Add enum array mapping test

tests/Doctrine/Tests/Models/Enums/Scale.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\Enums;
+
+use Doctrine\ORM\Mapping\ClassMetadataInfo;
+use Doctrine\ORM\Mapping\Column;
+use Doctrine\ORM\Mapping\Entity;
+use Doctrine\ORM\Mapping\GeneratedValue;
+use Doctrine\ORM\Mapping\Id;
+
+/** @Entity */
+#[Entity]
+class Scale
+{
+    /**
+     * @Id @GeneratedValue @Column(type="integer")
+     * @var int
+     */
+    #[Id, GeneratedValue, Column(type: 'integer')]
+    public $id;
+
+    /**
+     * @Column(type="simple_array", enumType=Unit::class)
+     * @var Unit
+     */
+    #[Column(type: 'simple_array', enumType: Unit::class)]
+    public $supportedUnits;
+
+    public static function loadMetadata(ClassMetadataInfo $metadata): void
+    {
+        $metadata->mapField(
+            [
+                'id' => true,
+                'fieldName' => 'id',
+                'type' => 'integer',
+            ]
+        );
+        $metadata->mapField(
+            [
+                'fieldName' => 'supportedUnits',
+                'type' => 'simple_array',
+                'enumType' => Unit::class,
+            ]
+        );
+    }
+}

tests/Doctrine/Tests/ORM/Functional/EnumTest.php

@@ -11,6 +11,7 @@
 use Doctrine\Tests\Models\Enums\Card;
 use Doctrine\Tests\Models\Enums\Product;
 use Doctrine\Tests\Models\Enums\Quantity;
+use Doctrine\Tests\Models\Enums\Scale;
 use Doctrine\Tests\Models\Enums\Suit;
 use Doctrine\Tests\Models\Enums\TypedCard;
 use Doctrine\Tests\Models\Enums\Unit;
@@ -135,4 +136,22 @@ public function testEnumMappingWithEmbeddable(): void
         $this->assertInstanceOf(Unit::class, $fetchedProduct->quantity->unit);
         $this->assertEquals(Unit::Gram, $fetchedProduct->quantity->unit);
     }
+
+    public function testEnumArrayMapping(): void
+    {
+        $this->setUpEntitySchema([Scale::class]);
+
+        $scale       = new Scale();
+        $scale->supportedUnits = [Unit::Gram, Unit::Meter];
+
+        $this->_em->persist($scale);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $fetchedScale = $this->_em->find(Scale::class, $scale->id);
+
+        $this->assertIsArray($fetchedScale->supportedUnits);
+        $this->assertContains(Unit::Gram, $fetchedScale->supportedUnits);
+        $this->assertContains(Unit::Meter, $fetchedScale->supportedUnits);
+    }
 }