<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
<body>
<script>
    var link = document.createElement("link");
    link.as = "script";
    link.rel = "preload";
    link.href = "../resources/slow-script.pl?delay=100";
    document.body.appendChild(link);
    document.body.removeChild(link);
    var downloadedScript = false;
    window.addEventListener("load", function() {
        var entries = performance.getEntriesByType("resource");
        for (var i = 0; i < entries.length; ++i) {
            if (entries[i].name.indexOf("slow-script.pl?delay=100") != -1)
                downloadedScript = true;
        }
        shouldBeFalse("downloadedScript");
    });
</script>
<script src="../resources/slow-script.pl?delay=300"></script>
</body>