1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/tests/test_bug629838.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,93 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<head>
1.7 + <title>Tests for MozAfterPaint</title>
1.8 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.9 + <script type="text/javascript" src="enableTestPlugin.js"></script>
1.10 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.11 +</head>
1.12 +<body>
1.13 +<p id="display">
1.14 +<embed type="application/x-test" width="100" height="100" id="p"
1.15 + drawmode="solid" color="FF00FF00"></embed>
1.16 +</p>
1.17 +<div id="content" style="display: none">
1.18 +
1.19 +</div>
1.20 +<pre id="test">
1.21 +<script class="testbody" type="text/javascript">
1.22 +
1.23 +SimpleTest.waitForExplicitFinish();
1.24 +
1.25 +var initialPaintCount, afterPaintCount;
1.26 +var color = 0;
1.27 +
1.28 +function onAfterPaint () {
1.29 + afterPaintCount += 1;
1.30 +}
1.31 +
1.32 +function startTest() {
1.33 + setTimeout(function () {
1.34 + afterPaintCount = 0;
1.35 + initialPaintCount = window.mozPaintCount;
1.36 + window.addEventListener("MozAfterPaint", onAfterPaint, true);
1.37 + doBackgroundFlicker();
1.38 + }, 500);
1.39 +}
1.40 +
1.41 +document.addEventListener("DOMContentLoaded", startTest, true);
1.42 +
1.43 +// Unfortunately we cannot reliably assert that mozPaintCount and afterPaintCount increment perfectly
1.44 +// in sync, because they can diverge in the presence of OS-triggered paints or system load.
1.45 +// Instead, wait for a minimum number of afterPaint events to at least ensure that they are being fired.
1.46 +const minimumAfterPaintsToPass = 10;
1.47 +
1.48 +function doPluginFlicker() {
1.49 + ok(true, "Plugin color iteration " + color +
1.50 + ", afterpaint count: " + afterPaintCount +
1.51 + ", mozpaint count: " + window.mozPaintCount);
1.52 + if (afterPaintCount >= minimumAfterPaintsToPass) {
1.53 + ok(true, "afterPaintCount incremented enough from plugin color changes.");
1.54 + SimpleTest.finish();
1.55 + return;
1.56 + }
1.57 +
1.58 + color = (color + 1) % 256;
1.59 + var str = color.toString(16);
1.60 + if (str.length < 2) {
1.61 + str = "0" + str;
1.62 + }
1.63 + str = "FF" + str + str + str;
1.64 + document.getElementById("p").setColor(str);
1.65 + setTimeout(doPluginFlicker, 0);
1.66 +}
1.67 +
1.68 +function doBackgroundFlicker() {
1.69 + ok(true, "Background color iteration " + color +
1.70 + ", afterpaint count: " + afterPaintCount +
1.71 + ", mozpaint count: " + window.mozPaintCount);
1.72 + if (afterPaintCount >= minimumAfterPaintsToPass) {
1.73 + ok(true, "afterPaintCount incremented enough from background color changes.");
1.74 + afterPaintCount = 0;
1.75 + initialPaintCount = window.mozPaintCount;
1.76 + doPluginFlicker();
1.77 + return;
1.78 + }
1.79 +
1.80 + color = (color + 1) % 256;
1.81 + document.body.style.backgroundColor = "rgb(" + color + "," + color + "," + color + ")";
1.82 + setTimeout(doBackgroundFlicker, 0);
1.83 +}
1.84 +
1.85 +</script>
1.86 +</pre>
1.87 +
1.88 +<div style="height:4000px"></div>
1.89 +<a id="first" href="http://www.mozilla.org/">first<br>link</a>
1.90 +<a id="second" href="http://www.mozilla.org/">second link</a>
1.91 +<a id="third" href="http://www.mozilla.org/">third<br>link</a>
1.92 +<div style="height:4000px"></div>
1.93 +
1.94 +</body>
1.95 +</html>
1.96 +
