public function testAlphabet()
{
$alphabet = '01';
$su1 = new ShortUUID($alphabet);
$su2 = new ShortUUID();
$this->assertEquals($alphabet, $su1->getAlphabet());
$su1->setAlphabet('01010101010101');
$this->assertEquals($alphabet, $su1->getAlphabet());
$d = array_values(array_unique(str_split($su1->uuid())));
sort($d, SORT_NATURAL);
$this->assertEquals($d, str_split('01'));
$a = strlen($su1->uuid());
$b = strlen($su2->uuid());
$this->assertTrue($a > 116 && $a < 140);
$this->assertTrue($b > 20 && $b < 24);
$u = Uuid::uuid4();
$this->assertEquals($u, $su1->decode($su1->encode($u)));
$u = $su1->uuid();
$this->assertEquals($u, $su1->encode($su1->decode($u)));
try {
$su1->setAlphabet('1');
} catch (ValueError $e) {
$this->assertTrue(true);
}
try {
$su1->setAlphabet('1111111');
} catch (ValueError $e) {
$this->assertTrue(true);
}
}
public function testDecoding()
{
$su = new ShortUUID();
$randomUid = Uuid::uuid4();
$smallestUid = Uuid::fromInteger(0);
$encodedRandom = $su->encode($randomUid);
$encodedSmall = $su->encode($smallestUid);
$this->assertEquals($su->decode($encodedSmall), $smallestUid);
$this->assertEquals($su->decode($encodedRandom), $randomUid);
}