public static void func_pointer_marshalling() { var obj = new Dummy.TestObject(); bool called = false; Eina.Strbuf buf = new Eina.Strbuf(); string argument = "Some String"; Eina.Value v = new Eina.Value(Eina.ValueType.String); v.Set(argument); string reference = new string(argument.ToCharArray().Reverse().ToArray()); obj.CallFormatCb(buf, v, (Eina.Strbuf ibuf, Eina.Value val) => { called = true; string str = null; val.Get(out str); buf.Append(new string(str.ToCharArray().Reverse().ToArray())); }); Test.Assert(called, "Callback was not called"); Test.AssertEquals(reference, buf.Steal()); v.Dispose(); buf.Dispose(); obj.Dispose(); }