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diff --git a/bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/Jotakin12.java b/bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/Jotakin12.java
new file mode 100644
index 000000000..42edcd040
--- /dev/null
+++ b/bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/Jotakin12.java
@@ -0,0 +1,68 @@
+package org.simantics.databoard.tests;
+
+import java.awt.geom.Rectangle2D;
+import java.io.File;
+
+import org.simantics.databoard.Accessors;
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.Datatypes;
+import org.simantics.databoard.accessor.RecordAccessor;
+import org.simantics.databoard.accessor.file.FileRecordAccessor;
+import org.simantics.databoard.accessor.file.FileVariantAccessor;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.serialization.Serializer;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.databoard.type.RecordType;
+
+public class Jotakin12 {
+	
+	static class ClassNoArgConstructor {
+		private ClassNoArgConstructor() {}
+	}
+	
+	public static void main(String[] args) throws Exception {
+
+		File file = File.createTempFile("tmp", ".dbb");
+		
+		{
+		RecordType type = Datatypes.getDatatype( Rectangle2D.Double.class );
+	    FileRecordAccessor fa = Accessors.createFile( file, type );
+	    fa.setFieldValue(0, Bindings.DOUBLE, 5.0);
+	    fa.close();
+		}
+		
+		{
+	    FileVariantAccessor fa = Accessors.openAccessor(file);
+	    RecordAccessor ra = fa.getContentAccessor();
+	    Double x = (Double) ra.getFieldValue(0, Bindings.DOUBLE);
+	    fa.close();
+	    System.out.println(x);
+		}
+		
+		{
+		Binding binding = Bindings.getBinding(Rectangle2D.Double.class);
+		Rectangle2D rect = new Rectangle2D.Double(0,0, 10, 10);
+		RecordAccessor ra = Accessors.getAccessor(binding, rect);
+		ra.setFieldValue(0, Bindings.DOUBLE, 5.0);
+		System.out.println( rect.getX() );
+		}
+		
+		{
+			Datatype type = Datatypes.getDatatype( Rectangle2D.Double.class );
+			Binding binding = Bindings.getBinding( Rectangle2D.Double.class );
+			Serializer s = Bindings.getSerializer(binding);
+			Rectangle2D rect = new Rectangle2D.Double(0,0, 10, 10);
+			byte[] data = s.serialize(rect);
+			
+			// Open accessor to byte data
+			RecordAccessor ra = Accessors.getAccessor(data, type);
+			ra.setFieldValue(0, Bindings.DOUBLE, 5.0);
+			s.deserialize(data, rect);
+			System.out.println(rect.getX());
+		}
+
+		
+		
+	}
+
+}