public static void TestInequality_DifferentPlayer()
{
Piece piece1 = new King(Player.White);
Piece piece2 = new King(Player.Black);
Assert.AreNotEqual(piece1, piece2, "piece1 and piece2 are equal");
Assert.False(piece1.Equals(piece2), "piece1.Equals(piece2) should be false");
Assert.False(piece2.Equals(piece1), "piece2.Equals(piece1) should be false");
Assert.False(piece1 == piece2, "piece1 == piece2 should be false");
Assert.False(piece2 == piece1, "piece2 == piece1 should be false");
Assert.True(piece1 != piece2, "piece1 != piece2 should be True");
Assert.True(piece2 != piece1, "piece2 != piece1 should be True");
Assert.AreNotEqual(piece1.GetHashCode(), piece2.GetHashCode(), "Hash codes are equal");
}