151 lines
4.0 KiB
Scheme
151 lines
4.0 KiB
Scheme
#!r6rs
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(library (tests r6rs records syntactic)
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(export run-records-syntactic-tests)
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(import (rnrs)
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(tests r6rs test))
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;; ----------------------------------------
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(define-record-type (point make-point point?)
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(fields (immutable x point-x)
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(mutable y point-y set-point-y!))
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(nongenerative
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point-4893d957-e00b-11d9-817f-00111175eb9e))
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(define-record-type (cpoint make-cpoint cpoint?)
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(parent point)
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(protocol
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(lambda (n)
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(lambda (x y c)
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((n x y) (color->rgb c)))))
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(fields
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(mutable rgb cpoint-rgb cpoint-rgb-set!)))
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(define-record-type (cpoint2 make-cpoint2 cpoint2?)
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(parent-rtd (record-type-descriptor point)
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(record-constructor-descriptor point))
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(fields rgb)
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(opaque #f) (sealed #f))
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(define (color->rgb c)
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(cons 'rgb c))
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(define p1 (make-point 1 2))
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(define p2 (make-cpoint 3 4 'red))
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(define-record-type (ex1 make-ex1 ex1?)
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(protocol (lambda (p) (lambda a (p a))))
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(fields (immutable f ex1-f)))
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(define ex1-i1 (make-ex1 1 2 3))
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(define-record-type (ex2 make-ex2 ex2?)
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(protocol
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(lambda (p) (lambda (a . b) (p a b))))
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(fields (immutable a ex2-a)
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(immutable b ex2-b)))
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(define ex2-i1 (make-ex2 1 2 3))
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(define-record-type (unit-vector
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make-unit-vector
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unit-vector?)
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(protocol
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(lambda (p)
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(lambda (x y z)
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(let ((length
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(sqrt (+ (* x x)
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(* y y)
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(* z z)))))
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(p (/ x length)
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(/ y length)
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(/ z length))))))
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(fields (immutable x unit-vector-x)
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(immutable y unit-vector-y)
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(immutable z unit-vector-z)))
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(define *ex3-instance* #f)
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(define-record-type ex3
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(parent cpoint)
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(protocol
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(lambda (n)
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(lambda (x y t)
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(let ((r ((n x y 'red) t)))
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(set! *ex3-instance* r)
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r))))
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(fields
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(mutable thickness))
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(sealed #t) (opaque #t))
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(define ex3-i1 (make-ex3 1 2 17))
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;; ----------------------------------------
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(define (run-records-syntactic-tests)
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(test (point? p1) #t)
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(test (point? p2) #t)
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(test (point? (vector)) #f)
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(test (point? (cons 'a 'b)) #f)
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(test (cpoint? p1) #f)
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(test (cpoint? p2) #t)
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(test (point-x p1) 1)
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(test (point-y p1) 2)
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(test (point-x p2) 3)
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(test (point-y p2) 4)
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(test (cpoint-rgb p2) '(rgb . red))
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(test/unspec (set-point-y! p1 17))
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(test (point-y p1) 17)
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(test (record-rtd p1) (record-type-descriptor point))
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(test point (record-type-descriptor point))
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(test (ex1-f ex1-i1) '(1 2 3))
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(test (ex2-a ex2-i1) 1)
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(test (ex2-b ex2-i1) '(2 3))
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(test (ex3? ex3-i1) #t)
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(test (cpoint-rgb ex3-i1) '(rgb . red))
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(test (ex3-thickness ex3-i1) 17)
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(test/unspec (ex3-thickness-set! ex3-i1 18))
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(test (ex3-thickness ex3-i1) 18)
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(test *ex3-instance* ex3-i1)
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(test (record? p1) #t)
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(test (record? ex3-i1) #f)
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(test (record-type-name point) 'point)
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(test (record-type-name cpoint2) 'cpoint2)
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(test (record-type-name ex1) 'ex1)
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(test (record-type-parent point) #f)
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(test (record-type-parent cpoint2) point)
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(test (record-type-uid point) 'point-4893d957-e00b-11d9-817f-00111175eb9e)
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(test/unspec (record-type-uid cpoint2))
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(test/unspec (record-type-uid ex1))
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(test (record-type-generative? point) #f)
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(test (record-type-generative? cpoint2) #t)
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(test (record-type-generative? ex1) #t)
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(test (record-type-sealed? point) #f)
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(test (record-type-sealed? ex3) #t)
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(test (record-type-opaque? point) #f)
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(test (record-type-opaque? ex3) #t)
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(test (record-type-field-names point) '#(x y))
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(test (record-type-field-names cpoint2) '#(rgb))
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(test (record-field-mutable? point 0) #f)
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(test (record-field-mutable? point 1) #t)
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(test (record-field-mutable? cpoint 0) #t)
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;;
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))
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