tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_allocations_browser_console.js (2199B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 // Record allocations while opening and closing the Browser Console
      7 
      8 const TEST_URL =
      9  "http://example.com/browser/devtools/client/framework/test/allocations/reloaded-page.html";
     10 
     11 const { require } = ChromeUtils.importESModule(
     12  "resource://devtools/shared/loader/Loader.sys.mjs"
     13 );
     14 const {
     15  BrowserConsoleManager,
     16 } = require("resource://devtools/client/webconsole/browser-console-manager.js");
     17 
     18 async function testScript() {
     19  // Open
     20  await BrowserConsoleManager.toggleBrowserConsole();
     21 
     22  // Reload the tab to make the test slightly more real
     23  const hud = BrowserConsoleManager.getBrowserConsole();
     24  const onTargetProcessed = hud.commands.targetCommand.once(
     25    "processed-available-target"
     26  );
     27 
     28  gBrowser.reloadTab(gBrowser.selectedTab);
     29 
     30  info("Wait for target of the new document to be fully processed");
     31  await onTargetProcessed;
     32 
     33  // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
     34  await new Promise(resolve => setTimeout(resolve, 1000));
     35 
     36  // Close
     37  await BrowserConsoleManager.toggleBrowserConsole();
     38 
     39  // Browser console still cleanup stuff after the resolution of toggleBrowserConsole.
     40  // So wait for a little while to ensure it completes all cleanups.
     41  // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
     42  await new Promise(resolve => setTimeout(resolve, 500));
     43 }
     44 
     45 add_task(async function () {
     46  await SpecialPowers.pushPrefEnv({
     47    set: [["devtools.browsertoolbox.scope", "everything"]],
     48  });
     49 
     50  const tab = await addTab(TEST_URL);
     51 
     52  // Run the test scenario first before recording in order to load all the
     53  // modules. Otherwise they get reported as "still allocated" objects,
     54  // whereas we do expect them to be kept in memory as they are loaded via
     55  // the main DevTools loader, which keeps the module loaded until the
     56  // shutdown of Firefox
     57  await testScript();
     58 
     59  // Now, run the test script. This time, we record this run.
     60  await startRecordingAllocations();
     61 
     62  for (let i = 0; i < 3; i++) {
     63    await testScript();
     64  }
     65 
     66  await stopRecordingAllocations("browser-console");
     67 
     68  gBrowser.removeTab(tab);
     69 });