public void LoadXCF()
{
string file = "test.xcf";
IntPtr surfacePtr = VideoSetup();
IntPtr imagePtr = SdlImage.IMG_LoadXCF_RW(Sdl.SDL_RWFromFile(file, "rb"));
Assert.IsFalse(imagePtr == IntPtr.Zero);
Sdl.SDL_Rect rect1 = new Sdl.SDL_Rect(0, 0, 200, 200);
Sdl.SDL_Rect rect2 = new Sdl.SDL_Rect(0, 0, 200, 200);
int result = Sdl.SDL_BlitSurface(imagePtr, ref rect1, surfacePtr, ref rect2);
Sdl.SDL_UpdateRect(surfacePtr, 0, 0, 200, 200);
Thread.Sleep(sleepTime);
Assert.AreEqual(result, 0);
this.Quit();
}