public void TestPixelUndoDifferentHashCode()
{
PixelHistoryTracker.PixelUndo undo1 = new PixelHistoryTracker.PixelUndo(0, 0, 0, 0xFF, 0xFE);
PixelHistoryTracker.PixelUndo undo2 = new PixelHistoryTracker.PixelUndo(0, 1, 0, 0xFF, 0xFE);
Assert.AreNotEqual(undo1.GetHashCode(), undo2.GetHashCode(), "PixelUndos of different coordinates must no have the same hash code");
}
public void TestPixelUndoSameHashCode()
{
PixelHistoryTracker.PixelUndo undo1 = new PixelHistoryTracker.PixelUndo(0, 0, 0, 0xFF, 0xFE);
PixelHistoryTracker.PixelUndo undo2 = new PixelHistoryTracker.PixelUndo(0, 0, 0, 0x00, 0xFE);
Assert.AreEqual(undo1.GetHashCode(), undo2.GetHashCode(), "Equal PixelUndos of different old colors must have the same hash code");
}