chromium/third_party/blink/web_tests/media/broken-video.html

<!DOCTYPE HTML>
<title>Test that an invalid video file generates a MEDIA_ERR_SRC_NOT_SUPPORTED error and sets networkState to NETWORK_NO_SOURCE.</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<video></video>
<script>
async_test(function(t) {
    var video = document.querySelector("video");
    video.src = "content/garbage.ogv";
    video.onerror = t.step_func_done(function () {
        assert_true(video.error instanceof MediaError);
        assert_equals(video.error.code, MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED);
        assert_equals(video.networkState, HTMLMediaElement.NETWORK_NO_SOURCE);
    });
});
</script>