back-to-dynamic-iframe.html | Explore in Territory

<body>
<script src="/resources/prevent-bfcache.js"></script>
<script>
if (window.testRunner) {
    testRunner.dumpBackForwardList();
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

async function childLoaded() {
    await preventBFCache();
    if (window.sessionStorage.getItem("dynamic-iframe") != null) {
        setTimeout(function() {
            location.assign("resources/go-back.html");
        }, 0);
    } else {
        setTimeout(function() {
            if (window.testRunner)
                testRunner.notifyDone();
        }, 0);
    }
}

var i = document.createElement("iframe");
i.src = "javascript:false";
document.body.appendChild(i);

if (window.sessionStorage.getItem("dynamic-iframe") == null) {
    window.sessionStorage.setItem("dynamic-iframe", true);
    i.src = "resources/back-to-dynamic-iframe-iframe.html#FAIL";
} else {
    window.sessionStorage.removeItem("dynamic-iframe");
    i.src = "resources/back-to-dynamic-iframe-iframe.html#PASS";
}
</script>

This test expects the iframe to be reset on backward navigation. Back-forward
cache needs to be disabled to run this test successfully.
</body>

chromium/third_party/blink/web_tests/http/tests/navigation/back-to-dynamic-iframe.html