(Merge 3.4) Issue #21422: Add a test to check that bool << int and bool >> int

return an int

1 files changed, 7 insertions, 0 deletions

diff --git a/Lib/test/test_long.py b/Lib/test/test_long.py
index 13152ec..5f14795 100644
--- a/Lib/test/test_long.py
+++ b/Lib/test/test_long.py
@@ -1235,6 +1235,13 @@ class LongTest(unittest.TestCase):
         for n in map(int, integers):
             self.assertEqual(n, 0)
 
+    def test_shift_bool(self):
+        # Issue #21422: ensure that bool << int and bool >> int return int
+        for value in (True, False):
+            for shift in (0, 2):
+                self.assertEqual(type(value << shift), int)
+                self.assertEqual(type(value >> shift), int)
+
 
 def test_main():
     support.run_unittest(LongTest)