public override bool Equals(object obj)
{
SerializableWrapper w = obj as SerializableWrapper;
if (w == null)
{
return(false);
}
return(Equals(w.Content, Content));
}
public void ISerializableTypeNameHandlingTest()
{
//Create an instance of our example type
IExample e = new Example("Rob");
SerializableWrapper w = new SerializableWrapper
{
Content = e
};
//Test Binary Serialization Round Trip
//This will work find because the Binary Formatter serializes type names
//this.TestBinarySerializationRoundTrip(e);
//Test Json Serialization
//This fails because the JsonSerializer doesn't serialize type names correctly for ISerializable objects
//Type Names should be serialized for All, Auto and Object modes
this.TestJsonSerializationRoundTrip(w, TypeNameHandling.All);
this.TestJsonSerializationRoundTrip(w, TypeNameHandling.Auto);
this.TestJsonSerializationRoundTrip(w, TypeNameHandling.Objects);
}
private void TestJsonSerializationRoundTrip(SerializableWrapper e, TypeNameHandling flag)
{
Console.WriteLine("Type Name Handling: " + flag.ToString());
StringWriter writer = new StringWriter();
//Create our serializer and set Type Name Handling appropriately
JsonSerializer serializer = new JsonSerializer();
serializer.TypeNameHandling = flag;
//Do the actual serialization and dump to Console for inspection
serializer.Serialize(new JsonTextWriter(writer), e);
Console.WriteLine(writer.ToString());
Console.WriteLine();
//Now try to deserialize
//Json.Net will cause an error here as it will try and instantiate
//the interface directly because it failed to respect the
//TypeNameHandling property on serialization
SerializableWrapper f = serializer.Deserialize <SerializableWrapper>(new JsonTextReader(new StringReader(writer.ToString())));
//Check Round Trip
Assert.AreEqual(e, f, "Objects should be equal after round trip json serialization");
}
