/**
  * @covers Base32::encode()
  * @covers Base32::decode()
  * @covers Base32::encodeUpper()
  * @covers Base32::decodeUpper()
  */
 public function testRandom()
 {
     for ($i = 1; $i < 32; ++$i) {
         for ($j = 0; $j < 50; ++$j) {
             $random = \random_bytes($i);
             $enc = Base32::encode($random);
             $this->assertSame($random, Base32::decode($enc));
             $enc = Base32::encodeUpper($random);
             $this->assertSame($random, Base32::decodeUpper($enc));
         }
     }
 }