accessible/tests/mochitest/events/test_mutation.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/tests/mochitest/events/test_mutation.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,520 @@
     1.4 +<html>
     1.5 +
     1.6 +<head>
     1.7 +  <title>Accessible mutation events testing</title>
     1.8 +
     1.9 +  <link rel="stylesheet" type="text/css"
    1.10 +        href="chrome://mochikit/content/tests/SimpleTest/test.css" />
    1.11 +
    1.12 +  <style>
    1.13 +    div.displayNone a { display:none; }
    1.14 +    div.visibilityHidden a { visibility:hidden; }
    1.15 +</style>
    1.16 +
    1.17 +  <script type="application/javascript"
    1.18 +          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
    1.19 +  <script type="application/javascript"
    1.20 +          src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
    1.21 +
    1.22 +  <script type="application/javascript"
    1.23 +          src="../common.js"></script>
    1.24 +  <script type="application/javascript"
    1.25 +          src="../events.js"></script>
    1.26 +
    1.27 +  <script type="application/javascript">
    1.28 +    /**
    1.29 +     * Invokers.
    1.30 +     */
    1.31 +    var kNoEvents = 0;
    1.32 +
    1.33 +    var kShowEvent = 1;
    1.34 +    var kHideEvent = 2;
    1.35 +    var kReorderEvent = 4;
    1.36 +    var kShowEvents = kShowEvent | kReorderEvent;
    1.37 +    var kHideEvents = kHideEvent | kReorderEvent;
    1.38 +    var kHideAndShowEvents = kHideEvents | kShowEvent;
    1.39 +
    1.40 +    /**
    1.41 +     * Base class to test mutation a11y events.
    1.42 +     *
    1.43 +     * @param aNodeOrID          [in] node invoker's action is executed for
    1.44 +     * @param aEventTypes        [in] events to register (see constants above)
    1.45 +     * @param aDoNotExpectEvents [in] boolean indicates if events are expected
    1.46 +     */
    1.47 +    function mutateA11yTree(aNodeOrID, aEventTypes, aDoNotExpectEvents)
    1.48 +    {
    1.49 +      // Interface
    1.50 +      this.DOMNode = getNode(aNodeOrID);
    1.51 +      this.doNotExpectEvents = aDoNotExpectEvents;
    1.52 +      this.eventSeq = [];
    1.53 +      this.unexpectedEventSeq = [];
    1.54 +
    1.55 +      /**
    1.56 +       * Change default target (aNodeOrID) registered for the given event type.
    1.57 +       */
    1.58 +      this.setTarget = function mutateA11yTree_setTarget(aEventType, aTarget)
    1.59 +      {
    1.60 +        var type = this.getA11yEventType(aEventType);
    1.61 +        for (var idx = 0; idx < this.getEventSeq().length; idx++) {
    1.62 +          if (this.getEventSeq()[idx].type == type) {
    1.63 +            this.getEventSeq()[idx].target = aTarget;
    1.64 +            return idx;
    1.65 +          }
    1.66 +        }
    1.67 +        return -1;
    1.68 +      }
    1.69 +
    1.70 +      /**
    1.71 +       * Replace the default target currently registered for a given event type
    1.72 +       * with the nodes in the targets array.
