LayoutTests/http/tests/images/jpeg-partial-load.html

<img style="background: green" >
<script>
if (window.testRunner) {
    testRunner.dumpAsText(true);
    testRunner.waitUntilDone();
}

function loadAndStall()
{
    return "http://127.0.0.1:8000/resources/load-and-stall.php";
}

function jpegImage()
{
    return "?name=../../../fast/images/resources/lenna.jpg&mimeType=image%2Fjpeg";
}

function testDone()
{
    window.testRunner && testRunner.notifyDone();
}

function runTest()
{
    document.querySelector("img").src = loadAndStall() + jpegImage() + "&stallAt=14337&stallFor=60";
    setTimeout(testDone, 500);
}

setTimeout(runTest, 0);
</script>