dds/utils-tests.rkt

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#lang racket
;;; Tests for dds/utils.
(require rackunit "utils.rkt")
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(test-case "HashTable Injection"
(test-case "auto-hash-ref/explicit"
(let ([mytable #hash((a . 3) (b . 4))])
(check-equal? (auto-hash-ref/explicit (mytable b a)
(* a b))
12))
(let ([ht #hash((a . #t) (b . #f))])
(check-equal? (auto-hash-ref/explicit (ht a b)
(and (not a) b))
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#f)))
(test-case "auto-hash-ref/:"
(let ([ht #hash((x . #t) (y . #t) (t . #f))]
[z #t])
(check-equal? (auto-hash-ref/: ht
(and :x (not :y) z (or (and :t) :x)))
#f))
(let ([ht #hash((a . 1) (b . 2))])
(check-equal? (auto-hash-ref/: ht (+ :a (* 2 :b)))
5)))
(test-case "eval-with"
(check-equal? (let ([ht #hash((a . 1) (b . 1))])
(eval-with ht '(+ b a 1)))
3)))
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(test-case "Analysis of quoted expressions"
(check-equal? (extract-symbols '(1 (2 3) x (y z 3)))
'(x y z)))