initial checking of customized version 1.0rc9

8 files changed, 1444 insertions, 0 deletions

diff --git a/vendor/symfony/event-dispatcher/Tests/AbstractEventDispatcherTest.php b/vendor/symfony/event-dispatcher/Tests/AbstractEventDispatcherTest.php
new file mode 100644
index 0000000..48de632
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/AbstractEventDispatcherTest.php
@@ -0,0 +1,398 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+abstract class AbstractEventDispatcherTest extends TestCase
+{
+    /* Some pseudo events */
+    const preFoo = 'pre.foo';
+    const postFoo = 'post.foo';
+    const preBar = 'pre.bar';
+    const postBar = 'post.bar';
+
+    /**
+     * @var EventDispatcher
+     */
+    private $dispatcher;
+
+    private $listener;
+
+    protected function setUp()
+    {
+        $this->dispatcher = $this->createEventDispatcher();
+        $this->listener = new TestEventListener();
+    }
+
+    protected function tearDown()
+    {
+        $this->dispatcher = null;
+        $this->listener = null;
+    }
+
+    abstract protected function createEventDispatcher();
+
+    public function testInitialState()
+    {
+        $this->assertEquals(array(), $this->dispatcher->getListeners());
+        $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
+    }
+
+    public function testAddListener()
+    {
+        $this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
+        $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
+        $this->assertTrue($this->dispatcher->hasListeners());
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
+        $this->assertCount(1, $this->dispatcher->getListeners(self::preFoo));
+        $this->assertCount(1, $this->dispatcher->getListeners(self::postFoo));
+        $this->assertCount(2, $this->dispatcher->getListeners());
+    }
+
+    public function testGetListenersSortsByPriority()
+    {
+        $listener1 = new TestEventListener();
+        $listener2 = new TestEventListener();
+        $listener3 = new TestEventListener();
+        $listener1->name = '1';
+        $listener2->name = '2';
+        $listener3->name = '3';
+
+        $this->dispatcher->addListener('pre.foo', array($listener1, 'preFoo'), -10);
+        $this->dispatcher->addListener('pre.foo', array($listener2, 'preFoo'), 10);
+        $this->dispatcher->addListener('pre.foo', array($listener3, 'preFoo'));
+
+        $expected = array(
+            array($listener2, 'preFoo'),
+            array($listener3, 'preFoo'),
+            array($listener1, 'preFoo'),
+        );
+
+        $this->assertSame($expected, $this->dispatcher->getListeners('pre.foo'));
+    }
+
+    public function testGetAllListenersSortsByPriority()
+    {
+        $listener1 = new TestEventListener();
+        $listener2 = new TestEventListener();
+        $listener3 = new TestEventListener();
+        $listener4 = new TestEventListener();
+        $listener5 = new TestEventListener();
+        $listener6 = new TestEventListener();
+
+        $this->dispatcher->addListener('pre.foo', $listener1, -10);
+        $this->dispatcher->addListener('pre.foo', $listener2);
+        $this->dispatcher->addListener('pre.foo', $listener3, 10);
+        $this->dispatcher->addListener('post.foo', $listener4, -10);
+        $this->dispatcher->addListener('post.foo', $listener5);
+        $this->dispatcher->addListener('post.foo', $listener6, 10);
+
+        $expected = array(
+            'pre.foo' => array($listener3, $listener2, $listener1),
+            'post.foo' => array($listener6, $listener5, $listener4),
+        );
+
+        $this->assertSame($expected, $this->dispatcher->getListeners());
+    }
+
+    public function testGetListenerPriority()
+    {
+        $listener1 = new TestEventListener();
+        $listener2 = new TestEventListener();
+
+        $this->dispatcher->addListener('pre.foo', $listener1, -10);
+        $this->dispatcher->addListener('pre.foo', $listener2);
+
+        $this->assertSame(-10, $this->dispatcher->getListenerPriority('pre.foo', $listener1));
+        $this->assertSame(0, $this->dispatcher->getListenerPriority('pre.foo', $listener2));
+        $this->assertNull($this->dispatcher->getListenerPriority('pre.bar', $listener2));
+        $this->assertNull($this->dispatcher->getListenerPriority('pre.foo', function () {}));
+    }
+
+    public function testDispatch()
+    {
+        $this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
+        $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
+        $this->dispatcher->dispatch(self::preFoo);
+        $this->assertTrue($this->listener->preFooInvoked);
+        $this->assertFalse($this->listener->postFooInvoked);
+        $this->assertInstanceOf('Symfony\Component\EventDispatcher\Event', $this->dispatcher->dispatch('noevent'));
+        $this->assertInstanceOf('Symfony\Component\EventDispatcher\Event', $this->dispatcher->dispatch(self::preFoo));
+        $event = new Event();
+        $return = $this->dispatcher->dispatch(self::preFoo, $event);
+        $this->assertSame($event, $return);
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testLegacyDispatch()
+    {
+        $event = new Event();
+        $this->dispatcher->dispatch(self::preFoo, $event);
+        $this->assertEquals('pre.foo', $event->getName());
+    }
+
+    public function testDispatchForClosure()
+    {
+        $invoked = 0;
+        $listener = function () use (&$invoked) {
+            ++$invoked;
+        };
+        $this->dispatcher->addListener('pre.foo', $listener);
+        $this->dispatcher->addListener('post.foo', $listener);
+        $this->dispatcher->dispatch(self::preFoo);
+        $this->assertEquals(1, $invoked);
