diff --git a/tests/MyGame/Example/LongEnum.cs b/tests/MyGame/Example/LongEnum.cs
new file mode 100644
index 0000000..555109c
--- /dev/null
+++ b/tests/MyGame/Example/LongEnum.cs
@@ -0,0 +1,18 @@
+// <auto-generated>
+//  automatically generated by the FlatBuffers compiler, do not modify
+// </auto-generated>
+
+namespace MyGame.Example
+{
+
+[Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
+[System.FlagsAttribute]
+public enum LongEnum : ulong
+{
+  LongOne = 2,
+  LongTwo = 4,
+  LongBig = 1099511627776,
+};
+
+
+}