BonSerializer boxed values.

Author: Bobris

BTDB/Serialization/BonSerializer.cs

@@ -42,16 +42,24 @@ public void SerializeObject(ref SerializerCtx ctx, ref byte value)
             return;
         }
 
-        var typePtr = obj.GetType().TypeHandle.Value;
+        var type = obj.GetType();
+        var typePtr = type.TypeHandle.Value;
         _cache.TryGetValue(typePtr, out var serializer);
         if (serializer == null)
         {
-            serializer = CreateSerializerForType(obj.GetType());
+            serializer = CreateSerializerForType(type);
             _cache.TryAdd(typePtr, serializer);
             _cache.TryGetValue(typePtr, out serializer);
         }
 
-        serializer!(ref ctx, ref value);
+        if (type.IsValueType)
+        {
+            serializer!(ref ctx, ref RawData.Ref(obj, (uint)Unsafe.SizeOf<nint>()));
+        }
+        else
+        {
+            serializer!(ref ctx, ref value);
+        }
     }
 
     static unsafe ref BonSerializerCtx AsCtx(ref SerializerCtx ctx)

BTDBTest/SerializationTests/BonSerializerTest.SerializeDeserializeBoxedValue.approved.txt

@@ -0,0 +1,5 @@
+{
+  "__type__": "Tuple",
+  "Item1": 42,
+  "Item2": 424242424242
+}

BTDBTest/SerializationTests/BonSerializerTest.cs

@@ -60,4 +60,14 @@ public void SerializeDeserializeAllSupportedTypes()
         var bon = new Bon(builder.FinishAsMemory());
         this.Assent(bon.DumpToJson());
     }
+
+    [Fact]
+    public void SerializeDeserializeBoxedValue()
+    {
+        var obj = (object)(42u, 424242424242L);
+        var builder = new BonBuilder();
+        BonSerializerFactory.Serialize(ref builder, obj);
+        var bon = new Bon(builder.FinishAsMemory());
+        this.Assent(bon.DumpToJson());
+    }
 }