    1.73 +       */
    1.74 +      this.setTargets = function mutateA11yTree_setTargets(aEventType, aTargets) {
    1.75 +        var targetIdx = this.setTarget(aEventType, aTargets[0]);
    1.76 +
    1.77 +        var type = this.getA11yEventType(aEventType);
    1.78 +        for (var i = 1; i < aTargets.length; i++) {
    1.79 +          var checker = new invokerChecker(type, aTargets[i]);
    1.80 +          this.getEventSeq().splice(++targetIdx, 0, checker);
    1.81 +        }
    1.82 +      }
    1.83 +
    1.84 +      // Implementation
    1.85 +      this.getA11yEventType = function mutateA11yTree_getA11yEventType(aEventType)
    1.86 +      {
    1.87 +        if (aEventType == kReorderEvent)
    1.88 +          return nsIAccessibleEvent.EVENT_REORDER;
    1.89 +
    1.90 +        if (aEventType == kHideEvent)
    1.91 +          return nsIAccessibleEvent.EVENT_HIDE;
    1.92 +
    1.93 +        if (aEventType == kShowEvent)
    1.94 +          return nsIAccessibleEvent.EVENT_SHOW;
    1.95 +      }
    1.96 +
    1.97 +      this.getEventSeq = function mutateA11yTree_getEventSeq()
    1.98 +      {
    1.99 +        return this.doNotExpectEvents ? this.unexpectedEventSeq : this.eventSeq;
   1.100 +      }
   1.101 +
   1.102 +      if (aEventTypes & kHideEvent) {
   1.103 +        var checker = new invokerChecker(this.getA11yEventType(kHideEvent),
   1.104 +                                         this.DOMNode);
   1.105 +        this.getEventSeq().push(checker);
   1.106 +      }
   1.107 +
   1.108 +      if (aEventTypes & kShowEvent) {
   1.109 +        var checker = new invokerChecker(this.getA11yEventType(kShowEvent),
   1.110 +                                         this.DOMNode);
   1.111 +        this.getEventSeq().push(checker);
   1.112 +      }
   1.113 +
   1.114 +      if (aEventTypes & kReorderEvent) {
   1.115 +        var checker = new invokerChecker(this.getA11yEventType(kReorderEvent),
   1.116 +                                         this.DOMNode.parentNode);
   1.117 +        this.getEventSeq().push(checker);
   1.118 +      }
   1.119 +    }
   1.120 +
   1.121 +    /**
   1.122 +     * Change CSS style for the given node.
   1.123 +     */
   1.124 +    function changeStyle(aNodeOrID, aProp, aValue, aEventTypes)
   1.125 +    {
   1.126 +      this.__proto__ = new mutateA11yTree(aNodeOrID, aEventTypes, false);
   1.127 +
   1.128 +      this.invoke = function changeStyle_invoke()
   1.129 +      {
   1.130 +        this.DOMNode.style[aProp] = aValue;
   1.131 +      }
   1.132 +
   1.133 +      this.getID = function changeStyle_getID()
   1.134 +      {
   1.135 +        return aNodeOrID + " change style " + aProp + " on value " + aValue;
   1.136 +      }
   1.137 +    }
   1.138 +
   1.139 +    /**
   1.140 +     * Change class name for the given node.
   1.141 +     */
   1.142 +    function changeClass(aParentNodeOrID, aNodeOrID, aClassName, aEventTypes)
   1.143 +    {
   1.144 +      this.__proto__ = new mutateA11yTree(aNodeOrID, aEventTypes, false);
   1.145 +
   1.146 +      this.invoke = function changeClass_invoke()
   1.147 +      {
   1.148 +        this.parentDOMNode.className = aClassName;
   1.149 +      }
   1.150 +
   1.151 +      this.getID = function changeClass_getID()
   1.152 +      {
   1.153 +        return aNodeOrID + " change class " + aClassName;
   1.154 +      }
   1.155 +
   1.156 +      this.parentDOMNode = getNode(aParentNodeOrID);
   1.157 +    }
   1.158 +
   1.159 +    /**
   1.160 +     * Clone the node and append it to its parent.
   1.161 +     */
   1.162 +    function cloneAndAppendToDOM(aNodeOrID, aEventTypes,
   1.163 +                                 aTargetsFunc, aReorderTargetFunc)
   1.164 +    {
   1.165 +      var eventTypes = aEventTypes || kShowEvents;
   1.166 +      var doNotExpectEvents = (aEventTypes == kNoEvents);
   1.167 +
   1.168 +      this.__proto__ = new mutateA11yTree(aNodeOrID, eventTypes,
   1.169 +                                          doNotExpectEvents);
   1.170 +
   1.171 +      this.invoke = function cloneAndAppendToDOM_invoke()
   1.172 +      {
   1.173 +        var newElm = this.DOMNode.cloneNode(true);
   1.174 +        newElm.removeAttribute('id');
   1.175 +
   1.176 +        var targets = aTargetsFunc ?
