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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)))
(let ((signed-short-min (- (expt 2 (- (* (signed-short-size) 8) 1))))
(signed-short-max (- (expt 2 (- (* (signed-short-size) 8) 1)) 1))
(unsigned-short-max (- (expt 2 (* (unsigned-short-size) 8)) 1))
(signed-int-min (- (expt 2 (- (* (signed-int-size) 8) 1))))
(signed-int-max (- (expt 2 (- (* (signed-int-size) 8) 1)) 1))
(unsigned-int-max (- (expt 2 (* (unsigned-int-size) 8)) 1))
(signed-long-min (- (expt 2 (- (* (signed-long-size) 8) 1))))
(signed-long-max (- (expt 2 (- (* (signed-long-size) 8) 1)) 1))
(unsigned-long-max (- (expt 2 (* (unsigned-long-size) 8)) 1))
(signed-long-long-min (- (expt 2 (- (* (signed-long-long-size) 8) 1))))
(signed-long-long-max (- (expt 2 (- (* (signed-long-long-size) 8) 1)) 1))
(unsigned-long-long-max (- (expt 2 (* (unsigned-long-long-size) 8)) 1))
)
;;; 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 signed-short-min signed-short-max)
(check-range unsigned-short-identity 0 unsigned-short-max)
(check-range signed-int-identity signed-int-min signed-int-max)
(check-range unsigned-int-identity 0 unsigned-int-max)
(check-range signed-long-identity signed-long-min signed-long-max)
(check-range unsigned-long-identity 0 unsigned-long-max)
;;; long long not implemented in Guile and MzScheme.
(check-range signed-long-long-identity signed-long-long-min signed-long-long-max)
(check-range unsigned-long-long-identity 0 unsigned-long-long-max)
)
(exit 0)
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