public function testSend_valid()
{
$transport = $this->getMock('r8\\Mail\\Transport', array('internalSend'));
$mail = new \r8\Mail($transport);
$mail->setFrom('*****@*****.**');
$mail->addTo('*****@*****.**');
$transport->expects($this->once())->method('internalSend')->with($this->equalTo($mail));
$this->assertSame($transport, $transport->send($mail));
}