function testHttpHeaders()
{
$fileName = 'file_' . mt_rand() . '.csv';
$writer = new Csv();
$writer->sendHttpAttachmentHeaders($fileName);
$this->assertEquals(array('text/csv'), \Core3\Debug\XdebugExtras::findHeaders('Content-Type'));
$this->assertEquals(array('attachment; filename="' . $fileName . '"'), \Core3\Debug\XdebugExtras::findHeaders('Content-Disposition'));
$this->assertEquals(array('no-cache'), \Core3\Debug\XdebugExtras::findHeaders('Pragma'));
$this->assertEquals(array('Sat, 26 Jul 1997 05:00:00 GMT'), \Core3\Debug\XdebugExtras::findHeaders('Expires'));
}
