[3.12] gh-107461 ctypes: Add a testcase for nested _as_parameter_ lookup (GH-107462) (GH-114858)

(cherry picked from commit 0bf42da)

Co-authored-by: Tomas R <[email protected]>

Author: miss-islington

Lib/test/test_ctypes/test_as_parameter.py

@@ -227,5 +227,16 @@ class AsParamPropertyWrapperTestCase(BasicWrapTestCase):
 
 #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+class AsParamNestedWrapperTestCase(BasicWrapTestCase):
+    """Test that _as_parameter_ is evaluated recursively.
+
+    The _as_parameter_ attribute can be another object which
+    defines its own _as_parameter_ attribute.
+    """
+
+    def wrap(self, param):
+        return AsParamWrapper(AsParamWrapper(AsParamWrapper(param)))
+
+
 if __name__ == '__main__':
     unittest.main()