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test_weakref.rb: find collected weakref

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* test/test_weakref.rb (test_recycled): retry and find a WeakRef
  whose the target is collected, to fix circumstance dependent.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-01-10 09:42:31 +00:00
parent e85e95c409
commit b89a88f043
1 changed files with 8 additions and 3 deletions
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11
test/test_weakref.rb
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@ -19,9 +19,14 @@ class TestWeakRef < Test::Unit::TestCase
end
def test_recycled
weak = make_weakref
ObjectSpace.garbage_collect
ObjectSpace.garbage_collect
weaks = []
weak = nil
100.times do
weaks << make_weakref
ObjectSpace.garbage_collect
ObjectSpace.garbage_collect
break if weak = weaks.find {|w| !w.weakref_alive?}
end
assert_raise(WeakRef::RefError) {weak.to_s}
assert_not_predicate(weak, :weakref_alive?)
end