single-download-late-used-preload.html

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This test has a WPT meta file that disables it given conditions:
- verify : fails in verify mode
This WPT test may be referenced by the following Test IDs:
- /preload/single-download-late-used-preload.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Ensure preloaded resources are not downloaded again when used</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/preload/resources/preload_helper.js"></script>

<link rel=preload href="resources/square.png?pipe=trickle(d1)" as=image>

<script>

    setup({ single_test: true });

    var link = document.getElementsByTagName("link")[0]

    assert_equals(link.as, "image");

    link.addEventListener("load", () => {

        verifyPreloadAndRTSupport();

        verifyNumberOfResourceTimingEntries("resources/square.png?pipe=trickle(d1)", 1);

        var img = document.createElement("img");

        img.src = "resources/square.png?pipe=trickle(d1)";

        img.onload = () => {

            verifyLoadedAndNoDoubleDownload("resources/square.png?pipe=trickle(d1)");

            done();

};

        document.body.appendChild(img);

});

</script>

<body>