   1.177 +          aTargetsFunc.call(null, newElm) : [newElm];
   1.178 +        this.setTargets(kShowEvent, targets);
   1.179 +
   1.180 +        if (aReorderTargetFunc) {
   1.181 +          var reorderTarget = aReorderTargetFunc.call(null, this.DOMNode);
   1.182 +          this.setTarget(kReorderEvent, reorderTarget);
   1.183 +        }
   1.184 +
   1.185 +        this.DOMNode.parentNode.appendChild(newElm);
   1.186 +      }
   1.187 +
   1.188 +      this.getID = function cloneAndAppendToDOM_getID()
   1.189 +      {
   1.190 +        return aNodeOrID + " clone and append to DOM.";
   1.191 +      }
   1.192 +    }
   1.193 +
   1.194 +    /**
   1.195 +     * Removes the node from DOM.
   1.196 +     */
   1.197 +    function removeFromDOM(aNodeOrID, aEventTypes,
   1.198 +                           aTargetsFunc, aReorderTargetFunc)
   1.199 +    {
   1.200 +      var eventTypes = aEventTypes || kHideEvents;
   1.201 +      var doNotExpectEvents = (aEventTypes == kNoEvents);
   1.202 +
   1.203 +      this.__proto__ = new mutateA11yTree(aNodeOrID, eventTypes,
   1.204 +                                          doNotExpectEvents);
   1.205 +
   1.206 +      this.invoke = function removeFromDOM_invoke()
   1.207 +      {
   1.208 +        this.DOMNode.parentNode.removeChild(this.DOMNode);
   1.209 +      }
   1.210 +
   1.211 +      this.getID = function removeFromDOM_getID()
   1.212 +      {
   1.213 +        return prettyName(aNodeOrID) + " remove from DOM.";
   1.214 +      }
   1.215 +
   1.216 +      if (aTargetsFunc && (eventTypes & kHideEvent))
   1.217 +        this.setTargets(kHideEvent, aTargetsFunc.call(null, this.DOMNode));
   1.218 +
   1.219 +      if (aReorderTargetFunc && (eventTypes & kReorderEvent))
   1.220 +        this.setTarget(kReorderEvent,
   1.221 +                       aReorderTargetFunc.call(null, this.DOMNode));
   1.222 +    }
   1.223 +
   1.224 +    /**
   1.225 +     * Clone the node and replace the original node by cloned one.
   1.226 +     */
   1.227 +    function cloneAndReplaceInDOM(aNodeOrID)
   1.228 +    {
   1.229 +      this.__proto__ = new mutateA11yTree(aNodeOrID, kHideAndShowEvents,
   1.230 +                                          false);
   1.231 +
   1.232 +      this.invoke = function cloneAndReplaceInDOM_invoke()
   1.233 +      {
   1.234 +        this.DOMNode.parentNode.replaceChild(this.newElm, this.DOMNode);
   1.235 +      }
   1.236 +
   1.237 +      this.getID = function cloneAndReplaceInDOM_getID()
   1.238 +      {
   1.239 +        return aNodeOrID + " clone and replace in DOM.";
   1.240 +      }
   1.241 +
   1.242 +      this.newElm = this.DOMNode.cloneNode(true);
   1.243 +      this.newElm.removeAttribute('id');
   1.244 +      this.setTarget(kShowEvent, this.newElm);
   1.245 +    }
   1.246 +
   1.247 +    /**
   1.248 +     * Trigger content insertion (flush layout), removal and insertion of
   1.249 +     * the same element for the same parent.
   1.250 +     */
   1.251 +    function test1(aContainerID)
   1.252 +    {
   1.253 +      this.divNode = document.createElement("div");
   1.254 +      this.divNode.setAttribute("id", "div-test1");
   1.255 +      this.containerNode = getNode(aContainerID);
   1.256 +
   1.257 +      this.eventSeq = [
   1.258 +        new invokerChecker(EVENT_SHOW, this.divNode),
   1.259 +        new invokerChecker(EVENT_REORDER, this.containerNode)
   1.260 +      ];
   1.261 +
   1.262 +      this.invoke = function test1_invoke()
   1.263 +      {
   1.264 +        this.containerNode.appendChild(this.divNode);
   1.265 +        getComputedStyle(this.divNode, "").color;
   1.266 +        this.containerNode.removeChild(this.divNode);
   1.267 +        this.containerNode.appendChild(this.divNode);
   1.268 +      }
   1.269 +
   1.270 +      this.getID = function test1_getID()
   1.271 +      {
   1.272 +        return "fuzzy test #1: content insertion (flush layout), removal and" +
   1.273 +          "reinsertion";
   1.274 +      }
   1.275 +    }
   1.276 +
   1.277 +    /**
   1.278 +     * Trigger content insertion (flush layout), removal and insertion of
   1.279 +     * the same element for the different parents.
