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(define-macro (check-equality form1 form2)
`(let ((result1 ,form1)
(result2 ,form2))
(if (not (equal? result1 result2))
(error "Check failed:"
(list 'equal? ',form1 ',form2)
result1 result2))))
(define-macro (check-range function from to)
`(begin (check-equality (,function ,from) ,from)
(check-equality (,function ,to) ,to)
(check-equality (throws-exception? (,function (- ,from 1))) #t)
(check-equality (throws-exception? (,function (+ ,to 1))) #t)))
;;; signed char, unsigned char typemaps deal with characters, not integers.
;; (check-range signed-char-identity (- (expt 2 7)) (- (expt 2 7) 1))
;; (check-range unsigned-char-identity 0 (- (expt 2 8) 1))
(check-range signed-short-identity (- (expt 2 15)) (- (expt 2 15) 1))
(check-range unsigned-short-identity 0 (- (expt 2 16) 1))
(check-range signed-int-identity (- (expt 2 31)) (- (expt 2 31) 1))
(check-range unsigned-int-identity 0 (- (expt 2 32) 1))
(check-range signed-long-identity (- (expt 2 31)) (- (expt 2 31) 1))
(check-range unsigned-long-identity 0 (- (expt 2 32) 1))
;;; long long not implemented in Guile and MzScheme.
;; (check-range signed-long-long-identity (- (expt 2 63)) (- (expt 2 63) 1))
;; (check-range unsigned-long-long-identity 0 (- (expt 2 64) 1))
(exit 0)
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