1 files changed, 13 insertions, 4 deletions
diff --git a/Lib/test/test_scope.py b/Lib/test/test_scope.py
index 26ce042..b325545 100644
--- a/Lib/test/test_scope.py
+++ b/Lib/test/test_scope.py
@@ -715,6 +715,19 @@ class ScopeTests(unittest.TestCase):
         def b():
             global a
 
+    def testClassNamespaceOverridesClosure(self):
+        # See #17853.
+        x = 42
+        class X:
+            locals()["x"] = 43
+            y = x
+        self.assertEqual(X.y, 43)
+        class X:
+            locals()["x"] = 43
+            del x
+        self.assertFalse(hasattr(X, "x"))
+        self.assertEqual(x, 42)
+
     @cpython_only
     def testCellLeak(self):
         # Issue 17927.
@@ -743,10 +756,6 @@ class ScopeTests(unittest.TestCase):
         del tester
         self.assertIsNone(ref())
 
-    def test__Class__Global(self):
-        s = "class X:\n    global __class__\n    def f(self): super()"
-        self.assertRaises(SyntaxError, exec, s)
-
 
 def test_main():
     run_unittest(ScopeTests)