+
+;;; bug 230: CHAR= didn't check types of &REST arguments
+(dolist (form '((code-char char-code-limit)
+ (standard-char-p "a")
+ (graphic-char-p "a")
+ (alpha-char-p "a")
+ (upper-case-p "a")
+ (lower-case-p "a")
+ (both-case-p "a")
+ (digit-char-p "a")
+ (alphanumericp "a")
+ (char= #\a "a")
+ (char/= #\a "a")
+ (char< #\a #\b "c")
+ (char-equal #\a #\a "b")
+ (digit-char -1)
+ (digit-char 4 1)
+ (digit-char 4 37)))
+ (assert (raises-error? (apply (car form) (mapcar 'eval (cdr form))) type-error)))
+
+(dotimes (i 256)
+ (let* ((char (code-char i))
+ (graphicp (graphic-char-p char))
+ (name (char-name char)))
+ (unless graphicp
+ (assert name))))