1 files changed, 42 insertions, 2 deletions
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index c510f1b..ac5c52b 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -66,10 +66,27 @@ try:
     class FlagStooges(Flag):
         LARRY = 1
         CURLY = 2
-        MOE = 3
+        MOE = 4
 except Exception as exc:
     FlagStooges = exc
 
+class FlagStoogesWithZero(Flag):
+    NOFLAG = 0
+    LARRY = 1
+    CURLY = 2
+    MOE = 4
+
+class IntFlagStooges(IntFlag):
+    LARRY = 1
+    CURLY = 2
+    MOE = 4
+
+class IntFlagStoogesWithZero(IntFlag):
+    NOFLAG = 0
+    LARRY = 1
+    CURLY = 2
+    MOE = 4
+
 # for pickle test and subclass tests
 class Name(StrEnum):
     BDFL = 'Guido van Rossum'
@@ -2964,9 +2981,32 @@ class OldTestFlag(unittest.TestCase):
     def test_pickle(self):
         if isinstance(FlagStooges, Exception):
             raise FlagStooges
-        test_pickle_dump_load(self.assertIs, FlagStooges.CURLY|FlagStooges.MOE)
+        test_pickle_dump_load(self.assertIs, FlagStooges.CURLY)
+        test_pickle_dump_load(self.assertEqual,
+                        FlagStooges.CURLY|FlagStooges.MOE)
+        test_pickle_dump_load(self.assertEqual,
+                        FlagStooges.CURLY&~FlagStooges.CURLY)
         test_pickle_dump_load(self.assertIs, FlagStooges)
 
+        test_pickle_dump_load(self.assertIs, FlagStoogesWithZero.CURLY)
+        test_pickle_dump_load(self.assertEqual,
+                        FlagStoogesWithZero.CURLY|FlagStoogesWithZero.MOE)
+        test_pickle_dump_load(self.assertIs, FlagStoogesWithZero.NOFLAG)
+
+        test_pickle_dump_load(self.assertIs, IntFlagStooges.CURLY)
+        test_pickle_dump_load(self.assertEqual,
+                        IntFlagStooges.CURLY|IntFlagStooges.MOE)
+        test_pickle_dump_load(self.assertEqual,
+                        IntFlagStooges.CURLY|IntFlagStooges.MOE|0x30)
+        test_pickle_dump_load(self.assertEqual, IntFlagStooges(0))
+        test_pickle_dump_load(self.assertEqual, IntFlagStooges(0x30))
+        test_pickle_dump_load(self.assertIs, IntFlagStooges)
+
+        test_pickle_dump_load(self.assertIs, IntFlagStoogesWithZero.CURLY)
+        test_pickle_dump_load(self.assertEqual,
+                        IntFlagStoogesWithZero.CURLY|IntFlagStoogesWithZero.MOE)
+        test_pickle_dump_load(self.assertIs, IntFlagStoogesWithZero.NOFLAG)
+
     @unittest.skipIf(
             python_version >= (3, 12),
             '__contains__ now returns True/False for all inputs',