<body>
<script>
if (window.testRunner)
    testRunner.waitUntilDone();

function makeCollision(file)
{
    return "resources/make-sha1-collision.php?path=" + file;
}

function addImageFrame(src, timeout)
{
    if (window.internals)
        internals.clearMemoryCache();

    const frame = document.createElement("iframe");
    frame.width = 100;
    frame.height = 30;
    frame.src = src;
    document.body.appendChild(frame);
    document.body.appendChild(document.createTextNode("\n"));

    return new Promise(resolve => setTimeout(resolve, timeout));
}

async function test() {
    // Need to wait long enough for disk cache writes to happen.
    await addImageFrame(makeCollision("shattered-nocollision-1.pdf"), 1000);
    await addImageFrame(makeCollision("shattered-nocollision-2.pdf"), 1000);
    await addImageFrame(makeCollision("shattered-nocollision-1.pdf"), 1000);
    await addImageFrame(makeCollision("shattered-nocollision-2.pdf"), 1000);

    if (window.testRunner)
        testRunner.notifyDone();
}
test();
</script>