https://github.com/web-platform-tests/wpt
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Tip revision: 61d6fc4fc7e54a79e11b0fa2eab98cf7504e7cd0 authored by Anne van Kesteren on 03 April 2018, 13:43:56 UTC
fix earlier test; add two more per feedback
Tip revision: 61d6fc4
single-download-late-used-preload.html
<!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>
    var link = document.getElementsByTagName("link")[0]
    assert_equals(link.as, "image");
    link.addEventListener("load", () => {
        verifyPreloadAndRTSupport();
        verifyNumberOfDownloads("resources/square.png?pipe=trickle(d1)", 1);
        var img = document.createElement("img");
        img.src = "resources/square.png?pipe=trickle(d1)";
        img.onload = () => {
            verifyNumberOfDownloads("resources/square.png?pipe=trickle(d1)", 1);
            done();
        };
        document.body.appendChild(img);
    });
</script>
<body>
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