+    }
+
+    public function testStopEventPropagation()
+    {
+        $otherListener = new TestEventListener();
+
+        // postFoo() stops the propagation, so only one listener should
+        // be executed
+        // Manually set priority to enforce $this->listener to be called first
+        $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'), 10);
+        $this->dispatcher->addListener('post.foo', array($otherListener, 'postFoo'));
+        $this->dispatcher->dispatch(self::postFoo);
+        $this->assertTrue($this->listener->postFooInvoked);
+        $this->assertFalse($otherListener->postFooInvoked);
+    }
+
+    public function testDispatchByPriority()
+    {
+        $invoked = array();
+        $listener1 = function () use (&$invoked) {
+            $invoked[] = '1';
+        };
+        $listener2 = function () use (&$invoked) {
+            $invoked[] = '2';
+        };
+        $listener3 = function () use (&$invoked) {
+            $invoked[] = '3';
+        };
+        $this->dispatcher->addListener('pre.foo', $listener1, -10);
+        $this->dispatcher->addListener('pre.foo', $listener2);
+        $this->dispatcher->addListener('pre.foo', $listener3, 10);
+        $this->dispatcher->dispatch(self::preFoo);
+        $this->assertEquals(array('3', '2', '1'), $invoked);
+    }
+
+    public function testRemoveListener()
+    {
+        $this->dispatcher->addListener('pre.bar', $this->listener);
+        $this->assertTrue($this->dispatcher->hasListeners(self::preBar));
+        $this->dispatcher->removeListener('pre.bar', $this->listener);
+        $this->assertFalse($this->dispatcher->hasListeners(self::preBar));
+        $this->dispatcher->removeListener('notExists', $this->listener);
+    }
+
+    public function testAddSubscriber()
+    {
+        $eventSubscriber = new TestEventSubscriber();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
+    }
+
+    public function testAddSubscriberWithPriorities()
+    {
+        $eventSubscriber = new TestEventSubscriber();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+
+        $eventSubscriber = new TestEventSubscriberWithPriorities();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+
+        $listeners = $this->dispatcher->getListeners('pre.foo');
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertCount(2, $listeners);
+        $this->assertInstanceOf('Symfony\Component\EventDispatcher\Tests\TestEventSubscriberWithPriorities', $listeners[0][0]);
+    }
+
+    public function testAddSubscriberWithMultipleListeners()
+    {
+        $eventSubscriber = new TestEventSubscriberWithMultipleListeners();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+
+        $listeners = $this->dispatcher->getListeners('pre.foo');
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertCount(2, $listeners);
+        $this->assertEquals('preFoo2', $listeners[0][1]);
+    }
+
+    public function testRemoveSubscriber()
+    {
+        $eventSubscriber = new TestEventSubscriber();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
+        $this->dispatcher->removeSubscriber($eventSubscriber);
+        $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
+    }
+
+    public function testRemoveSubscriberWithPriorities()
+    {
+        $eventSubscriber = new TestEventSubscriberWithPriorities();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->dispatcher->removeSubscriber($eventSubscriber);
+        $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
+    }
+
+    public function testRemoveSubscriberWithMultipleListeners()
+    {
+        $eventSubscriber = new TestEventSubscriberWithMultipleListeners();
+        $this->dispatcher->addSubscriber($eventSubscriber);
+        $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
+        $this->assertCount(2, $this->dispatcher->getListeners(self::preFoo));
+        $this->dispatcher->removeSubscriber($eventSubscriber);
+        $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testLegacyEventReceivesTheDispatcherInstance()
+    {
+        $dispatcher = null;
+        $this->dispatcher->addListener('test', function ($event) use (&$dispatcher) {
+            $dispatcher = $event->getDispatcher();
+        });
+        $this->dispatcher->dispatch('test');
+        $this->assertSame($this->dispatcher, $dispatcher);
+    }
+
+    public function testEventReceivesTheDispatcherInstanceAsArgument()
+    {
+        $listener = new TestWithDispatcher();
+        $this->dispatcher->addListener('test', array($listener, 'foo'));
+        $this->assertNull($listener->name);
+        $this->assertNull($listener->dispatcher);
+        $this->dispatcher->dispatch('test');
+        $this->assertEquals('test', $listener->name);
+        $this->assertSame($this->dispatcher, $listener->dispatcher);
+    }
+
+    /**
+     * @see https://bugs.php.net/bug.php?id=62976
+     *
+     * This bug affects:
+     *  - The PHP 5.3 branch for versions < 5.3.18
+     *  - The PHP 5.4 branch for versions < 5.4.8
+     *  - The PHP 5.5 branch is not affected
+     */
+    public function testWorkaroundForPhpBug62976()
+    {
+        $dispatcher = $this->createEventDispatcher();
+        $dispatcher->addListener('bug.62976', new CallableClass());
+        $dispatcher->removeListener('bug.62976', function () {});
+        $this->assertTrue($dispatcher->hasListeners('bug.62976'));
+    }
+
+    public function testHasListenersWhenAddedCallbackListenerIsRemoved()
+    {
+        $listener = function () {};
+        $this->dispatcher->addListener('foo', $listener);
+        $this->dispatcher->removeListener('foo', $listener);
+        $this->assertFalse($this->dispatcher->hasListeners());
