public void Noise_Is_Applied() { foreach (FileInfo file in TestImages.GetTestImagesFromTestFolder("")) { string outputFileName = $"{OutputPath}{file.Name.Substring(0, file.Name.LastIndexOf('.'))}"; using (var imageLoader = new ImageLoader()) { var noises = new List <INoise> { new GaussNoise(new Normal(0, 0.25)), new ImpulseNoise(0.025, 0.025) }; imageLoader.Load(file.FullName); Image image = imageLoader.Image; foreach (INoise noise in noises) { string noiseFileName = $"{outputFileName}_{noise.GetType().Name.ToLower()}{file.Extension}"; imageLoader.AddNoise(noise); imageLoader.Save(noiseFileName); Assert.IsTrue(File.Exists(noiseFileName)); ImageAssert.AssertImagesAreDifferent(image, imageLoader.Image); imageLoader.Image = image; } //File.Delete(outputFileName); } } }