tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_test_select_visibility.js (2463B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 // test selects and options
      8 addAccessibleTask(
      9  `<select id="select">
     10    <option id="o1">hello</option>
     11    <option id="o2">world</option>
     12  </select>`,
     13  async function (browser, accDoc) {
     14    const select = findAccessibleChildByID(accDoc, "select");
     15    ok(
     16      isAccessible(select.firstChild, [nsIAccessibleSelectable]),
     17      "No selectable accessible for combobox"
     18    );
     19    await untilCacheOk(
     20      () => testVisibility(select, false, false),
     21      "select should be on screen and visible"
     22    );
     23 
     24    if (!browser.isRemoteBrowser) {
     25      await untilCacheOk(
     26        () => testVisibility(select.firstChild, false, true),
     27        "combobox list should be on screen and invisible"
     28      );
     29    } else {
     30      // XXX: When the cache is used, states::INVISIBLE is
     31      // incorrect. Test OFFSCREEN anyway.
     32      await untilCacheOk(() => {
     33        const [states] = getStates(select.firstChild);
     34        return (states & STATE_OFFSCREEN) == 0;
     35      }, "combobox list should be on screen");
     36    }
     37 
     38    const o1 = findAccessibleChildByID(accDoc, "o1");
     39    const o2 = findAccessibleChildByID(accDoc, "o2");
     40 
     41    await untilCacheOk(
     42      () => testVisibility(o1, false, false),
     43      "option one should be on screen and visible"
     44    );
     45    await untilCacheOk(
     46      () => testVisibility(o2, true, false),
     47      "option two should be off screen and visible"
     48    );
     49 
     50    // Select the second option (drop-down collapsed).
     51    const p = waitForEvents({
     52      expected: [
     53        [EVENT_SELECTION, "o2"],
     54        [EVENT_TEXT_VALUE_CHANGE, "select"],
     55      ],
     56      unexpected: [
     57        stateChangeEventArgs("o2", EXT_STATE_ACTIVE, true, true),
     58        stateChangeEventArgs("o1", EXT_STATE_ACTIVE, false, true),
     59      ],
     60    });
     61    await invokeContentTask(browser, [], () => {
     62      content.document.getElementById("select").selectedIndex = 1;
     63    });
     64    await p;
     65 
     66    await untilCacheOk(() => {
     67      const [states] = getStates(o1);
     68      return (states & STATE_OFFSCREEN) != 0;
     69    }, "option 1 should be off screen");
     70    await untilCacheOk(() => {
     71      const [states] = getStates(o2);
     72      return (states & STATE_OFFSCREEN) == 0;
     73    }, "option 2 should be on screen");
     74  },
     75  { chrome: true, iframe: true, remoteIframe: true }
     76 );