+    }
+
+    public function testGetListenersWhenAddedCallbackListenerIsRemoved()
+    {
+        $listener = function () {};
+        $this->dispatcher->addListener('foo', $listener);
+        $this->dispatcher->removeListener('foo', $listener);
+        $this->assertSame(array(), $this->dispatcher->getListeners());
+    }
+
+    public function testHasListenersWithoutEventsReturnsFalseAfterHasListenersWithEventHasBeenCalled()
+    {
+        $this->assertFalse($this->dispatcher->hasListeners('foo'));
+        $this->assertFalse($this->dispatcher->hasListeners());
+    }
+}
+
+class CallableClass
+{
+    public function __invoke()
+    {
+    }
+}
+
+class TestEventListener
+{
+    public $preFooInvoked = false;
+    public $postFooInvoked = false;
+
+    /* Listener methods */
+
+    public function preFoo(Event $e)
+    {
+        $this->preFooInvoked = true;
+    }
+
+    public function postFoo(Event $e)
+    {
+        $this->postFooInvoked = true;
+
+        $e->stopPropagation();
+    }
+}
+
+class TestWithDispatcher
+{
+    public $name;
+    public $dispatcher;
+
+    public function foo(Event $e, $name, $dispatcher)
+    {
+        $this->name = $name;
+        $this->dispatcher = $dispatcher;
+    }
+}
+
+class TestEventSubscriber implements EventSubscriberInterface
+{
+    public static function getSubscribedEvents()
+    {
+        return array('pre.foo' => 'preFoo', 'post.foo' => 'postFoo');
+    }
+}
+
+class TestEventSubscriberWithPriorities implements EventSubscriberInterface
+{
+    public static function getSubscribedEvents()
+    {
+        return array(
+            'pre.foo' => array('preFoo', 10),
+            'post.foo' => array('postFoo'),
+        );
+    }
+}
+
+class TestEventSubscriberWithMultipleListeners implements EventSubscriberInterface
+{
+    public static function getSubscribedEvents()
+    {
+        return array('pre.foo' => array(
+            array('preFoo1'),
+            array('preFoo2', 10),
+        ));
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php b/vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php
new file mode 100644
index 0000000..224a292
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/ContainerAwareEventDispatcherTest.php
@@ -0,0 +1,277 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests;
+
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\Scope;
+use Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class ContainerAwareEventDispatcherTest extends AbstractEventDispatcherTest
+{
+    protected function createEventDispatcher()
+    {
+        $container = new Container();
+
+        return new ContainerAwareEventDispatcher($container);
+    }
+
+    public function testAddAListenerService()
+    {
+        $event = new Event();
+
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $service
+            ->expects($this->once())
+            ->method('onEvent')
+            ->with($event)
+        ;
+
+        $container = new Container();
+        $container->set('service.listener', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+
+        $dispatcher->dispatch('onEvent', $event);
+    }
+
+    public function testAddASubscriberService()
+    {
+        $event = new Event();
+
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\SubscriberService')->getMock();
+
+        $service
+            ->expects($this->once())
+            ->method('onEvent')
+            ->with($event)
+        ;
+
+        $service
+            ->expects($this->once())
+            ->method('onEventWithPriority')
+            ->with($event)
+        ;
+
+        $service
+            ->expects($this->once())
+            ->method('onEventNested')
+            ->with($event)
+        ;
+
+        $container = new Container();
+        $container->set('service.subscriber', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addSubscriberService('service.subscriber', 'Symfony\Component\EventDispatcher\Tests\SubscriberService');
+
+        $dispatcher->dispatch('onEvent', $event);
+        $dispatcher->dispatch('onEventWithPriority', $event);
+        $dispatcher->dispatch('onEventNested', $event);
+    }
+
+    public function testPreventDuplicateListenerService()
+    {
+        $event = new Event();
+
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $service
+            ->expects($this->once())
+            ->method('onEvent')
+            ->with($event)
+        ;
+
+        $container = new Container();
+        $container->set('service.listener', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'), 5);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'), 10);
+
+        $dispatcher->dispatch('onEvent', $event);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @group legacy
+     */
+    public function testTriggerAListenerServiceOutOfScope()
+    {
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $scope = new Scope('scope');
+        $container = new Container();
+        $container->addScope($scope);
+        $container->enterScope('scope');
+
+        $container->set('service.listener', $service, 'scope');
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+
+        $container->leaveScope('scope');
+        $dispatcher->dispatch('onEvent');
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testReEnteringAScope()
+    {
+        $event = new Event();
+
+        $service1 = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $service1
+            ->expects($this->exactly(2))
+            ->method('onEvent')
+            ->with($event)
+        ;
+
+        $scope = new Scope('scope');
+        $container = new Container();
+        $container->addScope($scope);
