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require_relative '../../spec_helper'
describe "ThreadGroup#enclose" do
before :each do
@q1, @q2 = Queue.new, Queue.new
@thread = Thread.new { @q1 << :go; @q2.pop }
@q1.pop
end
after :each do
@q2 << :done
@thread.join
end
it "raises a ThreadError if attempting to move a Thread from an enclosed ThreadGroup" do
thread_group = ThreadGroup.new
default_group = @thread.group
thread_group.add(@thread)
thread_group.enclose
-> do
default_group.add(@thread)
end.should raise_error(ThreadError)
end
end
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