diff --git a/test/susan/codegen.test.tpl b/test/susan/codegen.test.tpl
new file mode 100644
index 0000000..ad5100a
--- /dev/null
+++ b/test/susan/codegen.test.tpl
@@ -0,0 +1,32 @@
+// SYNTAX TEST "source.susan" "Example someTemplateFunction"
+
+template someTemplateFunction(Text message, Context context, builtin.SourceInfo info)
+//<--- source.susan keyword
+//       ^^^^^^^^^^^^^^^^^^^^^ source.susan entity.name.function
+::=
+//<-- source.susan keyword.control
+  match context
+//^^^^^ source.susan keyword.control
+  case FUNCTION_CONTEXT(__) then
+//^^^^ source.susan keyword.control
+//     ^^^^^^^^^^^^^^^^ source.susan entity.name.function
+//                          ^^^^ source.susan keyword.control
+    <<
+    void foo() {
+      FILE_INFO info = {<%infoArgs(info)%>};
+      printf("<%message%>\"\n");
+    }
+    >>
+//  ^^ source.susan string.interpolated keyword
+  else
+//^^^^ source.susan keyword.control
+    <<
+    void foo() {
+      printf("Unknown context\n");
+      printf("<%message%>\n");
+    }
+    >>
+//  ^^ source.susan string.interpolated keyword
+end someTemplateFunction;
+//<-- source.susan keyword
+//  ^^^^^^^^^^^^^^^^^^^^ source.susan entity.name.function