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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Loops-Wrong-ranges/Racket/loops-wrong-ranges.rkt Normal file
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#lang racket
(require racket/sandbox)
(define tests '([-2 2 1 "Normal"]
[-2 2 0 "Zero increment"]
[-2 2 -1 "Increments away from stop value"]
[-2 2 10 "First increment is beyond stop value"]
[2 -2 1 "Start more than stop: positive increment"]
[2 2 1 "Start equal stop: positive increment"]
[2 2 -1 "Start equal stop: negative increment"]
[2 2 0 "Start equal stop: zero increment"]
[0 0 0 "Start equal stop equal zero: zero increment"]))
(for ([test (in-list tests)])
(match-define (list st ed inc desc) test)
(printf "~a:\n (in-range ~a ~a ~a) = ~a\n\n"
desc st ed inc
(with-handlers ([exn:fail:resource? (thunk* 'timeout)])
(with-limits 1 #f
(sequence->list (in-range st ed inc))))))