Symfony\Bundle\FrameworkBundle\HttpKernel::handle PHP Method

    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
    {
        $this->container->enterScope('request');
        $this->container->set('request', $request, 'request');

        try {
            $response = parent::handle($request, $type, $catch);
        } catch (\Exception $e) {
            $this->container->leaveScope('request');

            throw $e;
        }

        $this->container->leaveScope('request');

        return $response;
    }

 /**
  * @dataProvider getProviderTypes
  */
 public function testHandleRestoresThePreviousRequestOnException($type)
 {
     $request = new Request();
     $expected = new \Exception();
     $container = $this->getMock('Symfony\\Component\\DependencyInjection\\ContainerInterface');
     $container->expects($this->once())->method('enterScope')->with($this->equalTo('request'));
     $container->expects($this->once())->method('leaveScope')->with($this->equalTo('request'));
     $container->expects($this->once())->method('set')->with($this->equalTo('request'), $this->equalTo($request), $this->equalTo('request'));
     $dispatcher = new EventDispatcher();
     $resolver = $this->getMock('Symfony\\Component\\HttpKernel\\Controller\\ControllerResolverInterface');
     $kernel = new HttpKernel($dispatcher, $container, $resolver);
     $controller = function () use($expected) {
         throw $expected;
     };
     $resolver->expects($this->once())->method('getController')->with($request)->will($this->returnValue($controller));
     $resolver->expects($this->once())->method('getArguments')->with($request, $controller)->will($this->returnValue(array()));
     try {
         $kernel->handle($request, $type);
         $this->fail('->handle() suppresses the controller exception');
     } catch (\Exception $actual) {
         $this->assertSame($expected, $actual, '->handle() throws the controller exception');
     }
 }