add test for Oracle session init parameter value quotation

tests/Doctrine/Tests/DBAL/Events/OracleSessionInitTest.php

@@ -25,6 +25,34 @@ class OracleSessionInitTest extends DbalTestCase
         $listener->postConnect($eventArgs);
     }
 
+    /**
+     * @group DBAL-1824
+     *
+     * @dataProvider getPostConnectWithSessionParameterValuesData
+     */
+    public function testPostConnectQuotesSessionParameterValues($name, $value)
+    {
+        $connectionMock = $this->getMockBuilder('Doctrine\DBAL\Connection')
+            ->disableOriginalConstructor()
+            ->getMock();
+        $connectionMock->expects($this->once())
+            ->method('executeUpdate')
+            ->with($this->stringContains(sprintf('%s = %s', $name, $value)));
+
+        $eventArgs = new ConnectionEventArgs($connectionMock);
+
+
+        $listener = new OracleSessionInit(array($name => $value));
+        $listener->postConnect($eventArgs);
+    }
+
+    public function getPostConnectWithSessionParameterValuesData()
+    {
+        return array(
+            array('CURRENT_SCHEMA', 'foo'),
+        );
+    }
+
     public function testGetSubscribedEvents()
     {
         $listener = new OracleSessionInit();