Use ::class keyword when possible

Author: fabpot

Constraints/EmailValidator.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Validator\Constraints;
 
+use Egulias\EmailValidator\EmailValidator as EguliasEmailValidator;
 use Egulias\EmailValidator\Validation\EmailValidation;
 use Egulias\EmailValidator\Validation\NoRFCWarningsValidation;
 use Symfony\Component\Validator\Constraint;
@@ -107,11 +108,11 @@ public function validate($value, Constraint $constraint)
         }
 
         if (Email::VALIDATION_MODE_STRICT === $constraint->mode) {
-            if (!class_exists('\Egulias\EmailValidator\EmailValidator')) {
+            if (!class_exists(EguliasEmailValidator::class)) {
                 throw new LogicException('Strict email validation requires egulias/email-validator ~1.2|~2.0.');
             }
 
-            $strictValidator = new \Egulias\EmailValidator\EmailValidator();
+            $strictValidator = new EguliasEmailValidator();
 
             if (interface_exists(EmailValidation::class) && !$strictValidator->isValid($value, new NoRFCWarningsValidation())) {
                 $this->context->buildViolation($constraint->message)

Tests/Mapping/Loader/XmlFileLoaderTest.php

@@ -114,7 +114,7 @@ public function testThrowExceptionIfDocTypeIsSet()
         $loader = new XmlFileLoader(__DIR__.'/withdoctype.xml');
         $metadata = new ClassMetadata('Symfony\Component\Validator\Tests\Fixtures\Entity');
 
-        $this->expectException('\Symfony\Component\Validator\Exception\MappingException');
+        $this->expectException(MappingException::class);
         $loader->loadClassMetadata($metadata);
     }
 
@@ -129,7 +129,7 @@ public function testDoNotModifyStateIfExceptionIsThrown()
         try {
             $loader->loadClassMetadata($metadata);
         } catch (MappingException $e) {
-            $this->expectException('\Symfony\Component\Validator\Exception\MappingException');
+            $this->expectException(MappingException::class);
             $loader->loadClassMetadata($metadata);
         }
     }

Tests/Mapping/Loader/YamlFileLoaderTest.php

@@ -69,7 +69,7 @@ public function testDoNotModifyStateIfExceptionIsThrown()
             $loader->loadClassMetadata($metadata);
         } catch (\InvalidArgumentException $e) {
             // Call again. Again an exception should be thrown
-            $this->expectException('\InvalidArgumentException');
+            $this->expectException(\InvalidArgumentException::class);
             $loader->loadClassMetadata($metadata);
         }
     }
@@ -85,7 +85,7 @@ public function testLoadClassMetadataReturnsTrueIfSuccessful()
     public function testLoadClassMetadataReturnsFalseIfNotSuccessful()
     {
         $loader = new YamlFileLoader(__DIR__.'/constraint-mapping.yml');
-        $metadata = new ClassMetadata('\stdClass');
+        $metadata = new ClassMetadata(\stdClass::class);
 
         $this->assertFalse($loader->loadClassMetadata($metadata));
     }