/**
  * @covers Zend\Db\Adapter\Driver\Oci8\Statement::prepare
  * @covers Zend\Db\Adapter\Driver\Oci8\Statement::isPrepared
  */
 public function testPrepare()
 {
     $ociResource = oci_connect($this->variables['username'], $this->variables['password']);
     $statement = new Statement();
     $statement->initialize($ociResource);
     $this->assertFalse($statement->isPrepared());
     $this->assertSame($statement, $statement->prepare('SELECT * FROM DUAL'));
     $this->assertTrue($statement->isPrepared());
     unset($resource, $ociResource);
 }