gecko/accessible/tests/mochitest/test_events_valuechange.html

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HTML

<html>
<head>
<title>Accessible value change events 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/a11y/accessible/common.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/events.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/value.js"></script>
<script type="application/javascript">
/**
* Do tests.
*/
var gQueue = null;
// Value change invoker
function changeValue(aNodeOrID, aValuenow, aValuetext)
{
this.DOMNode = getNode(aNodeOrID);
this.invoke = function changeValue_invoke() {
// Note: this should not fire an EVENT_VALUE_CHANGE when aria-valuetext
// is not empty
if (aValuenow != undefined)
this.DOMNode.setAttribute("aria-valuenow", aValuenow);
// Note: this should always fire an EVENT_VALUE_CHANGE
if (aValuetext != undefined)
this.DOMNode.setAttribute("aria-valuetext", aValuetext);
}
this.check = function changeValue_check() {
var acc = getAccessible(aNodeOrID, [nsIAccessibleValue]);
if (!acc)
return;
// Note: always test against valuetext first because the existence of
// aria-valuetext takes precedence over aria-valuenow in gecko.
is(acc.value, (aValuetext != undefined)? aValuetext : aValuenow,
"Wrong value of " + prettyName(aNodeOrID));
}
this.getID = function changeValue_getID() {
return prettyName(aNodeOrID) + " value changed";
}
}
function doTests()
{
// Test initial values
testValue("slider_vn", "5", 5, 0, 1000, 0);
testValue("slider_vnvt", "plain", 0, 0, 5, 0);
testValue("slider_vt", "hi", 0, 0, 3, 0);
// Test value change events
gQueue = new eventQueue(nsIAccessibleEvent.EVENT_VALUE_CHANGE);
gQueue.push(new changeValue("slider_vn", "6", undefined));
gQueue.push(new changeValue("slider_vt", undefined, "hey!"));
gQueue.push(new changeValue("slider_vnvt", "3", "sweet"));
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=478032"
title=" Fire delayed value changed event for aria-valuetext changes">
Mozilla Bug 478032
</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<div id="eventdump"></div>
<!-- ARIA sliders -->
<div id="slider_vn" role="slider" aria-valuenow="5"
aria-valuemin="0" aria-valuemax="1000">slider</div>
<div id="slider_vt" role="slider" aria-valuetext="hi"
aria-valuemin="0" aria-valuemax="3">greeting slider</div>
<div id="slider_vnvt" role="slider" aria-valuenow="0" aria-valuetext="plain"
aria-valuemin="0" aria-valuemax="5">sweetness slider</div>
</body>
</html>