<!DOCTYPE html>

<html>
<head>
    <style>
        .box {
            height: 100px;
            width: 100px;
            background-color: blue;
        }
        
        img {
            height: 90%;
            width: 90%;
        }
    </style>
    <script>
        if (window.testRunner) {
            testRunner.dumpAsText();
            testRunner.waitUntilDone();
        }

        function sleep(ms) {
            var endTime = (new Date().getTime()) + ms;
            while ((new Date().getTime()) < endTime) {
            }
        }
        
        const maxIterations = 20;
        var iteration = 0;
        function startTest()
        {
            var interval = window.setInterval(function() {
                // Sleep to get the GIF into catchup mode.
                sleep(50);
                if (++iteration == maxIterations) {
                    window.clearInterval(interval);
                    if (window.testRunner)
                        testRunner.notifyDone();
                }
            }, 20);
        }

        window.addEventListener('load', startTest);
    </script>
</head>
<body>
    <p>This test should not assert in debug builds.</p>
    <div class="box">
        <img src="resources/spinner.gif" width="100" height="100">
    </div>
</body>
</html>