<!-- webkit-test-runner [ UsesBackForwardCache=true ] -->
<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<iframe id="testFrame1" src="about:blank"></iframe>
<iframe id="testFrame2" src="about:blank"></iframe>
<iframe id="testFrame3" src="about:blank"></iframe>
<iframe id="testFrame4" src="about:blank"></iframe>
<iframe id="testFrame5" src="about:blank"></iframe>
<a id="testLink" href="resources/page-cache-helper.html" style="display: none">Link</a>
<script>
description("Tests that iframes with a pending provisional or scheduled load do not prevent page caching.");
jsTestIsAsync = true;

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

    if (event.persisted) {
        testPassed("Page restored from Page Cache.");
        finishJSTest();
    }
});

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

    // Trigger a quick redirect in the subframe.
    testFrame3.contentWindow.location.replace("resources/dummy.html");
});

testFrame5.contentWindow.location.replace("resources/dummy.html");

onload = () => {
    testFrame4.contentWindow.location.replace("resources/dummy.html");
    setTimeout(() => {
         // Trigger a quick redirect in the subframe.
         testFrame1.contentWindow.location.replace("resources/dummy.html");

         testLink.click();

         testFrame2.contentWindow.location.replace("resources/dummy.html");
    }, 0);
}
</script>
</html>