Add support for variadic arguments in the GetSetNormalizer

src/Symfony/Component/Serializer/Normalizer/GetSetMethodNormalizer.php

@@ -136,11 +136,19 @@ class GetSetMethodNormalizer extends SerializerAwareNormalizer implements Normal
             foreach ($constructorParameters as $constructorParameter) {
                 $paramName = lcfirst($this->formatAttribute($constructorParameter->name));
 
-                if (isset($normalizedData[$paramName])) {
+                if (method_exists($constructorParameter, 'isVariadic') && $constructorParameter->isVariadic()) {
+                    if (isset($normalizedData[$paramName])) {
+                        if (!is_array($normalizedData[$paramName])) {
+                            throw new RuntimeException(sprintf('Cannot create an instance of %s from serialized data because the variadic parameter %s can only accept an array.', $class, $constructorParameter->name));
+                        }
+
+                        $params = array_merge($params, $normalizedData[$paramName]);
+                    }
+                } elseif (isset($normalizedData[$paramName])) {
                     $params[] = $normalizedData[$paramName];
                     // don't run set for a parameter passed to the constructor
                     unset($normalizedData[$paramName]);
-                } elseif ($constructorParameter->isOptional()) {
+                } elseif ($constructorParameter->isDefaultValueAvailable()) {
                     $params[] = $constructorParameter->getDefaultValue();
                 } else {
                     throw new RuntimeException(

src/Symfony/Component/Serializer/Tests/Fixtures/VariadicConstructorArgsDummy.php

@@ -0,0 +1,27 @@
+<?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\Fixtures;
+
+class VariadicConstructorArgsDummy
+{
+    private $foo;
+
+    public function __construct(...$foo)
+    {
+        $this->foo = $foo;
+    }
+
+    public function getFoo()
+    {
+        return $this->foo;
+    }
+}

src/Symfony/Component/Serializer/Tests/Normalizer/GetSetMethodNormalizerTest.php

@@ -117,6 +117,28 @@ class GetSetMethodNormalizerTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array(1, 2, 3), $obj->getBaz());
     }
 
+    /**
+     * @requires PHP 5.6
+     */
+    public function testConstructorDenormalizeWithVariadicArgument()
+    {
+        $obj = $this->normalizer->denormalize(
+            array('foo' => array(1, 2, 3)),
+            'Symfony\Component\Serializer\Tests\Fixtures\VariadicConstructorArgsDummy', 'any');
+        $this->assertEquals(array(1, 2, 3), $obj->getFoo());
+    }
+
+    /**
+     * @requires PHP 5.6
+     */
+    public function testConstructorDenormalizeWithMissingVariadicArgument()
+    {
+        $obj = $this->normalizer->denormalize(
+            array(),
+            'Symfony\Component\Serializer\Tests\Fixtures\VariadicConstructorArgsDummy', 'any');
+        $this->assertEquals(array(), $obj->getFoo());
+    }
+
     public function testConstructorWithObjectDenormalize()
     {
         $data = new \stdClass();