Add test for DDC-1436 and DDC-1452 showing they are the same issues

tests/Doctrine/Tests/ORM/Functional/Ticket/DDC1436Test.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+use Doctrine\ORM\UnitOfWork;
+
+/**
+ * @group DDC-1436
+ */
+class DDC1436Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+
+        try {
+            $this->_schemaTool->createSchema(array(
+                $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1436Page'),
+            ));
+        } catch (\Exception $ignored) {
+        }
+    }
+
+    public function testIdentityMap()
+    {
+        // fixtures
+        $parent = null;
+        for ($i = 0; $i < 3; $i++) {
+            $page = new DDC1436Page();
+            $page->setParent($parent);
+            $this->_em->persist($page);
+            $parent = $page;
+        }
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $id = $parent->getId();
+
+        // step 1
+        $page = $this->_em
+                ->createQuery('SELECT p, parent FROM ' . __NAMESPACE__ . '\DDC1436Page p LEFT JOIN p.parent parent WHERE p.id = :id')
+                ->setParameter('id', $id)
+                ->getOneOrNullResult();
+
+        $this->assertInstanceOf(__NAMESPACE__ . '\DDC1436Page', $page);
+
+        // step 2
+        $page = $this->_em->find(__NAMESPACE__ . '\DDC1436Page', $id);
+        $this->assertInstanceOf(__NAMESPACE__ . '\DDC1436Page', $page);
+        $this->assertInstanceOf(__NAMESPACE__ . '\DDC1436Page', $page->getParent());
+        $this->assertInstanceOf(__NAMESPACE__ . '\DDC1436Page', $page->getParent()->getParent());
+    }
+}
+
+/**
+ * @Entity
+ */
+class DDC1436Page
+{
+    /**
+     * @Id
+     * @GeneratedValue
+     * @Column(type="integer", name="id")
+     */
+    protected $id;
+    /**
+     * @ManyToOne(targetEntity="DDC1436Page")
+     * @JoinColumn(name="pid", referencedColumnName="id")
+     */
+    protected $parent;
+
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return DDC1436Page
+     */
+    public function getParent()
+    {
+        return $this->parent;
+    }
+
+    public function setParent($parent)
+    {
+        $this->parent = $parent;
+    }
+}
+