Merge branch '2.3' into 2.6

* 2.3:
  Minor fixes
  Towards 100% HHVM compat
  trigger event with right user (add test)
  [Security] Initialize SwitchUserEvent::targetUser on attemptExitUser
  [Form] Fixed: Data mappers always receive forms indexed by their names

Conflicts:
	src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
	src/Symfony/Component/Filesystem/Filesystem.php
	src/Symfony/Component/Process/Tests/AbstractProcessTest.php

Author: nicolas-grekas

Http/Firewall/SwitchUserListener.php

@@ -165,7 +165,8 @@ private function attemptExitUser(Request $request)
         }
 
         if (null !== $this->dispatcher) {
-            $switchEvent = new SwitchUserEvent($request, $original->getUser());
+            $user = $this->provider->refreshUser($original->getUser());
+            $switchEvent = new SwitchUserEvent($request, $user);
             $this->dispatcher->dispatch(SecurityEvents::SWITCH_USER, $switchEvent);
         }
 

Http/Tests/Firewall/SwitchUserListenerTest.php

@@ -11,7 +11,9 @@
 
 namespace Symfony\Component\Security\Http\Tests\Firewall;
 
+use Symfony\Component\Security\Http\Event\SwitchUserEvent;
 use Symfony\Component\Security\Http\Firewall\SwitchUserListener;
+use Symfony\Component\Security\Http\SecurityEvents;
 
 class SwitchUserListenerTest extends \PHPUnit_Framework_TestCase
 {
@@ -100,6 +102,56 @@ public function testExitUserUpdatesToken()
         $listener->handle($this->event);
     }
 
+    public function testExitUserDispatchesEventWithRefreshedUser()
+    {
+        $originalUser = $this->getMock('Symfony\Component\Security\Core\User\UserInterface');
+        $refreshedUser = $this->getMock('Symfony\Component\Security\Core\User\UserInterface');
+        $this
+            ->userProvider
+            ->expects($this->any())
+            ->method('refreshUser')
+            ->with($originalUser)
+            ->willReturn($refreshedUser);
+        $originalToken = $this->getToken();
+        $originalToken
+            ->expects($this->any())
+            ->method('getUser')
+            ->willReturn($originalUser);
+        $role = $this
+            ->getMockBuilder('Symfony\Component\Security\Core\Role\SwitchUserRole')
+            ->disableOriginalConstructor()
+            ->getMock();
+        $role->expects($this->any())->method('getSource')->willReturn($originalToken);
+        $this
+            ->securityContext
+            ->expects($this->any())
+            ->method('getToken')
+            ->willReturn($this->getToken(array($role)));
+        $this
+            ->request
+            ->expects($this->any())
+            ->method('get')
+            ->with('_switch_user')
+            ->willReturn('_exit');
+        $this
+            ->request
+            ->expects($this->any())
+            ->method('getUri')
+            ->willReturn('/');
+
+        $dispatcher = $this->getMock('Symfony\Component\EventDispatcher\EventDispatcherInterface');
+        $dispatcher
+            ->expects($this->once())
+            ->method('dispatch')
+            ->with(SecurityEvents::SWITCH_USER, $this->callback(function (SwitchUserEvent $event) use ($refreshedUser) {
+                return $event->getTargetUser() === $refreshedUser;
+            }))
+        ;
+
+        $listener = new SwitchUserListener($this->securityContext, $this->userProvider, $this->userChecker, 'provider123', $this->accessDecisionManager, null, '_switch_user', 'ROLE_ALLOWED_TO_SWITCH', $dispatcher);
+        $listener->handle($this->event);
+    }
+
     /**
      * @expectedException \Symfony\Component\Security\Core\Exception\AccessDeniedException
      */