+        $container->enterScope('scope');
+
+        $container->set('service.listener', $service1, 'scope');
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+        $dispatcher->dispatch('onEvent', $event);
+
+        $service2 = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $service2
+            ->expects($this->once())
+            ->method('onEvent')
+            ->with($event)
+        ;
+
+        $container->enterScope('scope');
+        $container->set('service.listener', $service2, 'scope');
+
+        $dispatcher->dispatch('onEvent', $event);
+
+        $container->leaveScope('scope');
+
+        $dispatcher->dispatch('onEvent');
+    }
+
+    public function testHasListenersOnLazyLoad()
+    {
+        $event = new Event();
+
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $container = new Container();
+        $container->set('service.listener', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+
+        $event->setDispatcher($dispatcher);
+        $event->setName('onEvent');
+
+        $service
+            ->expects($this->once())
+            ->method('onEvent')
+            ->with($event)
+        ;
+
+        $this->assertTrue($dispatcher->hasListeners());
+
+        if ($dispatcher->hasListeners('onEvent')) {
+            $dispatcher->dispatch('onEvent');
+        }
+    }
+
+    public function testGetListenersOnLazyLoad()
+    {
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $container = new Container();
+        $container->set('service.listener', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+
+        $listeners = $dispatcher->getListeners();
+
+        $this->assertArrayHasKey('onEvent', $listeners);
+
+        $this->assertCount(1, $dispatcher->getListeners('onEvent'));
+    }
+
+    public function testRemoveAfterDispatch()
+    {
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $container = new Container();
+        $container->set('service.listener', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+
+        $dispatcher->dispatch('onEvent', new Event());
+        $dispatcher->removeListener('onEvent', array($container->get('service.listener'), 'onEvent'));
+        $this->assertFalse($dispatcher->hasListeners('onEvent'));
+    }
+
+    public function testRemoveBeforeDispatch()
+    {
+        $service = $this->getMockBuilder('Symfony\Component\EventDispatcher\Tests\Service')->getMock();
+
+        $container = new Container();
+        $container->set('service.listener', $service);
+
+        $dispatcher = new ContainerAwareEventDispatcher($container);
+        $dispatcher->addListenerService('onEvent', array('service.listener', 'onEvent'));
+
+        $dispatcher->removeListener('onEvent', array($container->get('service.listener'), 'onEvent'));
+        $this->assertFalse($dispatcher->hasListeners('onEvent'));
+    }
+}
+
+class Service
+{
+    public function onEvent(Event $e)
+    {
+    }
+}
+
+class SubscriberService implements EventSubscriberInterface
+{
+    public static function getSubscribedEvents()
+    {
+        return array(
+            'onEvent' => 'onEvent',
+            'onEventWithPriority' => array('onEventWithPriority', 10),
+            'onEventNested' => array(array('onEventNested')),
+        );
+    }
+
+    public function onEvent(Event $e)
+    {
+    }
+
+    public function onEventWithPriority(Event $e)
+    {
+    }
+
+    public function onEventNested(Event $e)
+    {
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/Debug/TraceableEventDispatcherTest.php b/vendor/symfony/event-dispatcher/Tests/Debug/TraceableEventDispatcherTest.php
new file mode 100644
index 0000000..ffdda38
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/Debug/TraceableEventDispatcherTest.php
@@ -0,0 +1,254 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests\Debug;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher;
+use Symfony\Component\EventDispatcher\Debug\WrappedListener;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\Stopwatch\Stopwatch;
+
+class TraceableEventDispatcherTest extends TestCase
+{
+    public function testAddRemoveListener()
+    {
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+        $tdispatcher->addListener('foo', $listener = function () {});
+        $listeners = $dispatcher->getListeners('foo');
+        $this->assertCount(1, $listeners);
+        $this->assertSame($listener, $listeners[0]);
+
+        $tdispatcher->removeListener('foo', $listener);
+        $this->assertCount(0, $dispatcher->getListeners('foo'));
+    }
+
+    public function testGetListeners()
+    {
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+        $tdispatcher->addListener('foo', $listener = function () {});
+        $this->assertSame($dispatcher->getListeners('foo'), $tdispatcher->getListeners('foo'));
+    }
+
+    public function testHasListeners()
+    {
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+        $this->assertFalse($dispatcher->hasListeners('foo'));
+        $this->assertFalse($tdispatcher->hasListeners('foo'));
+
+        $tdispatcher->addListener('foo', $listener = function () {});
+        $this->assertTrue($dispatcher->hasListeners('foo'));
+        $this->assertTrue($tdispatcher->hasListeners('foo'));
+    }
+
+    public function testGetListenerPriority()
+    {
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+        $tdispatcher->addListener('foo', function () {}, 123);
+
+        $listeners = $dispatcher->getListeners('foo');
+        $this->assertSame(123, $tdispatcher->getListenerPriority('foo', $listeners[0]));
+
+        // Verify that priority is preserved when listener is removed and re-added
+        // in preProcess() and postProcess().
