gecko/accessible/tests/mochitest/test_events_coalescence.html

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<html>
<head>
<title>Accessible mutation events coalescence testing</title>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<script type="application/javascript"
src="chrome://mochikit/content/MochiKit/packed.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/common.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/events.js"></script>
<script type="application/javascript">
////////////////////////////////////////////////////////////////////////////
// Invoker base classes
const kRemoveElm = 1;
const kHideElm = 2;
const kAddElm = 3;
const kShowElm = 4;
const kToDo = true;
/**
* Base class to test of mutation events coalescence.
*/
function coalescenceBase(aChildAction, aParentAction,
aPerformActionOnChildInTheFirstPlace,
aIsChildsToDo)
{
// Invoker interface
this.invoke = function coalescenceBase_invoke()
{
if (aPerformActionOnChildInTheFirstPlace) {
this.invokeAction(this.childNode, aChildAction);
this.invokeAction(this.parentNode, aParentAction);
} else {
this.invokeAction(this.parentNode, aParentAction);
this.invokeAction(this.childNode, aChildAction);
}
}
this.getID = function coalescenceBase_getID()
{
var childAction = this.getActionName(aChildAction) + " child";
var parentAction = this.getActionName(aParentAction) + " parent";
if (aPerformActionOnChildInTheFirstPlace)
return childAction + " and then " + parentAction;
return parentAction + " and then " + childAction;
}
this.finalCheck = function coalescenceBase_check()
{
if (!aIsChildsToDo)
return;
var eventType = eventTypeToString(this.getEventType(aChildAction));
todo(false,
"Unexpected event " + eventType +
" for child in the test '" + this.getID() + "'");
}
// Implementation details
this.invokeAction = function coalescenceBase_invokeAction(aNode, aAction)
{
switch (aAction) {
case kRemoveElm:
aNode.parentNode.removeChild(aNode);
break;
case kHideElm:
aNode.style.display = "none";
break;
case kAddElm:
if (aNode == this.parentNode)
this.hostNode.appendChild(this.parentNode);
else
this.parentNode.appendChild(this.childNode);
break;
case kShowElm:
aNode.style.display = "block";
default:
return INVOKER_ACTION_FAILED;
}
}
this.getEventType = function coalescenceBase_getEventType(aAction)
{
switch (aAction) {
case kRemoveElm: case kHideElm:
return EVENT_HIDE;
case kAddElm: case kShowElm:
return EVENT_SHOW;
}
}
this.getActionName = function coalescenceBase_getActionName(aAction)
{
switch (aAction) {
case kRemoveElm:
return "remove";
case kHideElm:
return "hide";
case kAddElm:
return "add";
case kShowElm:
return "show";
default:
return "??";
}
}
this.initSequence = function coalescenceBase_initSequence()
{
// expected events
var eventType = this.getEventType(aParentAction);
this.eventSeq = [
new invokerChecker(eventType, this.parentNode),
new invokerChecker(EVENT_REORDER, this.hostNode)
];
// unexpected events
this.unexpectedEventSeq = [
new invokerChecker(EVENT_REORDER, this.parentNode)
];
if (!aIsChildsToDo) {
var eventType = this.getEventType(aChildAction);
var checker = new invokerChecker(eventType, this.childNode);
this.unexpectedEventSeq.unshift(checker);
}
}
}
/**
* Remove or hide mutation events coalescence testing.
*/
function removeOrHideCoalescenceBase(aChildID, aParentID,
aChildAction, aParentAction,
aPerformActionOnChildInTheFirstPlace,
aIsChildsToDo)
{
this.__proto__ = new coalescenceBase(aChildAction, aParentAction,
aPerformActionOnChildInTheFirstPlace,
aIsChildsToDo);
this.init = function removeOrHideCoalescenceBase_init()
{
this.childNode = getNode(aChildID);
this.parentNode = getNode(aParentID);
this.hostNode = this.parentNode.parentNode;
// ensure child accessible is created
getAccessible(this.childNode);
}
// Initalization
this.init();
this.initSequence();
}
////////////////////////////////////////////////////////////////////////////
// Invokers
/**
* Remove child node and then its parent node from DOM tree.
*/
function removeChildNParent(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kRemoveElm, kRemoveElm,
true, kToDo);
}
/**
* Remove parent node and then its child node from DOM tree.
*/
function removeParentNChild(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kRemoveElm, kRemoveElm,
false);
}
/**
* Hide child node and then its parent node.
*/
function hideChildNParent(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kHideElm, kHideElm,
true);
}
/**
* Hide parent node and then its child node.
*/
function hideParentNChild(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kHideElm, kHideElm,
false);
}
/**
* Hide child node and then remove its parent node.
