diff --git a/tests/include_test/include_test1.fbs b/tests/include_test/include_test1.fbs
new file mode 100644
index 0000000..804856a
--- /dev/null
+++ b/tests/include_test/include_test1.fbs
@@ -0,0 +1,7 @@
+include "sub/include_test2.fbs";
+include "sub/include_test2.fbs";  // should be skipped
+include "include_test1.fbs";  // should be skipped
+
+table TableA {
+  b:MyGame.OtherNameSpace.TableB;
+}
diff --git a/tests/include_test/sub/include_test2.fbs b/tests/include_test/sub/include_test2.fbs
new file mode 100644
index 0000000..7225735
--- /dev/null
+++ b/tests/include_test/sub/include_test2.fbs
@@ -0,0 +1,12 @@
+include "include_test1.fbs";
+include "sub/include_test2.fbs";    // should be skipped
+
+namespace MyGame.OtherNameSpace;
+
+enum FromInclude:long { IncludeVal }
+
+struct Unused { a:int; }
+
+table TableB {
+  a:TableA;
+}