racket/collects/tests/r6rs/records/syntactic.ss

151 lines
4.0 KiB
Scheme

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