public function testForCollision()
{
$iterations = 10000;
$this->ids = $this->expectedIds = array();
for ($i = 1; $i <= $iterations; ++$i) {
$uid = sprintf('7%010d', $i);
$this->ids[] = sprintf('%d%d', $uid, LuhnCheckDigit::createCheckSum($uid));
$this->expectedIds[] = sprintf('L%07s', strtoupper(base_convert($i, 10, 36)));
}
$this->assertEquals($iterations, count(array_unique($this->expectedIds)));
$this->assertEquals($iterations, count(array_unique($this->ids)));
$this->assertEquals(count(array_unique($this->ids)), count(array_unique($this->expectedIds)));
foreach ($this->ids as $key => $id) {
$this->stub->uId = $id;
$this->stub->unsetId();
$this->assertEquals($this->expectedIds[$key], $this->stub->getSageId());
$this->assertEquals(substr($id, 1, 10), base_convert(substr($this->stub->getSageId(), 1), 36, 10));
}
}
public function testCreateOddNumbers()
{
$expected = 5;
$this->assertEquals($expected, LuhnCheckDigit::createCheckSum(12345));
}
