285 lines
8.3 KiB
Scheme
285 lines
8.3 KiB
Scheme
(module contract-opt-tests mzscheme
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(require mzlib/contract
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schemeunit
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schemeunit/text-ui)
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(define (exn:fail:contract-violation? exn)
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(if (regexp-match #rx"broke" (exn-message exn)) #t #f))
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(define ((blame-to whom) exn)
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(and (exn:fail:contract-violation? exn)
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(regexp-match (format "~a broke" whom)
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(exn-message exn))))
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(define ((match-msg msg) exn)
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(regexp-match (regexp msg) (exn-message exn)))
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(define-simple-check (check-pred2 func thunk)
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(let-values ([(a b) (thunk)])
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(func a b)))
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(define-simple-check (check-name expected ctc)
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(let ((got (contract-name ctc)))
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(equal? expected got)))
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(define opt-tests
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(test-suite
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"Tests for opt/c"
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(test-case
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"or 1"
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(check-pred (λ (x) (= x 1))
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(contract (opt/c (or/c number? boolean?)) 1 'pos 'neg)))
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(test-case
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"or 2"
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(check-pred (λ (x) (eq? x #t))
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(contract (opt/c (or/c number? boolean?)) #t 'pos 'neg)))
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(test-exn
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"or 3"
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(blame-to 'pos)
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(λ ()
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(contract (opt/c (or/c number? boolean?)) "string" 'pos 'neg)))
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(test-case
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"or 4"
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(check-pred (λ (x) (= x 1))
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((contract (opt/c (or/c number? (-> boolean? number?)))
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(λ (x) 1) 'pos 'neg) #t)))
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(test-case
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"or 5"
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(check-pred (λ (x) (= x 1))
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((contract (opt/c (or/c (-> boolean? boolean? number?) (-> boolean? number?)))
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(λ (x y) 1) 'pos 'neg) #t #f)))
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(test-case
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"lifting 1"
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(check-pred (λ (x) (= x 1))
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(let ((volatile 0))
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(contract (opt/c (between/c (begin (set! volatile 1) 3) 5)) 4 'pos 'neg)
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volatile)))
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(test-case
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"arrow 1"
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(check-pred (λ (x) (= x 1))
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((contract (opt/c (-> boolean? number?)) (λ (x) 1) 'pos 'neg) #t)))
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(test-case
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"arrow 2"
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(check-pred2 (λ (x y) (and (= x 1) (= y 2)))
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(λ ()
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((contract (opt/c (-> boolean? (values number? number?)))
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(λ (x) (values 1 2)) 'pos 'neg) #t))))
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(test-case
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"arrow 3"
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(check-pred2 (λ (x y) (and (= x 1) (= y 2)))
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(λ ()
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((contract (opt/c (-> boolean? any)) (λ (x) (values 1 2)) 'pos 'neg) #t))))
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(test-case
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"arrow 4"
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(check-pred (λ (x) (= x 1))
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((contract (opt/c (-> boolean? any)) (λ (x) 1) 'pos 'neg) #t)))
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(test-exn
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"arrow 5"
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(blame-to 'neg)
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(λ ()
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((contract (opt/c (-> boolean? number?)) (λ (x) #t) 'pos 'neg) 1)))
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(test-exn
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"arrow 6"
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(blame-to 'pos)
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(λ ()
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((contract (opt/c (-> boolean? number?)) (λ (x) #t) 'pos 'neg) #t)))
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(test-case
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"flat-contract 1"
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(check-pred (λ (x) (= x 1))
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(contract (opt/c (flat-contract (λ (x) (= x 1)))) 1 'pos 'neg)))
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(test-exn
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"flat-contract 2"
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(match-msg "expected a flat")
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(λ ()
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(contract (opt/c (flat-contract (λ (x y) #f))) 1 'pos 'neg)))
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(test-case
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"cons/c 1"
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(check-pred (λ (x) (and (= (car x) 1) (= (cdr x) 2)))
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(contract (opt/c (cons/c number? (flat-contract (λ (x) (= x 2)))))
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(cons 1 2) 'pos 'neg)))
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(test-case
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"cons/c 1"
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(check-pred (λ (x) (and (= (car x) 1) (= (cdr x) 2)))
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(contract (opt/c (cons/c number? (flat-contract (λ (x) (= x 2)))))
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(cons 1 2) 'pos 'neg)))
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(test-case
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"cons/c 2"
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(check-pred (λ (x) (and (= (car x) 1) (= ((cdr x) 1) 2)))
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(contract (opt/c (cons/c number? (-> number? any)))
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(cons 1 (λ (x) 2)) 'pos 'neg)))
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(test-case
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"between/c 1"
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(check-pred (λ (x) (= x 1))
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(contract (opt/c (between/c 1 2)) 1 'pos 'neg)))
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(test-case
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"between/c 2"
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(blame-to 'pos)
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(λ ()
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(contract (opt/c (between/c 1 2)) 3 'pos 'neg)))
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(test-exn
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"between/c 2"
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(match-msg "expected a number as first")
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(λ ()
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(contract (opt/c (between/c 'x 'b)) 1 'pos 'neg)))
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(test-exn
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"between/c 3"
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(match-msg "expected a number as second")
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(λ ()
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(contract (opt/c (between/c 1 'b)) 1 'pos 'neg)))
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;;
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;; name tests
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;;
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(test-case
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"integer? name"
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(check-name 'integer? (opt/c (flat-contract integer?))))
