The Tor Browser: accessible/tests/mochitest/treeupdate/test

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 <!DOCTYPE html>

     2 <html>

     4 <head>

     5   <title>Test document root content mutations</title>

     6   <link rel="stylesheet" type="text/css"

     7         href="chrome://mochikit/content/tests/SimpleTest/test.css" />

     9   <script type="application/javascript"

    10           src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

    12   <script type="application/javascript"

    13           src="../common.js"></script>

    14   <script type="application/javascript"

    15           src="../role.js"></script>

    16   <script type="application/javascript"

    17           src="../states.js"></script>

    18   <script type="application/javascript"

    19           src="../events.js"></script>

    21   <script type="application/javascript">

    23     ////////////////////////////////////////////////////////////////////////////

    24     // Helpers

    26     function getDocNode(aID)

    27     {

    28       return getNode(aID).contentDocument;

    29     }

    30     function getDocChildNode(aID)

    31     {

    32       return getDocNode(aID).body.firstChild;

    33     }

    35     function rootContentReplaced(aID, aTextName, aRootContentRole)

    36     {

    37       this.eventSeq = [

    38         new invokerChecker(EVENT_SHOW, getDocChildNode, aID),

    39         new invokerChecker(EVENT_REORDER, getDocNode, aID)

    40       ];

    42       this.finalCheck = function rootContentReplaced_finalCheck()

    43       {

    44         var tree = {

    45           role: aRootContentRole || ROLE_DOCUMENT,

    46           children: [

    47             {

    48               role: ROLE_TEXT_LEAF,

    49               name: aTextName

    50             }

    51           ]

    52         };

    53         testAccessibleTree(getDocNode(aID), tree);

    54       }

    55     }

    57     function rootContentRemoved(aID)

    58     {

    59       this.eventSeq = [

    60         new invokerChecker(EVENT_HIDE, null),

    61         new invokerChecker(EVENT_REORDER, getDocNode, aID)

    62       ];

    64       this.preinvoke = function rootContentRemoved_preinvoke()

    65       {

    66         // Set up target for hide event before we invoke.

    67         var text = getAccessible(getAccessible(getDocNode(aID)).firstChild);

    68         this.eventSeq[0].target = text;

    69       }

    71       this.finalCheck = function rootContentRemoved_finalCheck()

    72       {

    73         var tree = {

    74           role: ROLE_DOCUMENT,

    75           children: [ ]

    76         };

    77         testAccessibleTree(getDocNode(aID), tree);

    78       }

    79     }

    81     function rootContentInserted(aID, aTextName)

    82     {

    83       this.eventSeq = [

    84         new invokerChecker(EVENT_SHOW, getDocChildNode, aID),

    85         new invokerChecker(EVENT_REORDER, getDocNode, aID)

    86       ];

    88       this.finalCheck = function rootContentInserted_finalCheck()

    89       {

    90         var tree = {

    91           role: ROLE_DOCUMENT,

    92           children: [

    93             {

    94               role: ROLE_TEXT_LEAF,

    95               name: aTextName

    96             }

    97           ]

    98         };

    99         testAccessibleTree(getDocNode(aID), tree);

   100       }

   101     }

   103     ////////////////////////////////////////////////////////////////////////////

   104     // Invokers

   106     function writeIFrameDoc(aID)

   107     {

   108       this.__proto__ = new rootContentReplaced(aID, "hello");

   110       this.invoke = function writeIFrameDoc_invoke()

   111       {

   112         var docNode = getDocNode(aID);

   114         // We can't use open/write/close outside of iframe document because of

   115         // security error.

   116         var script = docNode.createElement("script");

   117         script.textContent = "document.open(); document.write('hello'); document.close();";

   118         docNode.body.appendChild(script);

   119       }

   121       this.getID = function writeIFrameDoc_getID()

   122       {

   123         return "write document";

   124       }

   125     }

   127     /**

   128      * Replace HTML element.

   129      */

   130     function replaceIFrameHTMLElm(aID)

   131     {

   132       this.__proto__ = new rootContentReplaced(aID, "New Wave");

   134       this.invoke = function replaceIFrameHTMLElm_invoke()

   135       {

   136         var docNode = getDocNode(aID);

   137         var newHTMLNode = docNode.createElement("html");

   138         var newBodyNode = docNode.createElement("body");

   139         var newTextNode = docNode.createTextNode("New Wave");

   140         newBodyNode.appendChild(newTextNode);

   141         newHTMLNode.appendChild(newBodyNode);

   142         docNode.replaceChild(newHTMLNode, docNode.documentElement);

   143       }

   145       this.getID = function replaceIFrameHTMLElm_getID()

   146       {

   147         return "replace HTML element";

   148       }

   149     }

   151     /**

   152      * Replace HTML body on new body having ARIA role.

