public void SaveAndLoad() 
		{ 
			Perob p = new Perob(3,4); 
			p.Serialize( fileName ); 

			Perob np = Perob.Deserialize( fileName ); 

			Assert.IsNotNull(np, "np != null"); 
			Assert.AreEqual(p.i, np.i, "i neq" ); 
			Assert.AreEqual(p.j, np.j, "j neq" ); 
		} 
        public void SaveAndLoad()
        {
            Perob p = new Perob(3, 4);

            p.Serialize(fileName);

            Perob np = Perob.Deserialize(fileName);

            Assert.IsNotNull(np, "np != null");
            Assert.AreEqual(p.i, np.i, "i neq");
            Assert.AreEqual(p.j, np.j, "j neq");
        }