*/
function hideChildNRemoveParent(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kHideElm, kRemoveElm,
true);
}
/**
* Hide parent node and then remove its child node.
*/
function hideParentNRemoveChild(aChildID, aParentID)
{
// Because of async layout changes we handle remove child node change
// before than hide parent node change even we hide parent before we
// remove a child. Therefore mark this as todo until we have more smart
// events coalescence.
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kRemoveElm, kHideElm,
false, kToDo);
}
/**
* Remove child node and then hide its parent node.
*/
function removeChildNHideParent(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kRemoveElm, kHideElm,
true, kToDo);
}
/**
* Remove parent node and then hide its child node.
*/
function removeParentNHideChild(aChildID, aParentID)
{
this.__proto__ = new removeOrHideCoalescenceBase(aChildID, aParentID,
kHideElm, kRemoveElm,
false);
}
/**
* Create and append parent node and create and append child node to it.
*/
function addParentNChild(aHostID, aPerformActionOnChildInTheFirstPlace)
{
this.init = function addParentNChild_init()
{
this.hostNode = getNode(aHostID);
this.parentNode = document.createElement("select");
this.childNode = document.createElement("option");
this.childNode.textContent = "testing";
}
this.__proto__ = new coalescenceBase(kAddElm, kAddElm,
aPerformActionOnChildInTheFirstPlace);
this.init();
this.initSequence();
}
/**
* Show parent node and show child node to it.
*/
function showParentNChild(aParentID, aChildID,
aPerformActionOnChildInTheFirstPlace)
{
this.init = function showParentNChild_init()
{
this.parentNode = getNode(aParentID);
this.hostNode = this.parentNode.parentNode;
this.childNode = getNode(aChildID);
}
this.__proto__ = new coalescenceBase(kShowElm, kShowElm,
aPerformActionOnChildInTheFirstPlace);
this.init();
this.initSequence();
}
/**
* Create and append child node to the DOM and then show parent node.
*/
function showParentNAddChild(aParentID,
aPerformActionOnChildInTheFirstPlace)
{
this.init = function showParentNAddChild_init()
{
this.parentNode = getNode(aParentID);
this.hostNode = this.parentNode.parentNode;
this.childNode = document.createElement("option");
this.childNode.textContent = "testing";
}
this.__proto__ = new coalescenceBase(kAddElm, kShowElm,
aPerformActionOnChildInTheFirstPlace);
this.init();
this.initSequence();
}
////////////////////////////////////////////////////////////////////////////
// Do tests.
var gQueue = null;
// var gA11yEventDumpID = "eventdump"; // debug stuff
function doTests()
{
gQueue = new eventQueue();
gQueue.push(new removeChildNParent("option1", "select1"));
gQueue.push(new removeParentNChild("option2", "select2"));
gQueue.push(new hideChildNParent("option3", "select3"));
gQueue.push(new hideParentNChild("option4", "select4"));
gQueue.push(new hideChildNRemoveParent("option5", "select5"));
gQueue.push(new hideParentNRemoveChild("option6", "select6"));
gQueue.push(new removeChildNHideParent("option7", "select7"));
gQueue.push(new removeParentNHideChild("option8", "select8"));
gQueue.push(new addParentNChild("testContainer", false));
gQueue.push(new addParentNChild("testContainer", true));
gQueue.push(new showParentNChild("select9", "option9", false));
gQueue.push(new showParentNChild("select10", "option10", true));
gQueue.push(new showParentNAddChild("select11", false));
gQueue.push(new showParentNAddChild("select12", true));
gQueue.invoke(); // Will call SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addA11yLoadEvent(doTests);
</script>
</head>
<body>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=513213"
title="coalesce events when new event is appended to the queue">
Mozilla Bug 513213
</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<div id="eventdump"></div>
<div id="testContainer">
<select id="select1">
<option id="option1">option</option>
</select>
<select id="select2">
<option id="option2">option</option>
</select>
<select id="select3">
<option id="option3">option</option>
</select>
<select id="select4">
<option id="option4">option</option>
</select>
<select id="select5">
<option id="option5">option</option>
</select>
<select id="select6">
<option id="option6">option</option>
</select>
<select id="select7">
<option id="option7">option</option>
</select>
<select id="select8">
<option id="option8">option</option>
</select>
<select id="select9" style="display: none">
<option id="option9" style="display: none">testing</option>
</select>
<select id="select10" style="display: none">
<option id="option10" style="display: none">testing</option>
</select>
<select id="select11" style="display: none"></select>
<select id="select12" style="display: none"></select>
</div>
</body>
</html>