--- /dev/null
+<?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\Serializer\Tests\Mapping;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Serializer\Mapping\AttributeMetadata;
+
+/**
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class AttributeMetadataTest extends TestCase
+{
+ public function testInterface()
+ {
+ $attributeMetadata = new AttributeMetadata('name');
+ $this->assertInstanceOf('Symfony\Component\Serializer\Mapping\AttributeMetadataInterface', $attributeMetadata);
+ }
+
+ public function testGetName()
+ {
+ $attributeMetadata = new AttributeMetadata('name');
+ $this->assertEquals('name', $attributeMetadata->getName());
+ }
+
+ public function testGroups()
+ {
+ $attributeMetadata = new AttributeMetadata('group');
+ $attributeMetadata->addGroup('a');
+ $attributeMetadata->addGroup('a');
+ $attributeMetadata->addGroup('b');
+
+ $this->assertEquals(array('a', 'b'), $attributeMetadata->getGroups());
+ }
+
+ public function testMerge()
+ {
+ $attributeMetadata1 = new AttributeMetadata('a1');
+ $attributeMetadata1->addGroup('a');
+ $attributeMetadata1->addGroup('b');
+
+ $attributeMetadata2 = new AttributeMetadata('a2');
+ $attributeMetadata2->addGroup('a');
+ $attributeMetadata2->addGroup('c');
+
+ $attributeMetadata1->merge($attributeMetadata2);
+
+ $this->assertEquals(array('a', 'b', 'c'), $attributeMetadata1->getGroups());
+ }
+
+ public function testSerialize()
+ {
+ $attributeMetadata = new AttributeMetadata('attribute');
+ $attributeMetadata->addGroup('a');
+ $attributeMetadata->addGroup('b');
+
+ $serialized = serialize($attributeMetadata);
+ $this->assertEquals($attributeMetadata, unserialize($serialized));
+ }
+}