mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
50 lines
1.1 KiB
Ruby
50 lines
1.1 KiB
Ruby
describe :sizedqueue_enq, shared: true do
|
|
it "blocks if queued elements exceed size" do
|
|
q = @object.call(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 = @object.call(2)
|
|
|
|
non_blocking = true
|
|
add_to_queue = -> { 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
|
|
|
|
it "interrupts enqueuing threads with ClosedQueueError when the queue is closed" do
|
|
q = @object.call(1)
|
|
q << 1
|
|
|
|
t = Thread.new {
|
|
-> { q.send(@method, 2) }.should raise_error(ClosedQueueError)
|
|
}
|
|
|
|
Thread.pass until q.num_waiting == 1
|
|
|
|
q.close
|
|
|
|
t.join
|
|
q.pop.should == 1
|
|
end
|
|
end
|