public void WhenCreateChannelChannelCreated() { ITrack result = null; try { // Arrange var target = new Builder <FMODPlayer>().Build(); // Act result = target.CreateChannel(Path.Combine(Environment.CurrentDirectory, "Silence.mp3")); // Assert Assert.IsInstanceOf <FMODTrack>(result); } finally { Assert.IsNotNull(result); result.Dispose(); } }