racket/collects/tests/stepper/shared-unit-tests.rkt
2012-06-19 23:51:59 -07:00

64 lines
2.8 KiB
Racket

#lang racket
(require rackunit
stepper/private/shared
stepper/private/syntax-property)
; test cases taken from shared.rkt
;
(define (lifted-name sym)
(syntax->datum (get-lifted-var sym)))
(define cd-stx
(datum->syntax #f 'cd))
(check-equal? (lifted-name (datum->syntax #f 'ab)) 'lifter-ab-0)
(check-equal? (lifted-name cd-stx) 'lifter-cd-1)
(check-equal? (lifted-name (datum->syntax #f 'ef)) 'lifter-ef-2)
(check-equal? (lifted-name cd-stx) 'lifter-cd-1)
(check-equal? (map syntax-e (arglist->ilist #'(a b c))) '(a b c))
(check-equal? (map syntax-e (arglist->ilist #'(a . (b c)))) '(a b c))
(check-equal? (syntax-e (arglist->ilist #'a)) 'a)
(let ([result (arglist->ilist #' (a b . c))])
(check-equal? (syntax-e (car result)) 'a)
(check-equal? (syntax-e (cadr result)) 'b)
(check-equal? (syntax-e (cddr result)) 'c))
(check-equal? (map syntax-e (arglist-flatten #'(a b c))) '(a b c))
(check-equal? (map syntax-e (arglist-flatten #'(a . (b c)))) '(a b c))
(check-equal? (map syntax-e (arglist-flatten #'(a b . c))) '(a b c))
(check-equal? (map syntax-e (arglist-flatten #'a)) '(a))
(define new-queue (make-queue))
(check-equal? (queue-push new-queue 1) (void))
(check-equal? (queue-push new-queue 2) (void))
(check-equal? (queue-pop new-queue) 1)
(check-equal? (queue-push new-queue 3) (void))
(check-equal? (queue-pop new-queue) 2)
(check-equal? (queue-pop new-queue) 3)
(check-exn exn:fail? (lambda () (queue-pop new-queue)))
(check-equal?
(call-with-values (lambda ()
(values-map (lambda (a b) (values (+ a b) (- a b)))
`(1 2 3 4 5)
`(9 8 7 6 5)))
(lambda (sums diffs)
(list sums diffs)))
`((10 10 10 10 10)
(-8 -6 -4 -2 0)))
(check-exn exn:fail? (lambda () (stepper-syntax-property #`13 'boozle)))
(check-exn exn:fail? (lambda () (stepper-syntax-property #`13 'boozle #t)))
(check-equal? (stepper-syntax-property #`13 'stepper-hint) #f)
(check-equal? (stepper-syntax-property (stepper-syntax-property #`13 'stepper-hint 'yes)
'stepper-hint) 'yes)
(check-equal?
(stepper-syntax-property (stepper-syntax-property (stepper-syntax-property #`13
'stepper-hint
'no)
'stepper-hint 'yes)
'stepper-hint)
'yes)
(check-equal? (stepper-syntax-property (stepper-syntax-property (stepper-syntax-property #`13 'stepper-hint 'yes) 'stepper-black-box-expr 'arg) 'stepper-hint) 'yes)
(check-equal? (syntax->datum (stepper-syntax-property (stepper-syntax-property #`13 'stepper-hint 'yes) 'stepper-black-box-expr 'arg)) 13)