<!DOCTYPE html>
<html>
<body onload="runTest()">
<script src="../resources/js-test.js"></script>
<script>
description("This test asserts that Document doesn't leak when a Web Animation is created.");

if (window.internals)
    jsTestIsAsync = true;

function runTest() {
    if (!window.internals)
        return;

    var frame = document.body.appendChild(document.createElement("iframe"));

    frame.onload = function() {
        if (frame.src === 'about:blank')
            return true;

        documentIdentifier = internals.documentIdentifier(frame.contentDocument);
        debug("The iframe has finished loading.");

        frame.remove();
        frame = null;

        gc();
        timeout = 0;
        handle = setInterval(() => {
            if (!internals.isDocumentAlive(documentIdentifier)) {
                clearInterval(handle);
                testPassed("The document was destroyed");
                finishJSTest();
                return;
            }
            timeout++;
            if (timeout == 500) {
                clearInterval(handle);
                testFailed("The document was leaked");
                finishJSTest();
                return;
            }
            gc();
        }, 10);
    }

    frame.src = 'resources/web-animation-leak-iframe.html';
}

</script>
</body>
</html>