public void ShouldCorrectlyReturnHashCode()
{
// Given
var imageModel = new ImageModel(2, 2, ImageBitDepth.Bpp12);
var random = new Random();
var pixels = Enumerable.Range(0, 2 * 2).Select(i => (Pixel)random.Next(ushort.MinValue, ushort.MaxValue)).ToArray();
var image = new Image(pixels, imageModel);
var expectedHashCode = (image.ImagePixels.GetHashCode() * 397) ^ imageModel.GetHashCode();
// When
var actualHashCode = image.GetHashCode();
// Then
Assert.AreEqual(expectedHashCode, actualHashCode);
}
public void ShouldCorrectlyGenerateHashCode()
{
// Given
const int width = 256;
const int height = 512;
const ImageBitDepth imageBitDepth = ImageBitDepth.Bpp12;
var imageModel = new ImageModel(width, height, imageBitDepth);
int expected;
unchecked
{
expected = width;
expected = (expected * 397) ^ height;
expected = (expected * 397) ^ (int)imageBitDepth;
}
// When
var actual = imageModel.GetHashCode();
// Then
Assert.AreEqual(expected, actual);
}
public DeleteImageModelOperation(ImageModel model) :
base(model)
{
Identifier = model.GetHashCode();
}
