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fix another way that `racket/gui' instances can leak

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original commit: 745c4b64703cf5fb47e44781b1aac6af41e04fd8
This commit is contained in:
Matthew Flatt 2011-12-02 14:51:29 -07:00
parent 13219382f5
commit 3d08118a1d
1 changed files with 11 additions and 6 deletions
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17
collects/tests/gracket/draw-mem.rkt
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@ -2,17 +2,22 @@
;; Check for a leak via multiple `racket/draw' instantiations.
(define-values (incs m)
(for/fold ([incs 0] [prev-mem 0]) ([i 10])
(parameterize ([current-namespace (make-base-namespace)])
(define my-ns-channel (make-parameter #f))
(define-values (incs m ns)
(for/fold ([incs 0] [max-mem 0] [ns #f]) ([i 10])
(define ns (make-base-namespace))
(parameterize ([current-namespace ns]
[my-ns-channel ns])
(dynamic-require 'racket/draw #f))
(collect-garbage)
(sync (system-idle-evt))
(collect-garbage)
(let ([m (current-memory-use)])
(if (m . > . (+ prev-mem (* 100 1024)))
(values (add1 incs) m)
(values incs m)))))
(printf "~s\n" m)
(if (m . > . max-mem)
(values (add1 incs) m 'ns)
(values incs max-mem 'ns)))))
(unless (incs . < . 5)
(error "multiple `racket/draw' instantiations seem to accumulate memory"))