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ruby--ruby/spec/ruby/library/thread/sizedqueue/shared/enque.rb
eregon 1d15d5f080 Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-20 20:18:52 +00:00

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Ruby

describe :sizedqueue_enq, shared: true do
it "blocks if queued elements exceed size" do
q = SizedQueue.new(1)
q.size.should == 0
q.send(@method, :first_element)
q.size.should == 1
blocked_thread = Thread.new { q.send(@method, :second_element) }
sleep 0.01 until blocked_thread.stop?
q.size.should == 1
q.pop.should == :first_element
blocked_thread.join
q.size.should == 1
q.pop.should == :second_element
q.size.should == 0
end
it "raises a ThreadError if queued elements exceed size when not blocking" do
q = SizedQueue.new(2)
non_blocking = true
add_to_queue = lambda { q.send(@method, Object.new, non_blocking) }
q.size.should == 0
add_to_queue.call
q.size.should == 1
add_to_queue.call
q.size.should == 2
add_to_queue.should raise_error(ThreadError)
end
end