<!-- webkit-test-runner [ UsesBackForwardCache=true ] -->
<!DOCTYPE html>
<html>
<body>
<script src="/js-test-resources/js-test.js"></script>
<script>
description('Tests that a page with a loading iframe that has a pending XHR is able to enter the back/forward cache.');
window.jsTestIsAsync = true;

window.addEventListener("pageshow", function(event) {
    debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache");

    if (event.persisted) {
        testPassed("Page did enter and was restored from the page cache");
        iframe.contentWindow.shouldFinishJSOnXHRLoad = true;
    }
}, false);

window.addEventListener("pagehide", function(event) {
    debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
    if (!event.persisted) {
        testFailed("Page did not enter the page cache.");
        finishJSTest();
    }
}, false);

function navigate()
{
    window.location.href = "/navigation/resources/page-cache-helper.html";
}

window.addEventListener('load', function() {
    setTimeout(function() {
        iframe = document.createElement("iframe");
        iframe.src = "/navigation/resources/page-cache-xhr-in-loading-iframe.html";
        document.body.appendChild(iframe);
    }, 0);
}, false);

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