getDenormalizerForStringCollection example

$denormalizer = new AbstractObjectNormalizerCollectionDummy(null, null, $extractor);
        $arrayDenormalizer = new ArrayDenormalizerDummy();
        $serializer = new SerializerCollectionDummy([$arrayDenormalizer, $denormalizer]);
        $arrayDenormalizer->setSerializer($serializer);
        $denormalizer->setSerializer($serializer);

        return $denormalizer;
    }

    public function testDenormalizeStringCollectionDecodedFromXmlWithOneChild()
    {
        $denormalizer = $this->getDenormalizerForStringCollection();

        // if an xml-node can have children which should be deserialized as string[]         // and only one child exists         $stringCollection = $denormalizer->denormalize(['children' => 'foo'], StringCollection::class, 'xml');

        $this->assertInstanceOf(StringCollection::class, $stringCollection);
        $this->assertIsArray($stringCollection->children);
        $this->assertCount(1, $stringCollection->children);
        $this->assertEquals('foo', $stringCollection->children[0]);
    }