1 files changed, 18 insertions, 0 deletions
diff --git a/tests/analysis/scan/pyapi.py b/tests/analysis/scan/pyapi.py
index 29e813b..5c31c82 100644
--- a/tests/analysis/scan/pyapi.py
+++ b/tests/analysis/scan/pyapi.py
@@ -92,6 +92,24 @@ class TestRostPythonAPI(ChrysalideTestCase):
         self.assertEqual(source[::-1], transformed[0])
 
 
+        mod = find_token_modifiers_for_name('lower')
+        self.assertIsNotNone(mod)
+
+        source = b'AbC'
+        transformed = mod.transform(source)
+
+        self.assertEqual(source.lower(), transformed[0])
+
+
+        mod = find_token_modifiers_for_name('upper')
+        self.assertIsNotNone(mod)
+
+        source = b'AbC'
+        transformed = mod.transform(source)
+
+        self.assertEqual(source.upper(), transformed[0])
+
+
         mod = find_token_modifiers_for_name('wide')
         self.assertIsNotNone(mod)