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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "ThreadGroup#enclose" do
before :each do
@chan1,@chan2 = Channel.new,Channel.new
@thread = Thread.new { @chan1 << :go; @chan2.receive }
@chan1.receive
end
after :each do
@chan2 << :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
lambda do
default_group.add(@thread)
end.should raise_error(ThreadError)
end
end
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