(assert (equal (remove 1 '(1 2 3 1) :count 1) '(2 3 1)))
(assert (equal (remove 1 '(1 2 3 1) :count (* 2 most-positive-fixnum)) '(2 3)))
(assert (equal (remove 1 '(1 2 3 1) :count (* -2 most-positive-fixnum)) '(1 2 3 1)))
+
+;;; bug reported by Wolfgang Jenkner on sbcl-devel 2003-01-04:
+;;; embedded calls of SORT do not work
+(assert (equal (sort (list 0 0 0) (lambda (x y) (sort (list 0 0 0) #'<) nil))
+ '(0 0 0)))
+(assert (equal (sort (list 0 0 0 0 0)
+ (lambda (x y)
+ (declare (ignore x y))
+ (block compare
+ (sort (make-list 11 :initial-element 1)
+ (let ((counter 7))
+ (lambda (x y)
+ (declare (ignore x y))
+ (when (= (decf counter) 0)
+ (return-from compare nil))
+ t))))))
+ '(0 0 0 0 0)))
+
+;;; miscellaneous sanity checks on stuff which could've been broken by
+;;; changes in MERGE-LIST* in sbcl-0.7.11.*
+(assert (equal (merge 'list () () '<) ()))
+(assert (equal (merge 'list () (list 1) #'< :key 'identity) '(1)))
+(assert (equal (merge 'list (list 2) () '>) '(2)))
+(assert (equal (merge 'list (list 1 2 4) (list 2 3 7) '<) '(1 2 2 3 4 7)))
+(assert (equal (merge 'list (list 1 2 4) (list -2 3 7) #'<) '(-2 1 2 3 4 7)))
+(assert (equal (merge 'list (list 1 2 4) (vector -2 3 7) '< :key 'abs)
+ '(1 2 -2 3 4 7)))
+(assert (equal (merge 'list (list 1 -2 4) (list -2 3 7) '< :key #'abs)
+ '(1 -2 -2 3 4 7)))
+(assert (equal (stable-sort (list 1 10 2 12 13 3) '<) '(1 2 3 10 12 13)))
+(assert (equal (stable-sort (list 1 10 2 12 13 3) #'< :key '-)
+ '(13 12 10 3 2 1)))
+(assert (equal (stable-sort (list 1 10 2 12 13 3) '> :key #'-)
+ '(1 2 3 10 12 13)))
+(assert (equal (stable-sort (list 1 2 3 -3 -2 -1) '< :key 'abs)
+ '(1 -1 2 -2 3 -3)))
+
+;;; CSR broke FILL by not returning the sequence argument in a transform.
+(let* ((s1 (copy-seq "abcde"))
+ (s2 (fill s1 #\z)))
+ (assert s2)
+ (assert (string= s2 "zzzzz")))