public function testSetArrowTempFilesByIndexAndGetArrowTempFilesByIndex()
 {
     $getArrowTempFilesByIndex = getMethod('MailForm', 'getArrowTempFilesByIndex');
     $mailform = new MailForm();
     $mailform->setArrowTempFilesByIndex(1, true);
     $flag = $getArrowTempFilesByIndex->invokeArgs($mailform, array(1));
     $this->assertEquals(true, $flag);
     $mailform->setArrowTempFilesByIndex(1, false);
     $flag = $getArrowTempFilesByIndex->invokeArgs($mailform, array(1));
     $this->assertEquals(false, $flag);
     $mailform->setArrowTempFilesByIndex(2, true);
     $flag = $getArrowTempFilesByIndex->invokeArgs($mailform, array(2));
     $this->assertEquals(true, $flag);
 }