1 files changed, 15 insertions, 0 deletions
diff --git a/tests/basics/sys1.py b/tests/basics/sys1.py
index 759b9a6ea..95d8905d1 100644
--- a/tests/basics/sys1.py
+++ b/tests/basics/sys1.py
@@ -23,3 +23,18 @@ if hasattr(sys.implementation, '_mpy'):
 else:
     # Effectively skip subtests
     print(int)
+
+try:
+    print(sys.intern('micropython') == 'micropython')
+    has_intern = True
+except AttributeError:
+    has_intern = False
+    print(True)
+
+if has_intern:
+    try:
+        print(sys.intern(0))
+    except TypeError:
+        print(True)
+else:
+    print(True)