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Added test for the use of struct-copy within the properties.

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This commit is contained in:
Georges Dupéron 2016-09-14 22:13:28 +02:00
parent f5fdac7077
commit b6312b8ee2
1 changed files with 94 additions and 0 deletions
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test/test-after.rkt Normal file
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#lang typed/racket
(require typed-struct-props
typed/rackunit)
(define globl1 : (U #f foo1) #f)
(struct/props foo1 ([f : Number] [g : String]) #:transparent
#:property prop:custom-write
(λ (this out mode)
(set! globl1 (struct-copy foo1 this [g "bbb"]))
(write "dummy" out)))
(check-equal? (let ([f (foo1 0 "ggg")])
(check-false globl1)
(format "~a" f)
(check-not-false globl1)
(let ([gl globl1])
(if gl
(foo1-g gl)
'wrong)))
"bbb")
(define globl2q1 : (U #f foo2) #f)
(define globl2q2 : (U #f foo2) #f)
(define globl2h1 : (U #f foo2) #f)
(define globl2h2 : (U #f foo2) #f)
(struct/props foo2 ([f : Number] [g : String]) #:transparent
#:property prop:equal+hash
(list (λ (a b recur)
(when (foo2? a)
(set! globl2q1 (struct-copy foo2 a [g "bbb-q1"])))
(when (foo2? b)
(set! globl2q2 (struct-copy foo2 b [g "bbb-q2"])))
#f)
(λ (a recur)
(set! globl2h1 (struct-copy foo2 a [g "bbb-h1"]))
0)
(λ (a recur)
(set! globl2h2 (struct-copy foo2 a [g "bbb-h2"]))
0)))
(check-equal? (let ([f1 (foo2 0 "ggg")]
[f2 (foo2 1 "hhh")])
(check-false globl2q1)
(check-false globl2q2)
(check-false globl2h1)
(check-false globl2h2)
(equal? f1 f2)
(check-not-false globl2q1)
(check-not-false globl2q2)
(check-false globl2h1)
(check-false globl2h2)
(let ([gl1 globl2q1]
[gl2 globl2q2])
(cons (if gl1 (cons (foo2-f gl1) (foo2-g gl1)) 'wrong)
(if gl2 (cons (foo2-f gl2) (foo2-g gl2)) 'wrong))))
'((0 . "bbb-q1")
.
(1 . "bbb-q2")))
(set! globl2q1 #f)
(set! globl2q2 #f)
(check-equal? (let ([f (foo2 0 "ggg")])
(check-false globl2q1)
(check-false globl2q2)
(check-false globl2h1)
(check-false globl2h2)
(equal-hash-code f)
(check-false globl2q1)
(check-false globl2q2)
(check-not-false globl2h1)
(check-false globl2h2)
(let ([gl globl2h1])
(if gl (foo2-g gl) 'wrong)))
"bbb-h1")
(set! globl2h1 #f)
(check-equal? (let ([f (foo2 0 "ggg")])
(check-false globl2q1)
(check-false globl2q2)
(check-false globl2h1)
(check-false globl2h2)
(equal-secondary-hash-code f)
(check-false globl2q1)
(check-false globl2q2)
(check-false globl2h1)
(check-not-false globl2h2)
(let ([gl globl2h2])
(if gl (foo2-g gl) 'wrong)))
"bbb-h2")