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(test-case
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"boolean? name"
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(check-name 'boolean? (opt/c (flat-contract boolean?))))
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(test-case
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"char? name"
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(check-name 'char? (opt/c (flat-contract char?))))
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(test-case
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"any/c name"
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(check-name 'any/c (opt/c any/c)))
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(test-case
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"-> name 1"
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(check-name '(-> integer? integer?) (opt/c (-> integer? integer?))))
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(test-case
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"-> name 2"
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(check-name '(-> integer? any) (opt/c (-> integer? any))))
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(test-case
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"-> name 3"
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(check-name '(-> integer? (values boolean? char?)) (opt/c (-> integer? (values boolean? char?)))))
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(test-case
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"or/c name 1"
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(check-name '(or/c) (opt/c (or/c))))
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(test-case
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"or/c name 2"
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(check-name '(or/c integer? gt0?) (opt/c (or/c integer? (let ([gt0? (lambda (x) (> x 0))]) gt0?)))))
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(test-case
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"or/c name 3"
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(check-name '(or/c integer? boolean?)
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(opt/c (or/c (flat-contract integer?)
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(flat-contract boolean?)))))
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(test-case
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"or/c name 4"
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(check-name '(or/c integer? boolean?)
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(opt/c (or/c integer? boolean?))))
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(test-case
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"or/c name 5"
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(check-name '(or/c (-> (>=/c 5) (>=/c 5)) boolean?)
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(opt/c (or/c (-> (>=/c 5) (>=/c 5)) boolean?))))
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(test-case
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"or/c name 6"
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(check-name '(or/c (-> (>=/c 5) (>=/c 5)) boolean?)
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(opt/c (or/c boolean? (-> (>=/c 5) (>=/c 5))))))
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(test-case
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"or/c name 7"
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(check-name '(or/c (-> (>=/c 5) (>=/c 5))
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(-> (<=/c 5) (<=/c 5) (<=/c 5)))
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(opt/c (or/c (-> (>=/c 5) (>=/c 5))
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(-> (<=/c 5) (<=/c 5) (<=/c 5))))))
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(test-case
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"or/c name 8"
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(check-name '(or/c boolean?
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(-> (>=/c 5) (>=/c 5))
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(-> (<=/c 5) (<=/c 5) (<=/c 5)))
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(opt/c (or/c boolean?
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(-> (>=/c 5) (>=/c 5))
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(-> (<=/c 5) (<=/c 5) (<=/c 5))))))
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(test-case
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"=/c name 1"
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(check-name '(=/c 5) (opt/c (=/c 5))))
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(test-case
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">=/c name 1"
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(check-name '(>=/c 5) (opt/c (>=/c 5))))
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(test-case
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"<=/c name 1"
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(check-name '(<=/c 5) (opt/c (<=/c 5))))
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(test-case
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"</c name 1"
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(check-name '(</c 5) (opt/c (</c 5))))
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(test-case
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">/c name 1"
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(check-name '(>/c 5) (opt/c (>/c 5))))
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(test-case
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"between/c name 1"
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(check-name '(between/c 5 6) (opt/c (between/c 5 6))))
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(test-case
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"cons/c name 1"
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(check-name '(cons/c boolean? integer?)
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(opt/c (cons/c boolean? (flat-contract integer?)))))
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(test-case
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"cons/c name 2"
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(check-name '(cons/c boolean? integer?)
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(opt/c (cons/c boolean? (flat-contract integer?)))))
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(test-case
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"cons/c name 1"
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(check-name '(cons/c boolean? integer?)
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(opt/c (cons/c boolean? (flat-contract integer?)))))
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(test-case
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"cons/c name 2"
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(check-name '(cons/c boolean? integer?)
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(opt/c (cons/c boolean? (flat-contract integer?)))))
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(test-case
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"cons/c name 3"
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(check-name '(cons/c boolean? integer?)
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(opt/c (cons/c boolean? (flat-contract integer?)))))
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(test-case
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"cons/c name 4"
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(check-name '(cons/c (-> boolean? boolean?) integer?)
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(opt/c (cons/c (-> boolean? boolean?) integer?))))
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))
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(run-tests opt-tests))
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