/trunk/Examples/test-suite/schemerunme/integers.scm

# · Lisp · 28 lines · 19 code · 3 blank · 6 comment · 0 complexity · 4b6c728f8e3667a3100b68986964def3 MD5 · raw file

  1. (define-macro (check-equality form1 form2)
  2. `(let ((result1 ,form1)
  3. (result2 ,form2))
  4. (if (not (equal? result1 result2))
  5. (error "Check failed:"
  6. (list 'equal? ',form1 ',form2)
  7. result1 result2))))
  8. (define-macro (check-range function from to)
  9. `(begin (check-equality (,function ,from) ,from)
  10. (check-equality (,function ,to) ,to)
  11. (check-equality (throws-exception? (,function (- ,from 1))) #t)
  12. (check-equality (throws-exception? (,function (+ ,to 1))) #t)))
  13. ;;; signed char, unsigned char typemaps deal with characters, not integers.
  14. ;; (check-range signed-char-identity (- (expt 2 7)) (- (expt 2 7) 1))
  15. ;; (check-range unsigned-char-identity 0 (- (expt 2 8) 1))
  16. (check-range signed-short-identity (- (expt 2 15)) (- (expt 2 15) 1))
  17. (check-range unsigned-short-identity 0 (- (expt 2 16) 1))
  18. (check-range signed-int-identity (- (expt 2 31)) (- (expt 2 31) 1))
  19. (check-range unsigned-int-identity 0 (- (expt 2 32) 1))
  20. (check-range signed-long-identity (- (expt 2 31)) (- (expt 2 31) 1))
  21. (check-range unsigned-long-identity 0 (- (expt 2 32) 1))
  22. ;;; long long not implemented in Guile and MzScheme.
  23. ;; (check-range signed-long-long-identity (- (expt 2 63)) (- (expt 2 63) 1))
  24. ;; (check-range unsigned-long-long-identity 0 (- (expt 2 64) 1))
  25. (exit 0)