<!DOCTYPE html>
<link rel="help" href="https://github.com/w3c/preload/issues/120">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/preload/resources/preload_helper.js"></script>
<script>
    var t = async_test('Makes sure that Link headers preload images with (experimental) srcset/imgsizes attributes.');
</script>
<body>
<script src="resources/dummy.js?pipe=trickle(d3)&link-header-preload-srcset"></script>
<script>
    window.addEventListener("load", t.step_func(function() {
        verifyPreloadAndRTSupport();
        verifyNumberOfDownloads('resources/square.png?1x', 1);
        verifyNumberOfDownloads('resources/square.png?2x', 0);
        verifyNumberOfDownloads('resources/square.png?3x', 0);
        verifyNumberOfDownloads('resources/square.png?base', 0);
        verifyNumberOfDownloads('resources/square.png?200', 0);
        verifyNumberOfDownloads('resources/square.png?400', 1);
        verifyNumberOfDownloads('resources/square.png?800', 0);
        verifyNumberOfDownloads('resources/square.png?150', 0);
        verifyNumberOfDownloads('resources/square.png?300', 1);
        verifyNumberOfDownloads('resources/square.png?600', 0);
        t.done();
    }));
</script>
</body>