+        $tdispatcher->dispatch('foo', new Event());
+        $listeners = $dispatcher->getListeners('foo');
+        $this->assertSame(123, $tdispatcher->getListenerPriority('foo', $listeners[0]));
+    }
+
+    public function testGetListenerPriorityReturnsZeroWhenWrappedMethodDoesNotExist()
+    {
+        $dispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
+        $traceableEventDispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+        $traceableEventDispatcher->addListener('foo', function () {}, 123);
+        $listeners = $traceableEventDispatcher->getListeners('foo');
+
+        $this->assertSame(0, $traceableEventDispatcher->getListenerPriority('foo', $listeners[0]));
+    }
+
+    public function testAddRemoveSubscriber()
+    {
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+
+        $subscriber = new EventSubscriber();
+
+        $tdispatcher->addSubscriber($subscriber);
+        $listeners = $dispatcher->getListeners('foo');
+        $this->assertCount(1, $listeners);
+        $this->assertSame(array($subscriber, 'call'), $listeners[0]);
+
+        $tdispatcher->removeSubscriber($subscriber);
+        $this->assertCount(0, $dispatcher->getListeners('foo'));
+    }
+
+    /**
+     * @dataProvider isWrappedDataProvider
+     *
+     * @param bool $isWrapped
+     */
+    public function testGetCalledListeners($isWrapped)
+    {
+        $dispatcher = new EventDispatcher();
+        $stopWatch = new Stopwatch();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, $stopWatch);
+
+        $listener = function () {};
+        if ($isWrapped) {
+            $listener = new WrappedListener($listener, 'foo', $stopWatch, $dispatcher);
+        }
+
+        $tdispatcher->addListener('foo', $listener, 5);
+
+        $this->assertEquals(array(), $tdispatcher->getCalledListeners());
+        $this->assertEquals(array('foo.closure' => array('event' => 'foo', 'type' => 'Closure', 'pretty' => 'closure', 'priority' => 5)), $tdispatcher->getNotCalledListeners());
+
+        $tdispatcher->dispatch('foo');
+
+        $this->assertEquals(array('foo.closure' => array('event' => 'foo', 'type' => 'Closure', 'pretty' => 'closure', 'priority' => 5)), $tdispatcher->getCalledListeners());
+        $this->assertEquals(array(), $tdispatcher->getNotCalledListeners());
+    }
+
+    public function isWrappedDataProvider()
+    {
+        return array(
+            array(false),
+            array(true),
+        );
+    }
+
+    public function testGetCalledListenersNested()
+    {
+        $tdispatcher = null;
+        $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+        $dispatcher->addListener('foo', function (Event $event, $eventName, $dispatcher) use (&$tdispatcher) {
+            $tdispatcher = $dispatcher;
+            $dispatcher->dispatch('bar');
+        });
+        $dispatcher->addListener('bar', function (Event $event) {});
+        $dispatcher->dispatch('foo');
+        $this->assertSame($dispatcher, $tdispatcher);
+        $this->assertCount(2, $dispatcher->getCalledListeners());
+    }
+
+    public function testLogger()
+    {
+        $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
+
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch(), $logger);
+        $tdispatcher->addListener('foo', $listener1 = function () {});
+        $tdispatcher->addListener('foo', $listener2 = function () {});
+
+        $logger->expects($this->at(0))->method('debug')->with('Notified event "foo" to listener "closure".');
+        $logger->expects($this->at(1))->method('debug')->with('Notified event "foo" to listener "closure".');
+
+        $tdispatcher->dispatch('foo');
+    }
+
+    public function testLoggerWithStoppedEvent()
+    {
+        $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
+
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch(), $logger);
+        $tdispatcher->addListener('foo', $listener1 = function (Event $event) { $event->stopPropagation(); });
+        $tdispatcher->addListener('foo', $listener2 = function () {});
+
+        $logger->expects($this->at(0))->method('debug')->with('Notified event "foo" to listener "closure".');
+        $logger->expects($this->at(1))->method('debug')->with('Listener "closure" stopped propagation of the event "foo".');
+        $logger->expects($this->at(2))->method('debug')->with('Listener "closure" was not called for event "foo".');
+
+        $tdispatcher->dispatch('foo');
+    }
+
+    public function testDispatchCallListeners()
+    {
+        $called = array();
+
+        $dispatcher = new EventDispatcher();
+        $tdispatcher = new TraceableEventDispatcher($dispatcher, new Stopwatch());
+        $tdispatcher->addListener('foo', function () use (&$called) { $called[] = 'foo1'; }, 10);
+        $tdispatcher->addListener('foo', function () use (&$called) { $called[] = 'foo2'; }, 20);
+
+        $tdispatcher->dispatch('foo');
+
+        $this->assertSame(array('foo2', 'foo1'), $called);
+    }
+
+    public function testDispatchNested()
+    {
+        $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+        $loop = 1;
