LayoutTests/http/tests/cache/disk-cache/speculative-validation/cacheable-redirect.html

<script src="/js-test-resources/js-test-pre.js"></script>
<script>
description("Tests that speculative validation does not break redirects.");
jsTestIsAsync = true;

state = "warmup";

function frameLoaded()
{
    if (state == "warmup") {
        state = "flushingMetadata";
        document.getElementById("testFrame").src = "about:blank";
        return;
    }
    if (state == "flushingMetadata") {
        // Navigate frame to its original location again. This time it should speculatively
        // validate subresources as we have subresource loads metadata in the disk cache.
        state = "speculativeRevalidation";
        document.getElementById("testFrame").src = "resources/cacheable-redirect-frame.php";
        return;
    }
    if (state == "speculativeRevalidation") {
        testDiv = frames[0].document.getElementById("testDiv");
        shouldBeEqualToString("frames[0].getComputedStyle(testDiv).color", "rgb(0, 128, 0)");
        finishJSTest();
        return;
    }
}

</script>
<iframe id="testFrame" src="resources/cacheable-redirect-frame.php" onload="frameLoaded()"></iframe>
<script src="/js-test-resources/js-test-post.js"></script>