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<!DOCTYPE HTML>
<html>
<head>
<title>Tests for MozAfterPaint</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="plugin-utils.js"></script>
<script type="application/javascript">
setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
</script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display">
<embed type="application/x-test" width="100" height="100" id="p"
drawmode="solid" color="FF00FF00"></embed>
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");
var initialPaintCount, afterPaintCount;
var color = 0;
function onAfterPaint () {
afterPaintCount += 1;
}
function startTest() {
setTimeout(function () {
afterPaintCount = 0;
initialPaintCount = window.mozPaintCount;
window.addEventListener("MozAfterPaint", onAfterPaint, true);
doBackgroundFlicker();
}, 500);
}
document.addEventListener("DOMContentLoaded", startTest, true);
// Unfortunately we cannot reliably assert that mozPaintCount and afterPaintCount increment perfectly
// in sync, because they can diverge in the presence of OS-triggered paints or system load.
// Instead, wait for a minimum number of afterPaint events to at least ensure that they are being fired.
const minimumAfterPaintsToPass = 10;
function doPluginFlicker() {
ok(true, "Plugin color iteration " + color +
", afterpaint count: " + afterPaintCount +
", mozpaint count: " + window.mozPaintCount);
if (afterPaintCount >= minimumAfterPaintsToPass) {
ok(true, "afterPaintCount incremented enough from plugin color changes.");
SimpleTest.finish();
return;
}
color = (color + 1) % 256;
var str = color.toString(16);
if (str.length < 2) {
str = "0" + str;
}
str = "FF" + str + str + str;
document.getElementById("p").setColor(str);
setTimeout(doPluginFlicker, 0);
}
function doBackgroundFlicker() {
ok(true, "Background color iteration " + color +
", afterpaint count: " + afterPaintCount +
", mozpaint count: " + window.mozPaintCount);
if (afterPaintCount >= minimumAfterPaintsToPass) {
ok(true, "afterPaintCount incremented enough from background color changes.");
afterPaintCount = 0;
initialPaintCount = window.mozPaintCount;
doPluginFlicker();
return;
}
color = (color + 1) % 256;
document.body.style.backgroundColor = "rgb(" + color + "," + color + "," + color + ")";
setTimeout(doBackgroundFlicker, 0);
}
</script>
</pre>
<div style="height:4000px"></div>
<a id="first" href="http://www.mozilla.org/">first<br>link</a>
<a id="second" href="http://www.mozilla.org/">second link</a>
<a id="third" href="http://www.mozilla.org/">third<br>link</a>
<div style="height:4000px"></div>
</body>
</html>
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