haikuwebkit/LayoutTests/webanimations/leak-document-with-web-anim...

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

if (window.internals) {
    jsTestIsAsync = true;

    window.onload = function () {
        testDocumentIsNotLeaked(
            async function initAndRemove(frameCount)
            {
                let frames = await new Promise((resolve, reject) => {
                    let frames = [];
                    let counter = 0;
                    function onLoad() {
                        counter++;
                        if (counter == frameCount)
                            resolve(frames);
                    }
                    for (let i = 0; i < frameCount; ++i) {
                        let frame = document.createElement('iframe');
                        frame.src = "resources/web-animation-leak-iframe.html";
                        frame.onload = onLoad;
                        document.body.appendChild(frame);
                        frames.push(frame);
                    }
                });
                debug("The iframe has finished loading.");
                let frameIdentifiers = [];
                for (let i = 0; i < frameCount; ++i) {
                    let frame = frames[i];
                    frameIdentifiers.push(internals.documentIdentifier(frame.contentDocument));
                    frame.remove();
                }
                nukeArray(frames);
                frames = null;
                return frameIdentifiers;
            }
        ).then(
            () => testPassed("The document was destroyed"),
            (error) => testFailed(error.message)
        ).finally(finishJSTest);
    };
}

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