public function testArrayAccess()
{
$app = $this->getApp();
$globalDebug = $this->getExtension()->config['debug'];
$formConfig = $this->formConfig();
$postData = $this->formData();
$formData = new FormData($postData);
$emailconfig = new EmailConfig($globalDebug, $formConfig, $formData);
$this->assertNull($emailconfig->offsetSet('debug', true));
$this->assertNull($emailconfig->offsetExists('debug'));
$this->assertNull($emailconfig->offsetUnset('debug'));
$this->assertSame('Gawain Lynch', $emailconfig->offsetGet('from_name'));
}