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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
24 lines
424 B
Ruby
24 lines
424 B
Ruby
require 'weakref'
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# From MRI test_weakref.rb
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class WeakRefSpec
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def self.make_weakref(level = 10)
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if level > 0
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make_weakref(level - 1)
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else
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WeakRef.new(Object.new)
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end
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end
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def self.make_dead_weakref
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weaks = []
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weak = nil
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10_000.times do
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weaks << make_weakref
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GC.start
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GC.start
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break if weak = weaks.find { |w| !w.weakref_alive? }
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end
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weak
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end
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end
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