DDC-899 - Add method to check if EntityManager is still open.

lib/Doctrine/ORM/EntityManager.php

@@ -619,6 +619,16 @@ class EntityManager
         }
     }
 
+    /**
+     * Check if the Entity manager is open or closed.
+     * 
+     * @return bool
+     */
+    public function isOpen()
+    {
+        return (!$this->closed);
+    }
+
     /**
      * Gets the UnitOfWork used by the EntityManager to coordinate operations.
      *

tests/Doctrine/Tests/ORM/EntityManagerTest.php

@@ -14,6 +14,16 @@ class EntityManagerTest extends \Doctrine\Tests\OrmTestCase
         $this->_em = $this->_getTestEntityManager();
     }
 
+    /**
+     * @group DDC-899
+     */
+    public function testIsOpen()
+    {
+        $this->assertTrue($this->_em->isOpen());
+        $this->_em->close();
+        $this->assertFalse($this->_em->isOpen());
+    }
+
     public function testGetConnection()
     {
         $this->assertType('\Doctrine\DBAL\Connection', $this->_em->getConnection());