   153      */

   154     function replaceIFrameBody(aID)

   155     {

   156       this.__proto__ = new rootContentReplaced(aID, "New Hello");

   158       this.invoke = function replaceIFrameBody_invoke()

   159       {

   160         var docNode = getDocNode(aID);

   161         var newBodyNode = docNode.createElement("body");

   162         var newTextNode = docNode.createTextNode("New Hello");

   163         newBodyNode.appendChild(newTextNode);

   164         docNode.documentElement.replaceChild(newBodyNode, docNode.body);

   165       }

   167       this.getID = function replaceIFrameBody_getID()

   168       {

   169         return "replace body";

   170       }

   171     }

   173     /**

   174      * Replace HTML body on new body having ARIA role.

   175      */

   176     function replaceIFrameBodyOnARIARoleBody(aID)

   177     {

   178       this.__proto__ = new rootContentReplaced(aID, "New Hello",

   179                                                ROLE_PUSHBUTTON);

   181       this.invoke = function replaceIFrameBodyOnARIARoleBody_invoke()

   182       {

   183         var docNode = getDocNode(aID);

   184         var newBodyNode = docNode.createElement("body");

   185         var newTextNode = docNode.createTextNode("New Hello");

   186         newBodyNode.appendChild(newTextNode);

   187         newBodyNode.setAttribute("role", "button");

   188         docNode.documentElement.replaceChild(newBodyNode, docNode.body);

   189       }

   191       this.getID = function replaceIFrameBodyOnARIARoleBody_getID()

   192       {

   193         return "replace body on body having ARIA role";

   194       }

   195     }

   197     /**

   198      * Open/close document pair.

   199      */

   200     function openIFrameDoc(aID)

   201     {

   202       this.__proto__ = new rootContentRemoved(aID);

   204       this.invoke = function openIFrameDoc_invoke()

   205       {

   206         this.preinvoke();

   208         // Open document.

   209         var docNode = getDocNode(aID);

   210         var script = docNode.createElement("script");

   211         script.textContent = "function closeMe() { document.write('Works?'); document.close(); } window.closeMe = closeMe; document.open();";

   212         docNode.body.appendChild(script);

   213       }

   215       this.getID = function openIFrameDoc_getID()

   216       {

   217         return "open document";

   218       }

   219     }

   221     function closeIFrameDoc(aID)

   222     {

   223       this.__proto__ = new rootContentInserted(aID, "Works?");

   225       this.invoke = function closeIFrameDoc_invoke()

   226       {

   227         // Write and close document.

   228         getDocNode(aID).write('Works?'); getDocNode(aID).close();

   229       }

   231       this.getID = function closeIFrameDoc_getID()

   232       {

   233         return "close document";

   234       }

   235     }

   237     /**

   238      * Remove/insert HTML element pair.

   239      */

   240     function removeHTMLFromIFrameDoc(aID)

   241     {

   242       this.__proto__ = new rootContentRemoved(aID);

   244       this.invoke = function removeHTMLFromIFrameDoc_invoke()

   245       {

   246         this.preinvoke();

   248         // Remove HTML element.

   249         var docNode = getDocNode(aID);

   250         docNode.removeChild(docNode.firstChild);

   251       }

   253       this.getID = function removeHTMLFromIFrameDoc_getID()

   254       {

   255         return "remove HTML element";

   256       }

   257     }

   259     function insertHTMLToIFrameDoc(aID)

   260     {

   261       this.__proto__ = new rootContentInserted(aID, "Haha");

   263       this.invoke = function insertHTMLToIFrameDoc_invoke()

   264       {

   265         // Insert HTML element.

   266         var docNode = getDocNode(aID);

   267         var html = docNode.createElement("html");

   268         var body = docNode.createElement("body");

   269         var text = docNode.createTextNode("Haha");

   270         body.appendChild(text);

   271         html.appendChild(body);

   272         docNode.appendChild(html);

   273       }

   275       this.getID = function insertHTMLToIFrameDoc_getID()

   276       {

   277         return "insert HTML element document";

   278       }

   279     }

   281     /**

   282      * Remove/insert HTML body pair.

   283      */

   284     function removeBodyFromIFrameDoc(aID)

   285     {

   286       this.__proto__ = new rootContentRemoved(aID);

   288       this.invoke = function removeBodyFromIFrameDoc_invoke()

   289       {

   290         this.preinvoke();

   292         // Remove body element.

   293         var docNode = getDocNode(aID);

   294         docNode.documentElement.removeChild(docNode.body);

   295       }

   297       this.getID = function removeBodyFromIFrameDoc_getID()

   298       {

   299         return "remove body element";

   300       }

   301     }

   303     function insertElmUnderDocElmWhileBodyMissed(aID)

   304     {

   305       this.docNode = null;

   306       this.inputNode = null;

   308       function getInputNode()

   309         { return this.inputNode; }

   311       this.eventSeq = [

   312         new invokerChecker(EVENT_SHOW, getInputNode.bind(this)),

   313         new invokerChecker(EVENT_REORDER, getDocNode, aID)

   314       ];

   316       this.invoke = function invoke()

   317       {

   318         this.docNode = getDocNode(aID);

   319         this.inputNode = this.docNode.createElement("input");

   320         this.docNode.documentElement.appendChild(this.inputNode);

   321       }

   323       this.finalCheck = function finalCheck()

   324       {

   325         var tree =

   326           { DOCUMENT: [

   327             { ENTRY: [ ] }

   328           ] };

   329         testAccessibleTree(this.docNode, tree);

   331         // Remove aftermath of this test before next test starts.

