public function testAttachmentsTotal()
{
$this->assertCount(0, $this->mailService->getAttachments());
$this->mailService->setAttachments(array('one', 'two', 'three'));
$this->mailService->addAttachments(array('four', 'five', 'six'));
$this->mailService->addAttachment('seven');
$this->mailService->addAttachment('eight', 'with-alias');
$this->assertCount(8, $this->mailService->getAttachments());
$this->mailService->setAttachments(array('one', 'two'));
$this->assertCount(2, $this->mailService->getAttachments());
$this->mailService->addAttachments(array('three', 'four'));
$this->assertCount(4, $this->mailService->getAttachments());
}