video-display-always-increase-size.html

<!DOCTYPE html>
<title>Test video dimension aspect ratio.</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="media-file.js"></script>
<video></video>
<script>
async_test(function(t) {
    var video = document.querySelector("video");
    assert_equals(video.videoWidth, 0);
    assert_equals(video.videoHeight, 0);

    video.onloadedmetadata = t.step_func_done(function() {
        assert_equals(video.videoWidth, 320);
        assert_equals(video.videoHeight, 449);
    });

    assert_equals(video.canPlayType("video/webm"), "maybe")

    // Note: Do not use an ogv file. Ogv files do not seem to support pixel
    // aspect ratios, where as webms do.
    video.src = "content/test-par-5-7.webm";
});
</script>

chromium/third_party/blink/web_tests/media/video-display-always-increase-size.html