+        $dispatchedEvents = 0;
+        $dispatcher->addListener('foo', $listener1 = function () use ($dispatcher, &$loop) {
+            ++$loop;
+            if (2 == $loop) {
+                $dispatcher->dispatch('foo');
+            }
+        });
+        $dispatcher->addListener('foo', function () use (&$dispatchedEvents) {
+            ++$dispatchedEvents;
+        });
+
+        $dispatcher->dispatch('foo');
+
+        $this->assertSame(2, $dispatchedEvents);
+    }
+
+    public function testDispatchReusedEventNested()
+    {
+        $nestedCall = false;
+        $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+        $dispatcher->addListener('foo', function (Event $e) use ($dispatcher) {
+            $dispatcher->dispatch('bar', $e);
+        });
+        $dispatcher->addListener('bar', function (Event $e) use (&$nestedCall) {
+            $nestedCall = true;
+        });
+
+        $this->assertFalse($nestedCall);
+        $dispatcher->dispatch('foo');
+        $this->assertTrue($nestedCall);
+    }
+
+    public function testListenerCanRemoveItselfWhenExecuted()
+    {
+        $eventDispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+        $listener1 = function ($event, $eventName, EventDispatcherInterface $dispatcher) use (&$listener1) {
+            $dispatcher->removeListener('foo', $listener1);
+        };
+        $eventDispatcher->addListener('foo', $listener1);
+        $eventDispatcher->addListener('foo', function () {});
+        $eventDispatcher->dispatch('foo');
+
+        $this->assertCount(1, $eventDispatcher->getListeners('foo'), 'expected listener1 to be removed');
+    }
+}
+
+class EventSubscriber implements EventSubscriberInterface
+{
+    public static function getSubscribedEvents()
+    {
+        return array('foo' => 'call');
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php b/vendor/symfony/event-dispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php
new file mode 100644
index 0000000..7490d0d
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php
@@ -0,0 +1,154 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests\DependencyInjection;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass;
+
+class RegisterListenersPassTest extends TestCase
+{
+    /**
+     * Tests that event subscribers not implementing EventSubscriberInterface
+     * trigger an exception.
+     *
+     * @expectedException \InvalidArgumentException
+     */
+    public function testEventSubscriberWithoutInterface()
+    {
+        $builder = new ContainerBuilder();
+        $builder->register('event_dispatcher');
+        $builder->register('my_event_subscriber', 'stdClass')
+            ->addTag('kernel.event_subscriber');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($builder);
+    }
+
+    public function testValidEventSubscriber()
+    {
+        $services = array(
+            'my_event_subscriber' => array(0 => array()),
+        );
+
+        $builder = new ContainerBuilder();
+        $eventDispatcherDefinition = $builder->register('event_dispatcher');
+        $builder->register('my_event_subscriber', 'Symfony\Component\EventDispatcher\Tests\DependencyInjection\SubscriberService')
+            ->addTag('kernel.event_subscriber');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($builder);
+
+        $this->assertEquals(array(array('addSubscriberService', array('my_event_subscriber', 'Symfony\Component\EventDispatcher\Tests\DependencyInjection\SubscriberService'))), $eventDispatcherDefinition->getMethodCalls());
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage The service "foo" must be public as event listeners are lazy-loaded.
+     */
+    public function testPrivateEventListener()
+    {
+        $container = new ContainerBuilder();
+        $container->register('foo', 'stdClass')->setPublic(false)->addTag('kernel.event_listener', array());
+        $container->register('event_dispatcher', 'stdClass');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($container);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage The service "foo" must be public as event subscribers are lazy-loaded.
+     */
+    public function testPrivateEventSubscriber()
+    {
+        $container = new ContainerBuilder();
+        $container->register('foo', 'stdClass')->setPublic(false)->addTag('kernel.event_subscriber', array());
+        $container->register('event_dispatcher', 'stdClass');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($container);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage The service "foo" must not be abstract as event listeners are lazy-loaded.
+     */
+    public function testAbstractEventListener()
+    {
+        $container = new ContainerBuilder();
+        $container->register('foo', 'stdClass')->setAbstract(true)->addTag('kernel.event_listener', array());
+        $container->register('event_dispatcher', 'stdClass');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($container);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage The service "foo" must not be abstract as event subscribers are lazy-loaded.
