<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
    var loaded = 0;
    var expectedToLoad = 1;
</script>
<link rel=preload href="/WebKit/preload/resources/square.png?media_all" as=image media="all" onload="++loaded;">
<link rel=preload href="/WebKit/preload/resources/square.png?media_not_all" as=image media="not all">
<script>
    var t = async_test('Makes sure that preloaded resources are not downloaded when the media attribute is a mismatch.');
    window.setInterval(t.step_func(function() {
        function verifyDownloadNumber(url, number) {
            var absolute_url = new URL(url, window.location.href);
            assert_equals(performance.getEntriesByName(absolute_url).length, number, url);
        }
        if (loaded == expectedToLoad) {
            verifyDownloadNumber("/WebKit/preload/resources/square.png?media_all", 1);
            verifyDownloadNumber("/WebKit/preload/resources/square.png?media_not_all", 0);
            document.write('<img src="/WebKit/preload/resources/square.png?media_all">');
            document.write('<img src="/WebKit/preload/resources/square.png?media_not_all">');
            t.done();
        }
    }), 200);
</script>
