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

description('This tests that when requestIdleCallback is enabled, requestIdleCallback is eventaully called in the order.');

jsTestIsAsync = true;

const iframe = document.createElement('iframe');
const logs = [];

iframe.onload = () => {
    requestIdleCallback(() => {
        logs.push('1.A1');
        iframe.contentWindow.cancelIdleCallback(b1);
    });

    const b1 = iframe.contentWindow.requestIdleCallback(() => logs.push('2.B1'));

    window.a2 = requestIdleCallback(() => logs.push('3.A2'));
    cancelIdleCallback(a2 + 1);
    window.a3 = requestIdleCallback(() => logs.push('4.A3'));
    shouldBe('a3', 'a2 + 1');
}
document.body.appendChild(iframe);

setTimeout(() => {
    shouldBe('logs.length', '3');
    shouldBeEqualToString('logs.join(", ")', '1.A1, 3.A2, 4.A3');
    finishJSTest();
}, 200);

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