1 files changed, 28 insertions, 2 deletions
diff --git a/Lib/test/test_frame.py b/Lib/test/test_frame.py
index 32de8ed..11f1917 100644
--- a/Lib/test/test_frame.py
+++ b/Lib/test/test_frame.py
@@ -397,15 +397,41 @@ class TestFrameLocals(unittest.TestCase):
     def test_delete(self):
         x = 1
         d = sys._getframe().f_locals
-        with self.assertRaises(TypeError):
+
+        # This needs to be tested before f_extra_locals is created
+        with self.assertRaisesRegex(KeyError, 'non_exist'):
+            del d['non_exist']
+
+        with self.assertRaises(KeyError):
+            d.pop('non_exist')
+
+        with self.assertRaisesRegex(ValueError, 'local variables'):
             del d['x']
 
         with self.assertRaises(AttributeError):
             d.clear()
 
-        with self.assertRaises(AttributeError):
+        with self.assertRaises(ValueError):
             d.pop('x')
 
+        with self.assertRaises(ValueError):
+            d.pop('x', None)
+
+        # 'm', 'n' is stored in f_extra_locals
+        d['m'] = 1
+        d['n'] = 1
+
+        with self.assertRaises(KeyError):
+            d.pop('non_exist')
+
+        del d['m']
+        self.assertEqual(d.pop('n'), 1)
+
+        self.assertNotIn('m', d)
+        self.assertNotIn('n', d)
+
+        self.assertEqual(d.pop('n', 2), 2)
+
     @support.cpython_only
     def test_sizeof(self):
         proxy = sys._getframe().f_locals