The Tor Browser: dom/tests/browser/browser_frame

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 const TEST_URI = "http://example.com/browser/dom/tests/browser/browser_frame_elements.html";

     8 let gWindow;

    10 function test() {

    11   waitForExplicitFinish();

    13   var tab = gBrowser.addTab(TEST_URI);

    14   gBrowser.selectedTab = tab;

    15   var browser = gBrowser.selectedBrowser;

    17   registerCleanupFunction(function () {

    18     gBrowser.removeTab(tab);

    19     gWindow = null;

    20   });

    22   browser.addEventListener("DOMContentLoaded", function onLoad(event) {

    23     browser.removeEventListener("DOMContentLoaded", onLoad, false);

    24     executeSoon(function test_executeSoon() {

    25       gWindow = browser.contentWindow;

    26       startTests();

    27     });

    28   }, false);

    29 }

    31 function startTests() {

    32   info("Frame tests started");

    34   info("Checking top window");

    35   let windowUtils = getWindowUtils(gWindow);

    36   is (windowUtils.containerElement, gBrowser.selectedBrowser, "Container element for main window is xul:browser");

    37   is (gWindow.top, gWindow, "gWindow is top");

    38   is (gWindow.parent, gWindow, "gWindow is parent");

    40   info("Checking about:blank iframe");

    41   let iframeBlank = gWindow.document.querySelector("#iframe-blank");

    42   ok (iframeBlank, "Iframe exists on page");

    43   let iframeBlankUtils = getWindowUtils(iframeBlank.contentWindow);

    44   is (iframeBlankUtils.containerElement, iframeBlank, "Container element for iframe window is iframe");

    45   is (iframeBlank.contentWindow.top, gWindow, "gWindow is top");

    46   is (iframeBlank.contentWindow.parent, gWindow, "gWindow is parent");

    48   info("Checking iframe with data url src");

    49   let iframeDataUrl = gWindow.document.querySelector("#iframe-data-url");

    50   ok (iframeDataUrl, "Iframe exists on page");

    51   let iframeDataUrlUtils = getWindowUtils(iframeDataUrl.contentWindow);

    52   is (iframeDataUrlUtils.containerElement, iframeDataUrl, "Container element for iframe window is iframe");

    53   is (iframeDataUrl.contentWindow.top, gWindow, "gWindow is top");

    54   is (iframeDataUrl.contentWindow.parent, gWindow, "gWindow is parent");

    56   info("Checking object with data url data attribute");

    57   let objectDataUrl = gWindow.document.querySelector("#object-data-url");

    58   ok (objectDataUrl, "Object exists on page");

    59   let objectDataUrlUtils = getWindowUtils(objectDataUrl.contentWindow);

    60   is (objectDataUrlUtils.containerElement, objectDataUrl, "Container element for object window is the object");

    61   is (objectDataUrl.contentWindow.top, gWindow, "gWindow is top");

    62   is (objectDataUrl.contentWindow.parent, gWindow, "gWindow is parent");

    64   info("Granting special powers for mozbrowser");

    65   SpecialPowers.addPermission("browser", true, gWindow.document);

    66   SpecialPowers.setBoolPref('dom.mozBrowserFramesEnabled', true);

    68   info("Checking mozbrowser iframe");

    69   let mozBrowserFrame = gWindow.document.createElement("iframe");

    70   mozBrowserFrame.setAttribute("mozbrowser", "");

    71   gWindow.document.body.appendChild(mozBrowserFrame);

    72   is (mozBrowserFrame.contentWindow.top, mozBrowserFrame.contentWindow, "Mozbrowser top == iframe window");

    73   is (mozBrowserFrame.contentWindow.parent, mozBrowserFrame.contentWindow, "Mozbrowser parent == iframe window");

    75   info("Revoking special powers for mozbrowser");

    76   SpecialPowers.clearUserPref('dom.mozBrowserFramesEnabled')

    77   SpecialPowers.removePermission("browser", gWindow.document);

    79   finish();

    80 }

    82 function getWindowUtils(window)

    83 {

    84   return window.

    85     QueryInterface(Components.interfaces.nsIInterfaceRequestor).

    86     getInterface(Components.interfaces.nsIDOMWindowUtils);

    87 }

The Tor Browser / file revision

dom/tests/browser/browser_frame_elements.js@97036ab72558

dom/tests/browser/browser_frame_elements.js