68 lines
1.4 KiB
Racket
68 lines
1.4 KiB
Racket
#lang typed/racket/base
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(module+ test
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(require
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trivial/vector
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typed/rackunit)
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(require/typed (for-template trivial/vector)
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(parse-vector-length (-> Syntax (Option Natural))))
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;; -- parse-vector-length
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;; --- '#
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(check-equal?
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(parse-vector-length #'#())
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0)
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; (check-equal?
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; (parse-vector-length #`#,'#(1 2))
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; 2)
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(check-equal?
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(parse-vector-length #'#(1 2 3 4))
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4)
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(check-equal?
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(parse-vector-length #'#(a b c e s aue d al))
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8)
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;; --- vector
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(check-equal?
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(parse-vector-length #'(vector))
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0)
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(check-equal?
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(parse-vector-length #'(vector 0 1))
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2)
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;; --- make-vector
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(check-equal?
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(parse-vector-length #'(make-vector -1 1))
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#f)
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(check-equal?
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(parse-vector-length #'(make-vector 0 8))
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0)
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(check-equal?
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(parse-vector-length #'(make-vector 3 3))
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3)
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(check-equal?
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(parse-vector-length #'(make-vector 99))
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99)
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;; --- build-vector
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(check-equal?
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;; Type error
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(parse-vector-length #'(build-vector -1))
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#f)
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(check-equal?
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(parse-vector-length #'(build-vector 0 (lambda (x) x)))
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0)
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(check-equal?
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(parse-vector-length #'(build-vector 3 (lambda (x) 8)))
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3)
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(check-equal?
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(parse-vector-length #'(build-vector 61 add1))
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61)
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;; -- vector-length:
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;; -- define-vector:
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(let ()
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(define-vector: v (vector 1 1 2 2))
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(check-equal? (vector-ref: v 0) 1))
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;; -- let-vector:
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)
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