/**
  * testRequestClientTypes method
  *
  * @access public
  * @return void
  */
 function testRequestClientTypes()
 {
     $this->assertFalse($this->RequestHandler->isFlash());
     $_SERVER['HTTP_USER_AGENT'] = 'Shockwave Flash';
     $this->assertTrue($this->RequestHandler->isFlash());
     unset($_SERVER['HTTP_USER_AGENT'], $_SERVER['HTTP_X_REQUESTED_WITH']);
     $this->assertFalse($this->RequestHandler->isAjax());
     $_SERVER['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest';
     $_SERVER['HTTP_X_PROTOTYPE_VERSION'] = '1.5';
     $this->assertTrue($this->RequestHandler->isAjax());
     $this->assertEqual($this->RequestHandler->getAjaxVersion(), '1.5');
     unset($_SERVER['HTTP_X_REQUESTED_WITH'], $_SERVER['HTTP_X_PROTOTYPE_VERSION']);
     $this->assertFalse($this->RequestHandler->isAjax());
     $this->assertFalse($this->RequestHandler->getAjaxVersion());
 }