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#lang zuo
(require "harness.zuo")
(alert "cleanables")
(define adios-file (build-path tmp-dir "adios.txt"))
(define (check-cleaned pre post expect-status expect-exist?)
(run-zuo* '("")
(~a "#lang zuo\n"
(~s
`(begin
,@pre
(define cl (cleanable-file ,adios-file))
,@post)))
(lambda (status out err)
(check status expect-status)))
(check (file-exists? adios-file) expect-exist?))
(fd-close (fd-open-output adios-file :truncate))
(check-cleaned '()
'()
0
#f)
(check-cleaned `((void (fd-open-output ,adios-file :truncate)))
'()
0
#f)
(check-cleaned `((void (fd-open-output ,adios-file :truncate)))
'((car '()))
1
#f)
(check-cleaned `((void (fd-open-output ,adios-file :truncate)))
'((cleanable-cancel cl))
0
#t)
;; check that a process doesn't exit before a subprocess,
;; even when it doesn't explicitly wait, or that it does exit
;; in no-wait mode
(define (check-sub no-wait?)
(define sub.zuo (build-path tmp-dir "sub.zuo"))
(define inner.zuo (build-path tmp-dir "inner.zuo"))
(let ([o (fd-open-output sub.zuo :truncate)])
(fd-write o (~a "#lang zuo\n"
(~s `(void (process (hash-ref (runtime-env) 'exe)
,inner.zuo
,(if no-wait?
'(hash 'cleanable? #f)
'(hash)))))))
(fd-close o))
(let ([o (fd-open-output inner.zuo :truncate)])
(fd-write o (~a "#lang zuo\n"
(~s `(let ([in (fd-open-input 'stdin)]
[out (fd-open-output 'stdout)])
(define s (fd-read in 1))
(fd-write out s)
(fd-read in 1)))))
(fd-close o))
(define p (process (hash-ref (runtime-env) 'exe)
sub.zuo
(hash 'stdin 'pipe 'stdout 'pipe)))
(define to (hash-ref p 'stdin))
(define from (hash-ref p 'stdout))
(cond
[no-wait? (process-wait (hash-ref p 'process))]
[else (check (process-status (hash-ref p 'process)) 'running)])
(fd-write to "x")
(check (fd-read from 1) "x")
(unless no-wait?
(check (process-status (hash-ref p 'process)) 'running))
(fd-write to "y")
(process-wait (hash-ref p 'process))
(check (process-status (hash-ref p 'process)) 0))
(check-sub #f)
(check-sub #f)
(check-sub #t)
(check-arg-fail (cleanable-file 10) not-path)
(check-arg-fail (cleanable-cancel 10) "cleanable handle")
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