LayoutTests/media/video-src-invalid-poster.html

<script src=video-test.js></script>
<video poster="content/abe.png">
    <source src="content/bogus" type="bogus">
</video>
<script>
    findMediaElement();

    function listenForWidthAndHeight(expectedWidth, expectedHeight, callback) {
        if (video.clientWidth == expectedWidth && video.clientHeight == expectedHeight) {
            callback();
        } else {
            // This uses a 20ms sleep loop to accomplish the wait, since the
            // standard specifies no events that fire on poster load or error.
            window.setTimeout(listenForWidthAndHeight, 20, expectedWidth, expectedHeight, callback);
        }
    }

    function expected() {
        testExpected("video.clientWidth", 76);
        testExpected("video.clientHeight", 103);
        endTest();
    }

    run("video.load()");
    waitForEvent("loadstart", function () {
        listenForWidthAndHeight(76, 103, expected);
    });
</script>