   1.280 +     */
   1.281 +    function test2(aContainerID, aTmpContainerID)
   1.282 +    {
   1.283 +      this.divNode = document.createElement("div");
   1.284 +      this.divNode.setAttribute("id", "div-test2");
   1.285 +      this.containerNode = getNode(aContainerID);
   1.286 +      this.tmpContainerNode = getNode(aTmpContainerID);
   1.287 +      this.container = getAccessible(this.containerNode);
   1.288 +      this.tmpContainer = getAccessible(this.tmpContainerNode);
   1.289 +
   1.290 +      this.eventSeq = [
   1.291 +        new invokerChecker(EVENT_SHOW, this.divNode),
   1.292 +        new invokerChecker(EVENT_REORDER, this.containerNode)
   1.293 +      ];
   1.294 +
   1.295 +      this.unexpectedEventSeq = [
   1.296 +        new invokerChecker(EVENT_REORDER, this.tmpContainerNode)
   1.297 +      ];
   1.298 +
   1.299 +      this.invoke = function test2_invoke()
   1.300 +      {
   1.301 +        this.tmpContainerNode.appendChild(this.divNode);
   1.302 +        getComputedStyle(this.divNode, "").color;
   1.303 +        this.tmpContainerNode.removeChild(this.divNode);
   1.304 +        this.containerNode.appendChild(this.divNode);
   1.305 +      }
   1.306 +
   1.307 +      this.getID = function test2_getID()
   1.308 +      {
   1.309 +        return "fuzzy test #2: content insertion (flush layout), removal and" +
   1.310 +          "reinsertion under another container";
   1.311 +      }
   1.312 +    }
   1.313 +
   1.314 +    /**
   1.315 +     * Content insertion (flush layout) and then removal (nothing was changed).
   1.316 +     */
   1.317 +    function test3(aContainerID)
   1.318 +    {
   1.319 +      this.divNode = document.createElement("div");
   1.320 +      this.divNode.setAttribute("id", "div-test3");
   1.321 +      this.containerNode = getNode(aContainerID);
   1.322 +
   1.323 +      this.unexpectedEventSeq = [
   1.324 +        new invokerChecker(EVENT_SHOW, this.divNode),
   1.325 +        new invokerChecker(EVENT_HIDE, this.divNode),
   1.326 +        new invokerChecker(EVENT_REORDER, this.containerNode)
   1.327 +      ];
   1.328 +
   1.329 +      this.invoke = function test3_invoke()
   1.330 +      {
   1.331 +        this.containerNode.appendChild(this.divNode);
   1.332 +        getComputedStyle(this.divNode, "").color;
   1.333 +        this.containerNode.removeChild(this.divNode);
   1.334 +      }
   1.335 +
   1.336 +      this.getID = function test3_getID()
   1.337 +      {
   1.338 +        return "fuzzy test #3: content insertion (flush layout) and removal";
   1.339 +      }
   1.340 +    }
   1.341 +
   1.342 +    /**
   1.343 +     * Target getters.
   1.344 +     */
   1.345 +    function getFirstChild(aNode)
   1.346 +    {
   1.347 +      return [aNode.firstChild];
   1.348 +    }
   1.349 +
   1.350 +    function getNEnsureFirstChild(aNode)
   1.351 +    {
   1.352 +      var node = aNode.firstChild;
   1.353 +      getAccessible(node);
   1.354 +      return [node];
   1.355 +    }
   1.356 +
   1.357 +    function getNEnsureChildren(aNode)
   1.358 +    {
   1.359 +      var children = [];
   1.360 +      var node = aNode.firstChild;
   1.361 +      do {
   1.362 +        children.push(node);
   1.363 +        getAccessible(node);
   1.364 +        node = node.nextSibling;
   1.365 +      } while (node);
   1.366 +
   1.367 +      return children;
   1.368 +    }
   1.369 +
   1.370 +    function getParent(aNode)
   1.371 +    {
   1.372 +      return aNode.parentNode;
   1.373 +    }
   1.374 +
   1.375 +    /**
   1.376 +     * Do tests.
