public function testIsAliveReturnsFalseIfTheConnectionIsClosed()
 {
     $mock1 = new FullMockConnection();
     $mock1->setReturnValue("isAlive", false);
     $mock1->expectOnce("start");
     $mock1->expectNever("stop");
     $mock2 = new FullMockConnection();
     $mock2->setReturnValue("isAlive", true);
     $mock2->expectOnce("start");
     $mock2->expectOnce("stop");
     $multi = new Swift_Connection_Multi();
     $multi->addConnection($mock1, "mock1");
     $multi->addConnection($mock2, "mock2");
     $multi->start();
     $this->assertTrue($multi->isAlive());
     $multi->stop();
     $this->assertFalse($multi->isAlive());
 }