+     */
+    public function testAbstractEventSubscriber()
+    {
+        $container = new ContainerBuilder();
+        $container->register('foo', 'stdClass')->setAbstract(true)->addTag('kernel.event_subscriber', array());
+        $container->register('event_dispatcher', 'stdClass');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($container);
+    }
+
+    public function testEventSubscriberResolvableClassName()
+    {
+        $container = new ContainerBuilder();
+
+        $container->setParameter('subscriber.class', 'Symfony\Component\EventDispatcher\Tests\DependencyInjection\SubscriberService');
+        $container->register('foo', '%subscriber.class%')->addTag('kernel.event_subscriber', array());
+        $container->register('event_dispatcher', 'stdClass');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($container);
+
+        $definition = $container->getDefinition('event_dispatcher');
+        $expected_calls = array(
+            array(
+                'addSubscriberService',
+                array(
+                    'foo',
+                    'Symfony\Component\EventDispatcher\Tests\DependencyInjection\SubscriberService',
+                ),
+            ),
+        );
+        $this->assertSame($expected_calls, $definition->getMethodCalls());
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage You have requested a non-existent parameter "subscriber.class"
+     */
+    public function testEventSubscriberUnresolvableClassName()
+    {
+        $container = new ContainerBuilder();
+        $container->register('foo', '%subscriber.class%')->addTag('kernel.event_subscriber', array());
+        $container->register('event_dispatcher', 'stdClass');
+
+        $registerListenersPass = new RegisterListenersPass();
+        $registerListenersPass->process($container);
+    }
+}
+
+class SubscriberService implements \Symfony\Component\EventDispatcher\EventSubscriberInterface
+{
+    public static function getSubscribedEvents()
+    {
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/EventDispatcherTest.php b/vendor/symfony/event-dispatcher/Tests/EventDispatcherTest.php
new file mode 100644
index 0000000..5faa5c8
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/EventDispatcherTest.php
@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests;
+
+use Symfony\Component\EventDispatcher\EventDispatcher;
+
+class EventDispatcherTest extends AbstractEventDispatcherTest
+{
+    protected function createEventDispatcher()
+    {
+        return new EventDispatcher();
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/EventTest.php b/vendor/symfony/event-dispatcher/Tests/EventTest.php
new file mode 100644
index 0000000..bdc14ab
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/EventTest.php
@@ -0,0 +1,97 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+
+/**
+ * Test class for Event.
+ */
+class EventTest extends TestCase
+{
+    /**
+     * @var \Symfony\Component\EventDispatcher\Event
+     */
+    protected $event;
+
+    /**
+     * @var \Symfony\Component\EventDispatcher\EventDispatcher
+     */
+    protected $dispatcher;
+
+    /**
+     * Sets up the fixture, for example, opens a network connection.
+     * This method is called before a test is executed.
+     */
+    protected function setUp()
+    {
+        $this->event = new Event();
+        $this->dispatcher = new EventDispatcher();
+    }
+
+    /**
+     * Tears down the fixture, for example, closes a network connection.
+     * This method is called after a test is executed.
+     */
+    protected function tearDown()
+    {
+        $this->event = null;
+        $this->dispatcher = null;
+    }
+
+    public function testIsPropagationStopped()
+    {
+        $this->assertFalse($this->event->isPropagationStopped());
+    }
+
+    public function testStopPropagationAndIsPropagationStopped()
+    {
+        $this->event->stopPropagation();
+        $this->assertTrue($this->event->isPropagationStopped());
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testLegacySetDispatcher()
+    {
+        $this->event->setDispatcher($this->dispatcher);
+        $this->assertSame($this->dispatcher, $this->event->getDispatcher());
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testLegacyGetDispatcher()
+    {
+        $this->assertNull($this->event->getDispatcher());
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testLegacyGetName()
+    {
+        $this->assertNull($this->event->getName());
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testLegacySetName()
+    {
+        $this->event->setName('foo');
+        $this->assertEquals('foo', $this->event->getName());
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/GenericEventTest.php b/vendor/symfony/event-dispatcher/Tests/GenericEventTest.php
new file mode 100644
index 0000000..b63f69d
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/GenericEventTest.php
@@ -0,0 +1,136 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\GenericEvent;
+
+/**
+ * Test class for Event.
+ */
+class GenericEventTest extends TestCase
+{
+    /**
+     * @var GenericEvent
+     */
+    private $event;
+
+    private $subject;
+
+    /**
+     * Prepares the environment before running a test.
+     */
+    protected function setUp()
+    {
+        $this->subject = new \stdClass();
+        $this->event = new GenericEvent($this->subject, array('name' => 'Event'));
+    }
+
+    /**
+     * Cleans up the environment after running a test.
+     */
+    protected function tearDown()
+    {
+        $this->subject = null;
+        $this->event = null;
+    }
+
+    public function testConstruct()
+    {
+        $this->assertEquals($this->event, new GenericEvent($this->subject, array('name' => 'Event')));
+    }
+
+    /**
+     * Tests Event->getArgs().