   1.377 +     */
   1.378 +    var gQueue = null;
   1.379 +    //gA11yEventDumpToConsole = true; // debug stuff
   1.380 +
   1.381 +    function doTests()
   1.382 +    {
   1.383 +      gQueue = new eventQueue();
   1.384 +
   1.385 +      // Show/hide events by changing of display style of accessible DOM node
   1.386 +      // from 'inline' to 'none', 'none' to 'inline'.
   1.387 +      var id = "link1";
   1.388 +      getAccessible(id); // ensure accessible is created
   1.389 +      gQueue.push(new changeStyle(id, "display", "none", kHideEvents));
   1.390 +      gQueue.push(new changeStyle(id, "display", "inline", kShowEvents));
   1.391 +
   1.392 +      // Show/hide events by changing of visibility style of accessible DOM node
   1.393 +      // from 'visible' to 'hidden', 'hidden' to 'visible'.
   1.394 +      var id = "link2";
   1.395 +      getAccessible(id);
   1.396 +      gQueue.push(new changeStyle(id, "visibility", "hidden", kHideEvents));
   1.397 +      gQueue.push(new changeStyle(id, "visibility", "visible", kShowEvents));
   1.398 +
   1.399 +      // Show/hide events by changing of display style of accessible DOM node
   1.400 +      // from 'inline' to 'block', 'block' to 'inline'.
   1.401 +      var id = "link3";
   1.402 +      getAccessible(id); // ensure accessible is created
   1.403 +      gQueue.push(new changeStyle(id, "display", "block", kHideAndShowEvents));
   1.404 +      gQueue.push(new changeStyle(id, "display", "inline", kHideAndShowEvents));
   1.405 +
   1.406 +      // Show/hide events by changing of visibility style of accessible DOM node
   1.407 +      // from 'collapse' to 'visible', 'visible' to 'collapse'.
   1.408 +      var id = "link4";
   1.409 +      gQueue.push(new changeStyle(id, "visibility", "visible", kShowEvents));
   1.410 +      gQueue.push(new changeStyle(id, "visibility", "collapse", kHideEvents));
   1.411 +
   1.412 +      // Show/hide events by adding new accessible DOM node and removing old one.
   1.413 +      var id = "link5";
   1.414 +      gQueue.push(new cloneAndAppendToDOM(id));
   1.415 +      gQueue.push(new removeFromDOM(id));
   1.416 +
   1.417 +      // No show/hide events by adding new not accessible DOM node and removing
   1.418 +      // old one, no reorder event for their parent.
   1.419 +      var id = "child1";
   1.420 +      gQueue.push(new cloneAndAppendToDOM(id, kNoEvents));
   1.421 +      gQueue.push(new removeFromDOM(id, kNoEvents));
   1.422 +
   1.423 +      // Show/hide events by adding new accessible DOM node and removing
   1.424 +      // old one, there is reorder event for their parent.
   1.425 +      var id = "child2";
   1.426 +      gQueue.push(new cloneAndAppendToDOM(id));
   1.427 +      gQueue.push(new removeFromDOM(id));
   1.428 +
   1.429 +      // Show/hide events by adding new DOM node containing accessible DOM and
   1.430 +      // removing old one, there is reorder event for their parent.
   1.431 +      var id = "child3";
   1.432 +      gQueue.push(new cloneAndAppendToDOM(id, kShowEvents, getFirstChild,
   1.433 +                                          getParent));
   1.434 +
   1.435 +      // Hide event for accessible child of unaccessible removed DOM node and
   1.436 +      // reorder event for its parent.
   1.437 +      gQueue.push(new removeFromDOM(id, kHideEvents,
   1.438 +                                    getNEnsureFirstChild, getParent));
   1.439 +
   1.440 +      // Hide events for accessible children of unaccessible removed DOM node
   1.441 +      // and reorder event for its parent.
   1.442 +      gQueue.push(new removeFromDOM("child4", kHideEvents,
   1.443 +                                    getNEnsureChildren, getParent));
   1.444 +
   1.445 +      // Show/hide events by creating new accessible DOM node and replacing
   1.446 +      // old one.
