diff --git a/tests/glyphdata_test.py b/tests/glyphdata_test.py
index bdc88e364..3f1817659 100644
--- a/tests/glyphdata_test.py
+++ b/tests/glyphdata_test.py
@@ -138,6 +138,12 @@ def cat(n):
         self.assertEqual(cat("_aaa"), (None, None))
         self.assertEqual(cat("dal_alef-ar"), ("Letter", "Ligature"))
         self.assertEqual(cat("dal_lam-ar.dlig"), ("Letter", "Ligature"))
+        self.assertEqual(cat("a.sc"), ("Letter", "Smallcaps"))
+        self.assertEqual(cat("a.sc.ss01"), ("Letter", "Smallcaps"))
+        self.assertEqual(cat("a.smcp"), ("Letter", "Smallcaps"))
+        self.assertEqual(cat("a.smcp.ss01"), ("Letter", "Smallcaps"))
+        self.assertEqual(cat("a.c2sc"), ("Letter", "Smallcaps"))
+        self.assertEqual(cat("a.c2sc.ss01"), ("Letter", "Smallcaps"))
 
     def test_bug232(self):
         # https://github.com/googlefonts/glyphsLib/issues/232