public function testVerification()
{
$verifier = new Verifier();
$this->assertFalse($verifier->verify(''), 'Empty Nonce');
$this->assertEquals(1, $verifier->verify(self::$nonce), 'Nonce less than 12 hours old');
time(self::$time + 3600 * 12);
$this->assertEquals(2, $verifier->verify(self::$nonce), 'Nonce less than 24 hours old');
time(self::$time + 3600 * 24);
$this->assertFalse($verifier->verify(self::$nonce), 'Nonce older than 24 hours');
}