shared_examples_for "AbstractServer" do
  it "should not crash if it's started and stopped multiple times" do
    3.times do
      # Give the server some time to install the
      # signal handlers. If we don't give it enough
      # time, it will raise an ugly exception when
      # we send it a signal.
      sleep 0.1
      @server.stop
      @server.start
    end
  end
  
  it "should raise a ServerAlreadyStarted if the server is already started" do
    lambda { @server.start }.should raise_error(AbstractServer::ServerAlreadyStarted)
  end
end