????????????????????????????

??????????????/?????????????????

............/...............

.........................../...

?????????????????????????????

>>>>>>>>>>>>>/>>>>>>>>>>>>>>>>>



ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %!1!%)+//.383,7(-.+


                                                                                                   

-%%-////---/-.+/--+------/------/--0+--/-/-----.-----ÿÀ  ¥
2
" 

ÿÄ  
 

            
ÿÄ J 
 	    
 ! 1AQ"aq2‘#BR‚¡ÁÑ3br’¢±Âð$CSƒ²á4c“%DsÓñÿÄ 

 

            
ÿÄ *
 
       
!1AQa‘"2q3±ð#b¡ÿÚ 
  ? ¼Q





xJQaÍuò¸Zö Úü8,Ð







Úú
"SSn<rçù–´
âE—^ªBÖ9À\†¸ÔÁT­ÃÛ5
ëd´³Í#Ý;Þ38œî ¶H£M:wÎ3…³…âpÔF&‚FK¸9„â4àGEõªfÿ ‘ñ(ßw­pŽF|È¥ù®häðÍѶ¹‘[ÒinÙW¶ùñY˜Q{›K"išÒ[Ú8žë\F¹@-?v"ÔU”,ìöžkÿ {I‡£šÍ?e
ríV
?>
.........................................
.............................................................................                                                  





<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

>>>>>>>>>>>>>/>>>>>>>>>>>>>>>>>>

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


















????????????????????????????

??????????????/?????????????????

............/...............

.........................../...

?????????????????????????????

>>>>>>>>>>>>>/>>>>>>>>>>>>>>>>>



ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %!1!%)+//.383,7(-.+


                                                                                                   

-%%-////---/-.+/--+------/------/--0+--/-/-----.-----ÿÀ  ¥
2
" 

ÿÄ  
 

            
ÿÄ J 
 	    
 ! 1AQ"aq2‘#BR‚¡ÁÑ3br’¢±Âð$CSƒ²á4c“%DsÓñÿÄ 

 

            
ÿÄ *
 
       
!1AQa‘"2q3±ð#b¡ÿÚ 
  ? ¼Q





xJQaÍuò¸Zö Úü8,Ð







Úú
"SSn<rçù–´
âE—^ªBÖ9À\†¸ÔÁT­ÃÛ5
ëd´³Í#Ý;Þ38œî ¶H£M:wÎ3…³…âpÔF&‚FK¸9„â4àGEõªfÿ ‘ñ(ßw­pŽF|È¥ù®häðÍѶ¹‘[ÒinÙW¶ùñY˜Q{›K"išÒ[Ú8žë\F¹@-?v"ÔU”,ìöžkÿ {I‡£šÍ?e
ríV
?>
.........................................
.............................................................................                                                  





<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

>>>>>>>>>>>>>/>>>>>>>>>>>>>>>>>>

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


















# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for L{twisted.internet.main}.
"""


from twisted.internet.error import ReactorAlreadyInstalledError
from twisted.internet.main import installReactor
from twisted.internet.test.modulehelpers import NoReactor
from twisted.trial import unittest


class InstallReactorTests(unittest.SynchronousTestCase):
    """
    Tests for L{installReactor}.
    """

    def test_installReactor(self) -> None:
        """
        L{installReactor} installs a new reactor if none is present.
        """
        with NoReactor():
            newReactor = object()
            installReactor(newReactor)
            from twisted.internet import reactor

            self.assertIs(newReactor, reactor)

    def test_alreadyInstalled(self) -> None:
        """
        If a reactor is already installed, L{installReactor} raises
        L{ReactorAlreadyInstalledError}.
        """
        with NoReactor():
            installReactor(object())
            self.assertRaises(ReactorAlreadyInstalledError, installReactor, object())

    def test_errorIsAnAssertionError(self) -> None:
        """
        For backwards compatibility, L{ReactorAlreadyInstalledError} is an
        L{AssertionError}.
        """
        self.assertTrue(issubclass(ReactorAlreadyInstalledError, AssertionError))