static void VersionToleranceTest()
{
var config = new SerializerConfig();
config.VersionTolerance = VersionTolerance.AutomaticEmbedded;
config.TypeBinder = new DebugVersionTypeBinder();
var ceras = new CerasSerializer(config);
var v1 = new VersionTest1 {
A = 33, B = 34, C = 36
};
var v2 = new VersionTest2 {
A = -3, C2 = -6, D = -7
};
var v1Data = ceras.Serialize(v1);
v1Data.VisualizePrint("data with version tolerance");
ceras.Deserialize <VersionTest2>(ref v2, v1Data);
var v1ObjData = ceras.Serialize <object>(v1);
Debug.Assert(v1Data.SequenceEqual(v1ObjData), "data should be the same (because VersionTolerance forces generic parameter to <object>)");
Debug.Assert(v1.A == v2.A, "normal prop did not persist");
Debug.Assert(v1.C == v2.C2, "expected prop 'C2' to be populated by prop previously named 'C'");
}
static void VersionToleranceTest()
{
var config = new SerializerConfig();
config.VersionTolerance.Mode = VersionToleranceMode.Standard;
config.VersionTolerance.VerifySizes = true;
config.Advanced.TypeBinder = new DebugVersionTypeBinder();
// We are using a new ceras instance every time.
// We want to make sure that no caching is going on.
// todo: we have to run the same tests with only one instance to test the opposite, which is that cached stuff won't get in the way!
var v1 = new VersionTest1 {
A = 33, B = 34, C = 36
};
var v2 = new VersionTest2 {
A = -3, C2 = -6, D = -7
};
var v1Data = (new CerasSerializer(config)).Serialize(v1);
v1Data.VisualizePrint("data with version tolerance");
(new CerasSerializer(config)).Deserialize <VersionTest2>(ref v2, v1Data);
Debug.Assert(v1.A == v2.A, "normal prop did not persist");
Debug.Assert(v1.C == v2.C2, "expected prop 'C2' to be populated by prop previously named 'C'");
// Everything should work the same way when forcing serialization to <object>
var v1DataAsObj = (new CerasSerializer(config)).Serialize <object>(v1);
v1DataAsObj.VisualizePrint("data with version tolerance (as object)");
var v1Clone = (new CerasSerializer(config)).Deserialize <object>(v1DataAsObj);
var v1CloneCasted = v1Clone as VersionTest2;
Debug.Assert(v1CloneCasted != null, "expected deserialized object to have changed to the newer type");
Debug.Assert(v1CloneCasted.A == v1.A, "expected A to stay the same");
Debug.Assert(v1CloneCasted.C2 == v1.C, "expected C to be transferred to C2");
Debug.Assert(v1CloneCasted.D == new VersionTest2().D, "expected D to have the default value");
// todo: we have to add a test for the case when we read some old data, and the root object has not changed (so it's still the same as always), but a child object has changed
// todo: test the case where a user-value-type is a field in some root object, and while reading the schema changes (because are reading old data), an exception is expected/wanted
// todo: test reading multiple different old serializations in random order; each one encoding a different version of the object;
}