text: import salabim as sim
  import pytest
  
  
  def test_1(capsys):
      class X(sim.Component):
          def process(self):
              self.env.order.append(self)
  
      env = sim.Environment(trace=True)
      env.order = []
      x = [X(name="x.", process="") for _ in range(10)]
      x[0].activate()
      x[1].activate(at=10)
      x[2].activate(at=10, urgent=True)
      x[3].activate(delay=10)
      x[4].activate(at=10, urgent=True)
      x[5].activate(at=10)
      env.run()
      assert env.order == [x[0], x[4], x[2], x[1], x[3], x[5]]
      out, err = capsys.readouterr()
      assert "no events left" in out
  
  
  if __name__ == "__main__":
      pytest.main(["-vv", "-s", __file__])
  