tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_root_element.js (1011B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 * http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 /* import-globals-from ../../mochitest/role.js */
      7 loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });
      8 
      9 /**
     10 * Verify that we don't mutate the accessible tree when the the root
     11 * element gets a new overflow style.
     12 */
     13 addAccessibleTask(
     14  `
     15 <button>button</button>
     16  `,
     17  async function testNoMutateOnRootOverflow(browser, accDoc) {
     18    const tree = {
     19      DOCUMENT: [
     20        {
     21          // Body element gets a generic container.
     22          TEXT_CONTAINER: [
     23            {
     24              PUSHBUTTON: [{ TEXT_LEAF: [] }],
     25            },
     26          ],
     27        },
     28      ],
     29    };
     30    testAccessibleTree(accDoc, tree);
     31    await contentSpawnMutation(
     32      browser,
     33      { unexpected: [[EVENT_REORDER, accDoc]] },
     34      function () {
     35        content.document.documentElement.style.overflow = "hidden";
     36      }
     37    );
     38  },
     39  {
     40    contentDocBodyAttrs: { style: "overflow: auto;" },
     41  }
     42 );