(make-test " x x " "x x " " x x" "x x"))
+;;; Trimming should respect fill-pointers
+(let* ((s (make-array 9 :initial-contents "abcdabadd" :element-type
+ 'character :fill-pointer 7))
+ (s2 (string-left-trim "ab" s))
+ (s3 (string-right-trim "ab" s)))
+ (assert (equal "abcdaba" s))
+ (assert (equal "cdaba" s2))
+ (assert (equal "abcd" s3)))
+
+;;; Trimming should replace displacement offsets
+(let* ((etype 'base-char)
+ (s0
+ (make-array '(6) :initial-contents "abcaeb" :element-type etype))
+ (s
+ (make-array '(3) :element-type etype :displaced-to s0 :displaced-index-offset 1)))
+ (assert (equal "bc" (string-right-trim "ab" s)))
+ (assert (equal "bca" s))
+ (assert (equal "abcaeb" s0)))
+
+;;; Trimming non-simple-strings when there is nothing to do
+(let ((a (make-array 10 :element-type 'character :initial-contents "abcde00000" :fill-pointer 5)))
+ (assert (equal "abcde" (string-right-trim "Z" a))))
+
+;;; Trimming non-strings when there is nothing to do.
+(string-right-trim " " #\a)
+