Content - 5549cb84fdb9ff03e348c6d005b5850b7294536b - 1ecf6ef/preload/single-download-late-used-preload.html

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Tip revision: 88aea18be3e13ecfe9c14568cf8795abd54ada08 authored by Joe Downing on 11 April 2018, 01:49:46 UTC
[KeyboardLock] Updating API to reject the first promise if lock is called twice

Tip revision: 88aea18

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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