How to serialize primitives in a generic way

serialize.cs

// ------------------------------------------------------------------------------
//  <autogenerated>
//      This code was generated by a tool.
//      Mono Runtime Version: 4.0.30319.1
// 
//      Changes to this file may cause incorrect behavior and will be lost if 
//      the code is regenerated.
//  </autogenerated>
// ------------------------------------------------------------------------------
using System;
using NUnit.Framework;

namespace testit
{
	[TestFixture()]
	public class Test
	{
		class Primitives {
			public Boolean someBoolean = true;
			public Byte someByte = 1;
			public SByte someSByte = -1;
			public Int16 someInt16 = -2;
			public UInt16 someUInt16 = 2;
			public Int32 someInt32 = -3;
			public UInt32 someUInt32 = 3;
			public Int64 someInt64 = -4;
			public UInt64 someUInt64 = 4;
			public Char someChar = 'a';
			public Double someDouble = 1.23;
			public Single someSingle = 2.34f;
			public float somefloat = 3.45f;
			public int someint = 5;
			public bool somebool = true;
		};

		[Test()]
		public void TestCase ()
		{
			Primitives p = new Primitives();
			p.someBoolean = false;
			p.someByte = 6;
			p.someSByte = -6;
			p.someInt16 = -7;
			p.someUInt16 = 7;
			p.someInt32 = -8;
			p.someUInt32 = 8;
			p.someInt64 = -9;
			p.someUInt64 = 9;
			p.someChar = 'b';
			p.someDouble = 5.6;
			p.someSingle = 6.7f;
			p.somefloat = 7.8f;
			p.someint = 12;
			p.somebool = false;
			
			Primitives p2 = new Primitives();

			System.Reflection.FieldInfo[] fields = p.GetType().GetFields();
			foreach (System.Reflection.FieldInfo info in fields) {
				object fieldValue = info.GetValue(p);
				if (fieldValue != null) {
					System.Type type = fieldValue.GetType();
					string s = System.ComponentModel.TypeDescriptor.GetConverter(type).ConvertToInvariantString(fieldValue);
					object o = System.ComponentModel.TypeDescriptor.GetConverter(type).ConvertFromInvariantString(s);
					Assert.AreEqual(fieldValue, o);
					info.SetValue(p2, o);
				}
			}
			Assert.AreEqual(p.someBoolean, p2.someBoolean);
			Assert.AreEqual(p.someByte, p2.someByte);
			Assert.AreEqual(p.someSByte, p2.someSByte);
			Assert.AreEqual(p.someInt16, p2.someInt16);
			Assert.AreEqual(p.someUInt16, p2.someUInt16);
			Assert.AreEqual(p.someInt32, p2.someInt32);
			Assert.AreEqual(p.someUInt32, p2.someUInt32);
			Assert.AreEqual(p.someInt64, p2.someInt64);
			Assert.AreEqual(p.someUInt64, p2.someUInt64);
			Assert.AreEqual(p.someChar, p2.someChar);
			Assert.AreEqual(p.someDouble, p2.someDouble);
			Assert.AreEqual(p.someSingle, p2.someSingle);
			Assert.AreEqual(p.somefloat, p2.somefloat);
			Assert.AreEqual(p.someint, p2.someint);
			Assert.AreEqual(p.somebool, p2.somebool);
		}
	}
}