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describe :queue_deq, shared: true do
it "removes an item from the Queue" do
q = @object.call
q << Object.new
q.size.should == 1
q.send(@method)
q.size.should == 0
end
it "returns items in the order they were added" do
q = @object.call
q << 1
q << 2
q.send(@method).should == 1
q.send(@method).should == 2
end
it "blocks the thread until there are items in the queue" do
q = @object.call
v = 0
th = Thread.new do
q.send(@method)
v = 1
end
v.should == 0
q << Object.new
th.join
v.should == 1
end
it "raises a ThreadError if Queue is empty" do
q = @object.call
lambda { q.send(@method,true) }.should raise_error(ThreadError)
end
end
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