   332         this.docNode.documentElement.removeChild(this.inputNode);

   333       }

   335       this.getID = function getID()

   336       {

   337         return "Insert element under document element while body is missed.";

   338       }

   339     }

   341     function insertBodyToIFrameDoc(aID)

   342     {

   343       this.__proto__ = new rootContentInserted(aID, "Yo ho ho i butylka roma!");

   345       this.invoke = function insertBodyToIFrameDoc_invoke()

   346       {

   347         // Insert body element.

   348         var docNode = getDocNode(aID);

   349         var body = docNode.createElement("body");

   350         var text = docNode.createTextNode("Yo ho ho i butylka roma!");

   351         body.appendChild(text);

   352         docNode.documentElement.appendChild(body);

   353       }

   355       this.getID = function insertBodyToIFrameDoc_getID()

   356       {

   357         return "insert body element";

   358       }

   359     }

   361     function changeSrc(aID)

   362     {

   363       this.containerNode = getNode(aID);

   365       this.eventSeq = [

   366         new invokerChecker(EVENT_REORDER, this.containerNode)

   367       ];

   369       this.invoke = function changeSrc_invoke()

   370       {

   371         this.containerNode.src = "data:text/html,<html><input></html>";

   372       }

   374       this.finalCheck = function changeSrc_finalCheck()

   375       {

   376         var tree =

   377           { INTERNAL_FRAME: [

   378             { DOCUMENT: [

   379               { ENTRY: [ ] }

   380             ] }

   381           ] };

   382         testAccessibleTree(this.containerNode, tree);

   383       }

   385       this.getID = function changeSrc_getID()

   386       {

   387         return "change src on iframe";

   388       }

   389     }

   391     ////////////////////////////////////////////////////////////////////////////

   392     // Test

   394     //gA11yEventDumpID = "eventdump"; // debug stuff

   395     //gA11yEventDumpToConsole = true;

   397     var gQueue = null;

   399     function doTest()

   400     {

   401       gQueue = new eventQueue();

   403       gQueue.push(new writeIFrameDoc("iframe"));

   404       gQueue.push(new replaceIFrameHTMLElm("iframe"));

   405       gQueue.push(new replaceIFrameBody("iframe"));

   406       gQueue.push(new openIFrameDoc("iframe"));

   407       gQueue.push(new closeIFrameDoc("iframe"));

   408       gQueue.push(new removeHTMLFromIFrameDoc("iframe"));

   409       gQueue.push(new insertHTMLToIFrameDoc("iframe"));

   410       gQueue.push(new removeBodyFromIFrameDoc("iframe"));

   411       gQueue.push(new insertElmUnderDocElmWhileBodyMissed("iframe"));

   412       gQueue.push(new insertBodyToIFrameDoc("iframe"));

   413       gQueue.push(new changeSrc("iframe"));

   414       gQueue.push(new replaceIFrameBodyOnARIARoleBody("iframe"));

   416       gQueue.invoke(); // SimpleTest.finish() will be called in the end

   417     }

   419     SimpleTest.waitForExplicitFinish();

   420     addA11yLoadEvent(doTest);

   421   </script>

   422 </head>

   423 <body>

   425   <a target="_blank"

   426      title="Update accessible tree when root element is changed"

   427      href="https://bugzilla.mozilla.org/show_bug.cgi?id=606082">Mozilla Bug 606082</a>

   428   <a target="_blank"

   429      title="Elements inserted outside the body aren't accessible"

   430      href="https://bugzilla.mozilla.org/show_bug.cgi?id=608887">Mozilla Bug 608887</a>

   431   <a target="_blank"

   432      title="Reorder event for document must be fired after document initial tree creation"

   433      href="https://bugzilla.mozilla.org/show_bug.cgi?id=669263">Mozilla Bug 669263</a>

   434   <a target="_blank"

   435      title="Changing the HTML body doesn't pick up ARIA role"

   436      href="https://bugzilla.mozilla.org/show_bug.cgi?id=818407">Mozilla Bug 818407</a>

   438   <p id="display"></p>

   439   <div id="content" style="display: none"></div>

   440   <pre id="test">

   441   </pre>

   443   <iframe id="iframe"></iframe>

   445   <div id="eventdump"></div>

   446 </body>

   447 </html>

The Tor Browser / file revision

accessible/tests/mochitest/treeupdate/test_doc.html@97036ab72558

accessible/tests/mochitest/treeupdate/test_doc.html