public void TestVideoSampling()
{
String actual = m_api.UrlVideoUp.Transform(new Transformation().VideoSamplingFrames(20)).BuildUrl("video_id");
Assert.AreEqual(m_defaultVideoUpPath + "vs_20/video_id", actual);
actual = m_api.UrlVideoUp.Transform(new Transformation().VideoSamplingSeconds(20)).BuildUrl("video_id");
Assert.AreEqual(m_defaultVideoUpPath + "vs_20s/video_id", actual);
actual = m_api.UrlVideoUp.Transform(new Transformation().VideoSamplingSeconds(20.0)).BuildUrl("video_id");
Assert.AreEqual(m_defaultVideoUpPath + "vs_20.0s/video_id", actual);
actual = m_api.UrlVideoUp.Transform(new Transformation().VideoSampling("2.3s")).BuildUrl("video_id");
Assert.AreEqual(m_defaultVideoUpPath + "vs_2.3s/video_id", actual);
}