DDC-1452 - Attach working testcase

tests/Doctrine/Tests/ORM/Functional/Ticket/DDC1452Test.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+use Doctrine\ORM\UnitOfWork;
+
+require_once __DIR__ . '/../../../TestInit.php';
+
+/**
+ * @group DDC-1452
+ */
+class DDC1452Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+
+        try {
+            $this->_schemaTool->createSchema(array(
+                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1452EntityA'),
+                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1452EntityB'),
+            ));
+        } catch (\Exception $ignored) {
+        }
+    }
+
+    public function testIssue()
+    {
+        $a = new DDC1452EntityA();
+        $a->title = "foo";
+
+        $b = new DDC1452EntityB();
+        $b->entityAFrom = $a;
+        $b->entityATo = $a;
+
+        $this->_em->persist($a);
+        $this->_em->persist($b);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $dql = "SELECT a, b, ba FROM " . __NAMESPACE__ . "\DDC1452EntityA AS a LEFT JOIN a.entitiesB AS b LEFT JOIN b.entityATo AS ba";
+        $results = $this->_em->createQuery($dql)->getResult();
+
+        $this->assertSame($results[0], $results[0]->entitiesB[0]->entityAFrom);
+        $this->assertSame($results[0], $results[0]->entitiesB[0]->entityATo);
+    }
+}
+
+/**
+ * @Entity
+ */
+class DDC1452EntityA
+{
+    /** @Id @Column(type="integer") @GeneratedValue */
+    public $id;
+    /** @Column */
+    public $title;
+    /** @ManyToMany(targetEntity="DDC1452EntityB", mappedBy="entityAFrom") */
+    public $entitiesB;
+}
+
+/**
+ * @Entity
+ */
+class DDC1452EntityB
+{
+    /** @Id @Column(type="integer") @GeneratedValue */
+    public $id;
+
+    /**
+     * @ManyToOne(targetEntity="DDC1452EntityA", inversedBy="entitiesB")
+     */
+    public $entityAFrom;
+    /**
+     * @ManyToOne(targetEntity="DDC1452EntityA")
+     */
+    public $entityATo;
+}