tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_xhr_onchange_leak.js (1208B)

      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 
      6 // Bug 1336811 - An XHR that has a .onreadystatechange waiting should
      7 // not leak forever once the tab is closed. CC optimizations need to be
      8 // turned off once it is closed.
      9 
     10 add_task(async function test() {
     11  const url =
     12    "http://mochi.test:8888/browser/dom/xhr/tests/browser_xhr_onchange_leak.html";
     13  let newTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
     14  let browser = gBrowser.selectedBrowser;
     15  let origContentProcessId = browser.frameLoader.remoteTab.contentProcessId;
     16  let pageShowPromise = BrowserTestUtils.waitForContentEvent(
     17    browser,
     18    "pageshow",
     19    true
     20  );
     21  BrowserTestUtils.startLoadingURIString(browser, "http://mochi.test:8888/");
     22  await pageShowPromise;
     23 
     24  is(
     25    browser.frameLoader.remoteTab.contentProcessId,
     26    origContentProcessId,
     27    "we must still be in the same process after we navigate " +
     28      "so the entire process with the possibly-leaking window " +
     29      "doesn't get torn down"
     30  );
     31 
     32  BrowserTestUtils.removeTab(newTab);
     33 });