tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_shutdown_remote_no_reference.js (4149B)

      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 add_task(async function () {
      8  await BrowserTestUtils.withNewTab(
      9    {
     10      gBrowser,
     11      url: `data:text/html,
     12      <html>
     13        <head>
     14          <meta charset="utf-8"/>
     15          <title>Accessibility Test</title>
     16        </head>
     17        <body></body>
     18      </html>`,
     19    },
     20    async function (browser) {
     21      info(
     22        "Creating a service in parent and waiting for service to be created " +
     23          "in content"
     24      );
     25      await loadContentScripts(browser, {
     26        script: "Common.sys.mjs",
     27        symbol: "CommonUtils",
     28      });
     29      // Create a11y service in the main process. This will trigger creating of
     30      // the a11y service in parent as well.
     31      const [parentA11yInitObserver, parentA11yInit] = initAccService();
     32      const [contentA11yInitObserver, contentA11yInit] =
     33        initAccService(browser);
     34      let [parentConsumersChangedObserver, parentConsumersChanged] =
     35        accConsumersChanged();
     36      let [contentConsumersChangedObserver, contentConsumersChanged] =
     37        accConsumersChanged(browser);
     38 
     39      await Promise.all([
     40        parentA11yInitObserver,
     41        contentA11yInitObserver,
     42        parentConsumersChangedObserver,
     43        contentConsumersChangedObserver,
     44      ]);
     45 
     46      let accService = Cc["@mozilla.org/accessibilityService;1"].getService(
     47        Ci.nsIAccessibilityService
     48      );
     49      ok(accService, "Service initialized in parent");
     50      await Promise.all([parentA11yInit, contentA11yInit]);
     51      await parentConsumersChanged.then(data =>
     52        Assert.deepEqual(
     53          data,
     54          {
     55            XPCOM: true,
     56            MainProcess: false,
     57            PlatformAPI: false,
     58          },
     59          "Accessibility service consumers in parent are correct."
     60        )
     61      );
     62      await contentConsumersChanged.then(data =>
     63        Assert.deepEqual(
     64          data,
     65          {
     66            XPCOM: false,
     67            MainProcess: true,
     68            PlatformAPI: false,
     69          },
     70          "Accessibility service consumers in content are correct."
     71        )
     72      );
     73 
     74      Assert.deepEqual(
     75        JSON.parse(accService.getConsumers()),
     76        {
     77          XPCOM: true,
     78          MainProcess: false,
     79          PlatformAPI: false,
     80        },
     81        "Accessibility service consumers in parent are correct."
     82      );
     83 
     84      info(
     85        "Removing a service in parent and waiting for service to be shut " +
     86          "down in content"
     87      );
     88      // Remove a11y service reference in the main process.
     89      const [parentA11yShutdownObserver, parentA11yShutdown] =
     90        shutdownAccService();
     91      const [contentA11yShutdownObserver, contentA11yShutdown] =
     92        shutdownAccService(browser);
     93      [parentConsumersChangedObserver, parentConsumersChanged] =
     94        accConsumersChanged();
     95      [contentConsumersChangedObserver, contentConsumersChanged] =
     96        accConsumersChanged(browser);
     97 
     98      await Promise.all([
     99        parentA11yShutdownObserver,
    100        contentA11yShutdownObserver,
    101        parentConsumersChangedObserver,
    102        contentConsumersChangedObserver,
    103      ]);
    104 
    105      accService = null;
    106      ok(!accService, "Service is removed in parent");
    107      // Force garbage collection that should trigger shutdown in both main and
    108      // content process.
    109      forceGC();
    110      await Promise.all([parentA11yShutdown, contentA11yShutdown]);
    111      await parentConsumersChanged.then(data =>
    112        Assert.deepEqual(
    113          data,
    114          {
    115            XPCOM: false,
    116            MainProcess: false,
    117            PlatformAPI: false,
    118          },
    119          "Accessibility service consumers are correct."
    120        )
    121      );
    122      await contentConsumersChanged.then(data =>
    123        Assert.deepEqual(
    124          data,
    125          {
    126            XPCOM: false,
    127            MainProcess: false,
    128            PlatformAPI: false,
    129          },
    130          "Accessibility service consumers are correct."
    131        )
    132      );
    133    }
    134  );
    135 });