gistfile1.rb

  it "runs nested ensure clauses" do
    thread = ThreadSpecs.nested_dying_thread_ensures(@method) { ScratchPad.record :in_ensure_clause }
    thread.join
    ScratchPad.recorded.should == :in_ensure_clause
  end

   def self.nested_dying_thread_ensures(kill_method_name=:kill)
    o = Thread.new do
      begin
        t = Thread.new do
          begin
            sleep
          ensure
            yield
          end
        end
        Thread.current.send(kill_method_name)
      ensure
        t.kill
        t.join
      end
    end
  end