<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=666446 --> <head> <title>Test for Bug 666446 - Animated Background Images</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script> <script type="application/javascript" src="imgutils.js"></script> <script type="application/javascript" src="animationPolling.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=666446"> Mozilla Bug 666446: lots of animated gifs swamp us with paint events </a> <p id="display"></p> <div id="content"> <div id="referenceDiv" style="height: 140px; width: 140px; display: none; background: #2aff00"></div> <div id="bgImage" style="height: 140px; width: 140px; background-image: url(animated-gif.gif); display: none;"> </div> </div> <div id="debug" style="display:none"></div> <pre id="test"> <script type="text/javascript;version=1.8"> /** Test for Bug 666446 nsImageLoader/RasterImage**/ const FAILURE_TIMEOUT = 120000; // Fail early after 120 seconds (2 minutes) function main() { var animTest = new AnimationTest(20, FAILURE_TIMEOUT, 'referenceDiv', 'bgImage', 'debug'); animTest.beginTest(); } window.onload = main; </script> </pre> </body> </html>