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using System;
using System.Collections;
using System.Text;
using System.Diagnostics;
using System.Reflection;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using NUnit.Framework;
namespace MonoTests.System.Runtime.Serialization.Formatters.Binary
{
//TODO: add tests that use SoapFormatter (if you go this
// path, it would be interesting also to test a
// custom formatter, like the XML-RPC.net one!)
[TestFixture]
public class BinarySerializationOverVersionsTest {
[Test]
public void TestDroppedField () //eliminate CountryCode
{
Deserialize ("2.0", Serialize ("3.0"));
}
[Test]
public void TestAddedField () //add CountryCode
{
Deserialize ("3.0", Serialize ("2.0"));
}
[Test]
public void TestAddedFieldWithData () //add Country
{
Deserialize( "1.0", Serialize ("2.0"));
}
[Test]
public void TestDroppedFieldWithData () //eliminate Country
{
Deserialize ("2.0", Serialize ("3.0"));
}
[Test]
public void TestAddedFieldWithOptionalAttrib () //add PostCode
{
Deserialize ("4.0", Serialize ("3.0"));
}
[Test]
public void TestDroppedFieldWithOptionalAttrib () //eliminate PostCode
{
Deserialize ("3.0", Serialize ("4.0"));
}
[Test]
public void TestAddedFieldWithOptionalAttribAndData () //add AreaCode
{
Deserialize ("5.0", Serialize ("4.0"));
}
[Test]
public void TestDroppedFieldWithOptionalAttribAndData () //eliminate AreaCode
{
Deserialize ("4.0", Serialize ("5.0"));
}
[Test]
public void TestDroppedPrimitiveTypeField() //eliminate Id (int)
{
Deserialize ("5.0", Serialize ("6.0"));
}
[Test]
public void TestAddedPrimitiveTypeField () //add Id (int)
{
Deserialize ("6.0", Serialize ("5.0"));
}
const string AssemblyName = "Address.dll";
const string TypeName = "VersionTolerantSerializationTestLib.Address";
class Serializer : MarshalByRefObject {
static IFormatter formatter = new BinaryFormatter ();
public static IFormatter Formatter { get { return formatter; } }
public byte[] Serialize (string version) {
var assembly = Assembly.LoadFrom (Find (version));
var type = assembly.GetType (TypeName);
var obj = Activator.CreateInstance (type);
var stream = new MemoryStream ();
Formatter.Serialize (stream, obj);
return stream.ToArray ();
}
public void Deserialize (string version, byte[] payload) {
var assembly = Assembly.LoadFrom (Find (version));
var stream = new MemoryStream (payload);
var obj = Formatter.Deserialize (stream);
//Console.WriteLine ("obj version {0} -> {1}", version, obj);
}
}
private static byte[] Serialize (string assemblyVersion)
{
var setup = new AppDomainSetup ();
setup.ApplicationBase = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
AppDomain ad = AppDomain.CreateDomain (assemblyVersion, null, setup);
Serializer ser = (Serializer) ad.CreateInstanceAndUnwrap (typeof(Serializer).Assembly.FullName, typeof(Serializer).FullName);
byte[] stuff = ser.Serialize (assemblyVersion);
AppDomain.Unload (ad);
return stuff;
}
private static void Deserialize (string assemblyVersion, byte[] payload)
{
var setup = new AppDomainSetup ();
setup.ApplicationBase = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
AppDomain ad = AppDomain.CreateDomain (assemblyVersion, null, setup);
Serializer ser = (Serializer) ad.CreateInstanceAndUnwrap (typeof(Serializer).Assembly.FullName, typeof(Serializer).FullName);
ser.Deserialize (assemblyVersion, payload);
AppDomain.Unload (ad);
}
private static string Find (string assemblyVersion)
{
string initDir = Path.GetDirectoryName (Assembly.GetExecutingAssembly ().Location);
return Find (assemblyVersion, initDir);
}
private static string Find (string assemblyVersion, string path)
{
return Path.Combine (Path.Combine (path, "vts", assemblyVersion), AssemblyName);
}
}
}
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