+     */
+    public function testGetArguments()
+    {
+        // test getting all
+        $this->assertSame(array('name' => 'Event'), $this->event->getArguments());
+    }
+
+    public function testSetArguments()
+    {
+        $result = $this->event->setArguments(array('foo' => 'bar'));
+        $this->assertAttributeSame(array('foo' => 'bar'), 'arguments', $this->event);
+        $this->assertSame($this->event, $result);
+    }
+
+    public function testSetArgument()
+    {
+        $result = $this->event->setArgument('foo2', 'bar2');
+        $this->assertAttributeSame(array('name' => 'Event', 'foo2' => 'bar2'), 'arguments', $this->event);
+        $this->assertEquals($this->event, $result);
+    }
+
+    public function testGetArgument()
+    {
+        // test getting key
+        $this->assertEquals('Event', $this->event->getArgument('name'));
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testGetArgException()
+    {
+        $this->event->getArgument('nameNotExist');
+    }
+
+    public function testOffsetGet()
+    {
+        // test getting key
+        $this->assertEquals('Event', $this->event['name']);
+
+        // test getting invalid arg
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('InvalidArgumentException');
+        $this->assertFalse($this->event['nameNotExist']);
+    }
+
+    public function testOffsetSet()
+    {
+        $this->event['foo2'] = 'bar2';
+        $this->assertAttributeSame(array('name' => 'Event', 'foo2' => 'bar2'), 'arguments', $this->event);
+    }
+
+    public function testOffsetUnset()
+    {
+        unset($this->event['name']);
+        $this->assertAttributeSame(array(), 'arguments', $this->event);
+    }
+
+    public function testOffsetIsset()
+    {
+        $this->assertArrayHasKey('name', $this->event);
+        $this->assertArrayNotHasKey('nameNotExist', $this->event);
+    }
+
+    public function testHasArgument()
+    {
+        $this->assertTrue($this->event->hasArgument('name'));
+        $this->assertFalse($this->event->hasArgument('nameNotExist'));
+    }
+
+    public function testGetSubject()
+    {
+        $this->assertSame($this->subject, $this->event->getSubject());
+    }
+
+    public function testHasIterator()
+    {
+        $data = array();
+        foreach ($this->event as $key => $value) {
+            $data[$key] = $value;
+        }
+        $this->assertEquals(array('name' => 'Event'), $data);
+    }
+}
diff --git a/vendor/symfony/event-dispatcher/Tests/ImmutableEventDispatcherTest.php b/vendor/symfony/event-dispatcher/Tests/ImmutableEventDispatcherTest.php
new file mode 100644
index 0000000..04f2861
--- /dev/null
+++ b/vendor/symfony/event-dispatcher/Tests/ImmutableEventDispatcherTest.php
@@ -0,0 +1,106 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\EventDispatcher\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\ImmutableEventDispatcher;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class ImmutableEventDispatcherTest extends TestCase
+{
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $innerDispatcher;
+
+    /**
+     * @var ImmutableEventDispatcher
+     */
+    private $dispatcher;
+
+    protected function setUp()
+    {
+        $this->innerDispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
+        $this->dispatcher = new ImmutableEventDispatcher($this->innerDispatcher);
+    }
+
+    public function testDispatchDelegates()
+    {
+        $event = new Event();
+
+        $this->innerDispatcher->expects($this->once())
+            ->method('dispatch')
+            ->with('event', $event)
+            ->will($this->returnValue('result'));
+
+        $this->assertSame('result', $this->dispatcher->dispatch('event', $event));
+    }
+
+    public function testGetListenersDelegates()
+    {
+        $this->innerDispatcher->expects($this->once())
+            ->method('getListeners')
+            ->with('event')
+            ->will($this->returnValue('result'));
+
+        $this->assertSame('result', $this->dispatcher->getListeners('event'));
+    }
+
+    public function testHasListenersDelegates()
+    {
+        $this->innerDispatcher->expects($this->once())
+            ->method('hasListeners')
+            ->with('event')
+            ->will($this->returnValue('result'));
+
+        $this->assertSame('result', $this->dispatcher->hasListeners('event'));
+    }
+
+    /**
+     * @expectedException \BadMethodCallException
+     */
+    public function testAddListenerDisallowed()
+    {
+        $this->dispatcher->addListener('event', function () { return 'foo'; });
+    }
+
+    /**
+     * @expectedException \BadMethodCallException
+     */
+    public function testAddSubscriberDisallowed()
+    {
+        $subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
+
+        $this->dispatcher->addSubscriber($subscriber);
+    }
+
+    /**
+     * @expectedException \BadMethodCallException
+     */
+    public function testRemoveListenerDisallowed()
+    {
+        $this->dispatcher->removeListener('event', function () { return 'foo'; });
+    }
+
+    /**
+     * @expectedException \BadMethodCallException
+     */
+    public function testRemoveSubscriberDisallowed()
+    {
+        $subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
+
+        $this->dispatcher->removeSubscriber($subscriber);
+    }
+}