public void GaussFilter_Is_Applied() { foreach (FileInfo file in TestImages.GetTestImagesFromTestFolder("")) { string outputFileName = $"{OutputPath}{file.Name.Substring(0, file.Name.LastIndexOf('.'))}"; using (var imageLoader = new ImageLoader()) { imageLoader.Load(file.FullName); Image image = imageLoader.Image; string fileName = $"{outputFileName}_gaussFilter{file.Extension}"; imageLoader.AddGaussFilter(5, 1.4); imageLoader.Save(fileName); Assert.IsTrue(File.Exists(fileName)); ImageAssert.AssertImagesAreDifferent(image, imageLoader.Image); } } }