSelection.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";

addAccessibleTask(

<select multiple id="select">

  <option id="option1">1</option>

  <option id="option2">2</option>

</select>

`,

  async function testBasic(browser) {

    async function setSelected(id, selected) {

      let changed = waitForEvent(EVENT_STATE_CHANGE, id);

      await invokeContentTask(browser, [id, selected], (cId, cSelected) => {

        content.document.getElementById(cId).selected = cSelected;

});

      await changed;

    await runPython(`

      doc = getDocIa2()

      global select

      select = findIa2ByDomId(doc, "select")

`);

ok(

      !(await runPython(`select.accSelection`)),

      "accSelection returned nothing"

);

    info("Selecting option1");

    await setSelected("option1", true);

    let attrs = await runPython(`toIa2(select.accSelection).attributes`);

    ok(attrs.includes("id:option1;"), "accSelection returned option1");

    info("Selecting option2");

    await setSelected("option2", true);

    attrs = await runPython(`

      from comtypes.automation import IEnumVARIANT

      enumerator = select.accSelection.QueryInterface(IEnumVARIANT)

      # Deliberately pass 3 instead of 2 to ensure Next handles this gracefully.

      selection = enumerator.Next(3)

      return [toIa2(acc).attributes for acc in selection]

`);

    is(attrs.length, 2, "accSelection returned 2 items");

    ok(attrs[0].includes("id:option1;"), "First item is option1");

    ok(attrs[1].includes("id:option2;"), "Second item is option2");

},

  { chrome: true, topLevel: true }

);