Add functional test for ArrayCollection::clear() bug

tests/Doctrine/Tests/ORM/Functional/Ticket/GH7761Test.php

@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+final class GH7761Test extends OrmFunctionalTestCase
+{
+ /**
+ * {@inheritDoc}
+ */
+ protected function setUp() : void
+ {
+ parent::setUp();
+
+ $this->setUpEntitySchema([
+ GH7761Entity::class,
+ GH7761ChildEntity::class,
+ ]);
+
+ $parent = new GH7761Entity();
+ $child = new GH7761ChildEntity();
+ $parent->children->add($child);
+
+ $this->_em->persist($parent);
+ $this->_em->persist($child);
+ $this->_em->flush();
+ $this->_em->clear();
+ }
+
+ public function testCollectionClearDoesNotClearIfNotPersisted() : void
+ {
+ /** @var GH7761Entity $entity */
+ $entity = $this->_em->find(GH7761Entity::class, 1);
+ $entity->children->clear();
+ $this->_em->persist(new GH7761Entity());
+ $this->_em->flush();
+
+ $this->_em->clear();
+
+ $entity = $this->_em->find(GH7761Entity::class, 1);
+ self::assertCount(1, $entity->children);
+
+ $this->_em->clear();
+ }
+}
+
+/**
+ * @Entity
+ * @ChangeTrackingPolicy("DEFERRED_EXPLICIT")
+ */
+class GH7761Entity
+{
+ /**
+ * @Id
+ * @Column(type="integer")
+ * @GeneratedValue
+ */
+ public $id;
+
+ /**
+ * @ManyToMany(targetEntity="Doctrine\Tests\ORM\Functional\Ticket\GH7761ChildEntity", cascade={"all"})
+ * @JoinTable(name="gh7761_to_child",
+ * joinColumns={@JoinColumn(name="entity_id")},
+ * inverseJoinColumns={@JoinColumn(name="child_id")}
+ * )
+ */
+ public $children;
+
+ public function __construct()
+ {
+ $this->children = new ArrayCollection();
+ }
+}
+
+/**
+ * @Entity
+ * @ChangeTrackingPolicy("DEFERRED_EXPLICIT")
+ */
+class GH7761ChildEntity
+{
+ /**
+ * @Id
+ * @Column(type="integer")
+ * @GeneratedValue
+ */
+ public $id;
+}