public void TestCropImage()
{
const string outputFilePath = "../../Output/CropImage.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.Filename = outputFilePath;
thisImage.CropImage(10, 50, 800, 600);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(800, width);
Assert.AreEqual(600, height);
}