LayoutTests/requestidlecallback/requestidlecallback-document-gc.html

<!DOCTYPE html><!-- webkit-test-runner [ RequestIdleCallbackEnabled=true ] -->
<html>
<body>
<script src="../resources/js-test.js"></script>
<script>

description('This tests that documents with pending requestIdleCallback is eventually collected');

const frame = document.createElement('iframe');
document.body.appendChild(frame);

if (!window.internals)
    testFailed('This test requires internals');
else {
    jsTestIsAsync = true;
    window.onload = runTest;
}

function enoughDocumentCollected()
{
    return initialCount + frameCount / 2 > internals.numberOfLiveDocuments();
}

function runTest() {
    window.initialCount = internals.numberOfLiveDocuments();
    window.frameCount = 20;
    for (let i = 0; i < frameCount; ++i) {
        const frame = document.createElement('iframe');
        document.body.appendChild(frame);
        frame.contentWindow.requestIdleCallback(() => testFailed('idleCallback called too early'));
    }
    document.querySelectorAll('iframe').forEach((frame) => frame.remove());
    setInterval(() => {
        GCController.collect();
    }, 10);
    shouldBecomeEqual("enoughDocumentCollected()", "true", finishJSTest);
}

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