(setf (macro-function 'nothing-at-all nil) fun)
(assert (eq fun (macro-function 'nothing-at-all nil))))
+
+;;; DEFSETF accepts &ENVIRONMENT but not &AUX
+(defsetf test-defsetf-env-1 (&environment env) (new)
+ (declare (ignore new))
+ (if (macro-function 'defsetf-env-trick env)
+ :local
+ :global))
+
+(defsetf test-defsetf-env-2 (local global &environment env) (new)
+ (declare (ignore new))
+ (if (macro-function 'defsetf-env-trick env)
+ local
+ global))
+
+(assert (eq :local (macrolet ((defsetf-env-trick ()))
+ (setf (test-defsetf-env-1) 13))))
+
+(assert (eq :global (setf (test-defsetf-env-1) 13)))
+
+(assert (eq :local (macrolet ((defsetf-env-trick ()))
+ (setf (test-defsetf-env-2 :local :oops) 13))))
+
+(assert (eq :global (setf (test-defsetf-env-2 :oops :global) 13)))
+
+(assert (eq :error
+ (handler-case
+ (eval '(defsetf test-defsetf-aux (&aux aux) (new) nil))
+ (error ()
+ :error))))
+
;;; success