layout/base/tests/test_bug629838.html@6474c204b198
layout/base/tests/test_bug629838.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <title>Tests for MozAfterPaint</title>
5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
6 <script type="text/javascript" src="enableTestPlugin.js"></script>
7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
8 </head>
9 <body>
10 <p id="display">
11 <embed type="application/x-test" width="100" height="100" id="p"
12 drawmode="solid" color="FF00FF00"></embed>
13 </p>
14 <div id="content" style="display: none">
16 </div>
17 <pre id="test">
18 <script class="testbody" type="text/javascript">
20 SimpleTest.waitForExplicitFinish();
22 var initialPaintCount, afterPaintCount;
23 var color = 0;
25 function onAfterPaint () {
26 afterPaintCount += 1;
27 }
29 function startTest() {
30 setTimeout(function () {
31 afterPaintCount = 0;
32 initialPaintCount = window.mozPaintCount;
33 window.addEventListener("MozAfterPaint", onAfterPaint, true);
34 doBackgroundFlicker();
35 }, 500);
36 }
38 document.addEventListener("DOMContentLoaded", startTest, true);
40 // Unfortunately we cannot reliably assert that mozPaintCount and afterPaintCount increment perfectly
41 // in sync, because they can diverge in the presence of OS-triggered paints or system load.
42 // Instead, wait for a minimum number of afterPaint events to at least ensure that they are being fired.
43 const minimumAfterPaintsToPass = 10;
45 function doPluginFlicker() {
46 ok(true, "Plugin color iteration " + color +
47 ", afterpaint count: " + afterPaintCount +
48 ", mozpaint count: " + window.mozPaintCount);
49 if (afterPaintCount >= minimumAfterPaintsToPass) {
50 ok(true, "afterPaintCount incremented enough from plugin color changes.");
51 SimpleTest.finish();
52 return;
53 }
55 color = (color + 1) % 256;
56 var str = color.toString(16);
57 if (str.length < 2) {
58 str = "0" + str;
59 }
60 str = "FF" + str + str + str;
61 document.getElementById("p").setColor(str);
62 setTimeout(doPluginFlicker, 0);
63 }
65 function doBackgroundFlicker() {
66 ok(true, "Background color iteration " + color +
67 ", afterpaint count: " + afterPaintCount +
68 ", mozpaint count: " + window.mozPaintCount);
69 if (afterPaintCount >= minimumAfterPaintsToPass) {
70 ok(true, "afterPaintCount incremented enough from background color changes.");
71 afterPaintCount = 0;
72 initialPaintCount = window.mozPaintCount;
73 doPluginFlicker();
74 return;
75 }
77 color = (color + 1) % 256;
78 document.body.style.backgroundColor = "rgb(" + color + "," + color + "," + color + ")";
79 setTimeout(doBackgroundFlicker, 0);
80 }
82 </script>
83 </pre>
85 <div style="height:4000px"></div>
86 <a id="first" href="http://www.mozilla.org/">first<br>link</a>
87 <a id="second" href="http://www.mozilla.org/">second link</a>
88 <a id="third" href="http://www.mozilla.org/">third<br>link</a>
89 <div style="height:4000px"></div>
91 </body>
92 </html>
