public function testSetAndGetHeaders()
{
$m = new Mail();
$m->setHeader('X-Reply-To', '*****@*****.**');
$m->setHeader('X-Reply-To', 'Bob <*****@*****.**>');
$m->replyTo('*****@*****.**');
$m->setHeaders(array('Reply' => '*****@*****.**'));
$m->setParams(' -i');
$m->setParams(array(' -t'));
$m->setParams();
$this->assertEquals('*****@*****.**', $m->getHeader('Reply-To'));
$this->assertEquals(4, count($m->getHeaders()));
}