LayoutTests/requestidlecallback/requestidlecallback-in-page-cache.html

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

description('This tests that when requestIdleCallback is not enabled, requestIdleCallback and IdleDeadline are not defined.');
jsTestIsAsync = true;

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

let isInitialLoad = true;
const logs = [];
if (window.testRunner)
  setTimeout(() => testRunner.notifyDone(), 3000);

window.addEventListener("pageshow", function(event) {
    if (isInitialLoad) {
        isInitialLoad = false;
        return;
    }
  
    if (window.testRunner)
      setTimeout(() => testRunner.notifyDone(), 3000);

    shouldBeTrue('event.persisted');
    shouldBe('logs.length', '0');
    iframe.contentWindow.requestIdleCallback(() => logs.push('B3'));
    requestIdleCallback(() => logs.push('A4'));
    requestIdleCallback(() => {
        shouldBe('logs.length', '7');
        shouldBeEqualToString('logs.join(", ")', 'A1, B1, A2, B2, A3, B3, A4');
        finishJSTest();
    });
});

window.addEventListener("pagehide", function(event) {
    requestIdleCallback(() => logs.push('A1'));
    iframe.contentWindow.requestIdleCallback(() => logs.push('B1'));
    requestIdleCallback(() => logs.push('A2'));
    iframe.contentWindow.requestIdleCallback(() => logs.push('B2'));
    requestIdleCallback(() => logs.push('A3'));
});

onload = () => {
    setTimeout(() => {
        window.location = 'resources/page-cache-helper.html';
    }, 0);
}

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