Use ::class keyword when possible

Author: fabpot

Tests/GenericEventTest.php

@@ -80,7 +80,7 @@ public function testGetArgument()
 
     public function testGetArgException()
     {
-        $this->expectException('\InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->event->getArgument('nameNotExist');
     }
 
@@ -90,7 +90,7 @@ public function testOffsetGet()
         $this->assertEquals('Event', $this->event['name']);
 
         // test getting invalid arg
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->assertFalse($this->event['nameNotExist']);
     }
 

Tests/ImmutableEventDispatcherTest.php

@@ -72,27 +72,27 @@ public function testHasListenersDelegates()
 
     public function testAddListenerDisallowed()
     {
-        $this->expectException('\BadMethodCallException');
+        $this->expectException(\BadMethodCallException::class);
         $this->dispatcher->addListener('event', function () { return 'foo'; });
     }
 
     public function testAddSubscriberDisallowed()
     {
-        $this->expectException('\BadMethodCallException');
+        $this->expectException(\BadMethodCallException::class);
         $subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
 
         $this->dispatcher->addSubscriber($subscriber);
     }
 
     public function testRemoveListenerDisallowed()
     {
-        $this->expectException('\BadMethodCallException');
+        $this->expectException(\BadMethodCallException::class);
         $this->dispatcher->removeListener('event', function () { return 'foo'; });
     }
 
     public function testRemoveSubscriberDisallowed()
     {
-        $this->expectException('\BadMethodCallException');
+        $this->expectException(\BadMethodCallException::class);
         $subscriber = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventSubscriberInterface')->getMock();
 
         $this->dispatcher->removeSubscriber($subscriber);