20 lines
570 B
Racket
20 lines
570 B
Racket
#lang racket
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;; Check for a leak via multiple `racket/draw' instantiations.
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(define-values (incs m)
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(for/fold ([incs 0] [prev-mem 0]) ([i 10])
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(parameterize ([current-namespace (make-base-namespace)])
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(dynamic-require 'racket/draw #f))
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(collect-garbage)
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(sync (system-idle-evt))
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(collect-garbage)
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(let ([m (current-memory-use)])
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(if (m . > . (+ prev-mem (* 100 1024)))
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(values (add1 incs) m)
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(values incs m)))))
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(unless (incs . < . 5)
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(error "multiple `racket/draw' instantiations seem to accumulate memory"))
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