   1.447 +      getAccessible("link6"); // ensure accessible is created
   1.448 +      gQueue.push(new cloneAndReplaceInDOM("link6"));
   1.449 +
   1.450 +      // Show/hide events by changing class name on the parent node.
   1.451 +      gQueue.push(new changeClass("container2", "link7", "", kShowEvents));
   1.452 +      gQueue.push(new changeClass("container2", "link7", "displayNone",
   1.453 +                                  kHideEvents));
   1.454 +
   1.455 +      gQueue.push(new changeClass("container3", "link8", "", kShowEvents));
   1.456 +      gQueue.push(new changeClass("container3", "link8", "visibilityHidden",
   1.457 +                                  kHideEvents));
   1.458 +
   1.459 +      gQueue.push(new test1("testContainer"));
   1.460 +      gQueue.push(new test2("testContainer", "testContainer2"));
   1.461 +      gQueue.push(new test2("testContainer", "testNestedContainer"));
   1.462 +      gQueue.push(new test3("testContainer"));
   1.463 +
   1.464 +      gQueue.invoke(); // Will call SimpleTest.finish();
   1.465 +    }
   1.466 +
   1.467 +    SimpleTest.waitForExplicitFinish();
   1.468 +    addA11yLoadEvent(doTests);
   1.469 +  </script>
   1.470 +</head>
   1.471 +
   1.472 +<body>
   1.473 +
   1.474 +  <a target="_blank"
   1.475 +     href="https://bugzilla.mozilla.org/show_bug.cgi?id=469985"
   1.476 +     title=" turn the test from bug 354745 into mochitest">
   1.477 +    Mozilla Bug 469985</a>
   1.478 +  <a target="_blank"
   1.479 +     href="https://bugzilla.mozilla.org/show_bug.cgi?id=472662"
   1.480 +     title="no reorder event when html:link display property is changed from 'none' to 'inline'">
   1.481 +    Mozilla Bug 472662</a>
   1.482 +  <a target="_blank"
   1.483 +     title="Rework accessible tree update code"
   1.484 +     href="https://bugzilla.mozilla.org/show_bug.cgi?id=570275">
   1.485 +    Mozilla Bug 570275</a>
   1.486 +  <a target="_blank"
   1.487 +     title="Develop a way to handle visibility style"
   1.488 +     href="https://bugzilla.mozilla.org/show_bug.cgi?id=606125">
   1.489 +    Mozilla Bug 606125</a>
   1.490 +  <a target="_blank"
   1.491 +     title="Update accessible tree on content insertion after layout"
   1.492 +     href="https://bugzilla.mozilla.org/show_bug.cgi?id=498015">
   1.493 +    Mozilla Bug 498015</a>
   1.494 +
   1.495 +  <p id="display"></p>
   1.496 +  <div id="content" style="display: none"></div>
   1.497 +  <pre id="test">
   1.498 +  </pre>
   1.499 +  <div id="eventdump"></div>
   1.500 +
   1.501 +  <div id="testContainer">
   1.502 +    <a id="link1" href="http://www.google.com">Link #1</a>
   1.503 +    <a id="link2" href="http://www.google.com">Link #2</a>
   1.504 +    <a id="link3" href="http://www.google.com">Link #3</a>
   1.505 +    <a id="link4" href="http://www.google.com" style="visibility:collapse">Link #4</a>
   1.506 +    <a id="link5" href="http://www.google.com">Link #5</a>
   1.507 +
   1.508 +    <div id="container" role="list">
   1.509 +      <span id="child1"></span>
   1.510 +      <span id="child2" role="listitem"></span>
   1.511 +      <span id="child3"><span role="listitem"></span></span>
   1.512 +      <span id="child4"><span id="child4_1" role="listitem"></span><span id="child4_2" role="listitem"></span></span>
   1.513 +    </div>
   1.514 +
   1.515 +    <a id="link6" href="http://www.google.com">Link #6</a>
   1.516 +
   1.517 +    <div id="container2" class="displayNone"><a id="link7">Link #7</a></div>
   1.518 +    <div id="container3" class="visibilityHidden"><a id="link8">Link #8</a></div>
   1.519 +    <div id="testNestedContainer"></div>
   1.520 +  </div>
   1.521 +  <div id="testContainer2"></div>
   1.522 +</body>
   1.523 +</html>

mercurial