1 files changed, 9 insertions, 0 deletions
diff --git a/tests/basics/iter1.py b/tests/basics/iter1.py
index 5bd7f5090..9117dfd2b 100644
--- a/tests/basics/iter1.py
+++ b/tests/basics/iter1.py
@@ -9,6 +9,15 @@ try:
 except TypeError:
     print('TypeError')
 
+# this class has no __next__ implementation
+class NotIterable:
+    def __iter__(self):
+        return self
+try:
+    print(all(NotIterable()))
+except TypeError:
+    print('TypeError')
+
 class MyStopIteration(StopIteration):
     pass