<!DOCTYPE html>
<script>
    if (window.internals) {
        internals.settings.setViewportEnabled(true);
        internals.settings.setViewportMetaEnabled(true);
    }
    if (window.testRunner) {
        testRunner.setCanOpenWindows(true);
        testRunner.setCloseRemainingWindowsWhenComplete(true);
    }
</script>
<meta name="viewport" content="width=160">
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script>
    var t = async_test('Makes sure that Link headers support the imagesrcset and imagesizes attributes and respond to <meta content=viewport>');
    addEventListener("message", t.step_func(function(event) {
        if (event.data == "largeloaded")
            assert_unreached("FAIL: large resource was loaded");
        if (event.data == "smallnotloaded")
            assert_unreached("FAIL: small resource was not loaded");
        t.done();
        }, false));
    window.open("resources/enable-viewport-and-refresh.html?media-link-headers-imagesrcset.php");
</script>