1 files changed, 22 insertions, 4 deletions
diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
index e52ed91..a38cc48 100644
--- a/Lib/test/test_contextlib.py
+++ b/Lib/test/test_contextlib.py
@@ -594,10 +594,28 @@ class TestExitStack(unittest.TestCase):
         stack.push(cm)
         self.assertIs(stack._exit_callbacks[-1], cm)
 
+class TestIgnored(unittest.TestCase):
+
+    def test_no_exception(self):
+
+        with ignored(ValueError):
+            self.assertEqual(pow(2, 5), 32)
+
+    def test_exact_exception(self):
+
+        with ignored(TypeError):
+            len(5)
+
+    def test_multiple_exception_args(self):
+
+        with ignored(ZeroDivisionError, TypeError):
+            len(5)
+
+    def test_exception_hierarchy(self):
+
+        with ignored(LookupError):
+            'Hello'[50]
 
-# This is needed to make the test actually run under regrtest.py!
-def test_main():
-    support.run_unittest(__name__)
 
 if __name__ == "__main__":
-    test_main()
+    unittest.main()