;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
-;;;;
+;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
;;; looks as though it's past time to start accumulating regression
;;; tests for these.
(dolist (testcase
- '((:args ((1 2 3 4 5)) :result (1 2 3 4))
- (:args ((1 2 3 4 5) 6) :result nil)
- (:args (nil) :result nil)
- (:args (t) :result nil)
- (:args (foosymbol 0) :result foosymbol)
- (:args (foosymbol) :result nil)
- (:args (foosymbol 1) :result nil)
- (:args (foosymbol 2) :result nil)
- (:args ((1 2 3) 0) :result (1 2 3))
- (:args ((1 2 3) 1) :result (1 2))
- (:args ((1 2 3)) :result (1 2))
- (:args ((1 2 3) 2) :result (1))
- (:args ((1 2 3) 3) :result nil)
- (:args ((1 2 3) 4) :result nil)
- (:args ((1 2 3 . 4) 0) :result (1 2 3 . 4))
- (:args ((1 2 3 . 4) 1) :result (1 2))
- (:args ((1 2 3 . 4)) :result (1 2))
- (:args ((1 2 3 . 4) 2) :result (1))
- (:args ((1 2 3 . 4) 3) :result nil)
- (:args ((1 2 3 . 4) 4) :result nil)))
+ '((:args ((1 2 3 4 5)) :result (1 2 3 4))
+ (:args ((1 2 3 4 5) 6) :result nil)
+ (:args (nil) :result nil)
+ (:args ((1 2 3) 0) :result (1 2 3))
+ (:args ((1 2 3) 1) :result (1 2))
+ (:args ((1 2 3)) :result (1 2))
+ (:args ((1 2 3) 2) :result (1))
+ (:args ((1 2 3) 3) :result nil)
+ (:args ((1 2 3) 4) :result nil)
+ (:args ((1 2 3 . 4) 0) :result (1 2 3 . 4))
+ (:args ((1 2 3 . 4) 1) :result (1 2))
+ (:args ((1 2 3 . 4)) :result (1 2))
+ (:args ((1 2 3 . 4) 2) :result (1))
+ (:args ((1 2 3 . 4) 3) :result nil)
+ (:args ((1 2 3 . 4) 4) :result nil)))
(destructuring-bind (&key args result) testcase
(destructuring-bind (list &rest rest) args
;; Test with BUTLAST.
(let ((actual-result (apply #'butlast args)))
- (when (and (consp list) (eq actual-result list))
- (error "not a copy in BUTLAST for ~S" args))
- (unless (equal actual-result result)
- (error "failed BUTLAST for ~S" args)))
+ (when (and (consp list) (eq actual-result list))
+ (error "not a copy in BUTLAST for ~S" args))
+ (unless (equal actual-result result)
+ (error "failed BUTLAST for ~S" args)))
;; Test with NBUTLAST.
(let* ((copied-list (copy-list list))
- (actual-result (apply #'nbutlast copied-list rest)))
- (unless (equal actual-result result)
- (error "failed NBUTLAST for ~S" args))))))
+ (actual-result (apply #'nbutlast copied-list rest)))
+ (unless (equal actual-result result)
+ (error "failed NBUTLAST for ~S" args))))))
+
+(multiple-value-bind (result error)
+ (ignore-errors (apply #'butlast (list t)))
+ (assert (null result))
+ (assert (typep error 'type-error)))
+
+;;; reported by Paul Dietz on cmucl-imp: LDIFF does not check type of
+;;; its first argument
+(assert (not (ignore-errors (ldiff 1 2))))
+
+;;; evaluation order in PUSH, PUSHNEW
+(let ((a (map 'vector #'list '(a b c))))
+ (let ((i 0))
+ (pushnew (incf i) (aref a (incf i)))
+ (assert (equalp a #((a) (b) (1 c))))))
+
+(symbol-macrolet ((s (aref a (incf i))))
+ (let ((a (map 'vector #'list '(a b c))))
+ (let ((i 0))
+ (push t s)
+ (assert (equalp a #((a) (t b) (c))))
+ (pushnew 1 s)
+ (assert (equalp a #((a) (t b) (1 c))))
+ (setq i 0)
+ (assert (eql (pop s) 't))
+ (assert (equalp a #((a) (b) (1 c)))))))
+
+;;; Type checking in NCONC
+(let ((tests '((((1 . 2)) (1 . 2))
+ (((1 . 2) (3 . 4)) (1 3 . 4))
+ (((1 . 2) 3) (1 . 3))
+ ((3) 3))))
+ (loop for (args result) in tests
+ do (assert (equal (apply 'nconc (copy-tree args)) result))
+ do (let ((exp `(nconc ,@ (mapcar (lambda (arg)
+ `(copy-tree ',arg))
+ args))))
+ (assert (equal (funcall (compile nil `(lambda () ,exp))) result)))))
+
+(let ((tests '(((3 (1 . 2)) 3)
+ (((1 . 2) 3 (4 . 5)) 3))))
+ (macrolet ((check-error (form failed-arg)
+ `(multiple-value-bind (.result. .error.)
+ (ignore-errors ,form)
+ (assert (null .result.))
+ (assert (typep .error. 'type-error))
+ (assert (eq (type-error-expected-type .error.) 'list))
+ (assert (equal (type-error-datum .error.) ,failed-arg)))))
+ (loop for (args fail) in tests
+ do (check-error (apply #'nconc (copy-tree args)) fail)
+ do (let ((exp `(nconc ,@ (mapcar (lambda (arg)
+ `(copy-tree ',arg))
+ args))))
+ (check-error (funcall (compile nil `(lambda () ,exp))) fail)))))
+
+(dolist (test '((append 1 2)
+ (append (1 2) nil (3 . 4) nil)
+ (append nil (1 2) nil (3 . 4) nil)
+ (reverse (1 2 . 3))
+ (nreverse (1 2 . 3))
+ (nreconc (1 2 . 3) (4 5))
+ (copy-alist ((1 . 2) (3 . 4) . 5))))
+ (assert (raises-error? (apply (first test) (copy-tree (rest test)))
+ type-error)))
+
+;;; Bug reported by Paul Dietz: NSET-EXCLUSIVE-OR should not return
+;;; extra elements, even when given "sets" contain duplications
+(assert (equal (remove-duplicates (sort (nset-exclusive-or (list 1 2 1 3)
+ (list 4 1 3 3))
+ #'<))
+ '(2 4)))
+
+;;; Bug reported by Adam Warner: valid list index designator is not
+;;; necessary a fixnum
+(let ((s (read-from-string "(a . #1=(b c . #1#))")))
+ (assert (eq (nth (* 1440 most-positive-fixnum) s) 'c))
+ (setf (nth (* 1440 most-positive-fixnum) s) 14)
+ (assert (eq (nth (* 1440 most-positive-fixnum) s) 14)))
+
+(let ((s (copy-list '(1 2 3))))
+ (assert (eq s (last s (* 1440 most-positive-fixnum))))
+ (assert (null (butlast s (* 1440 most-positive-fixnum))))
+ (assert (null (nbutlast s (* 1440 most-positive-fixnum)))))
+
+;;; Bug reported by Paul Dietz: ASSOC should ignore NIL elements in a
+;;; alist
+(let ((f (compile nil '(lambda (x)
+ (assoc x '(nil (a . b) nil (nil . c) (c . d))
+ :test #'eq)))))
+ (assert (equal (funcall f 'nil) '(nil . c))))
projects / sbcl.git / blobdiff