/**
  * @covers Base32Hex::encode()
  * @covers Base32Hex::decode()
  * @covers Base32Hex::encodeUpper()
  * @covers Base32Hex::decodeUpper()
  */
 public function testRandom()
 {
     for ($i = 1; $i < 32; ++$i) {
         for ($j = 0; $j < 50; ++$j) {
             $random = \random_bytes($i);
             $enc = Base32Hex::encode($random);
             $this->assertSame($random, Base32Hex::decode($enc));
             $enc = Base32Hex::encodeUpper($random);
             $this->assertSame($random, Base32Hex::decodeUpper($enc));
         }
     }
 }
 public function testVectorBase32Hex()
 {
     $this->assertSame(Base32Hex::encode(''), '');
     $this->assertSame(Base32Hex::encode('f'), 'co======');
     $this->assertSame(Base32Hex::encode('fo'), 'cpng====');
     $this->assertSame(Base32Hex::encode('foo'), 'cpnmu===');
     $this->assertSame(Base32Hex::encode('foob'), 'cpnmuog=');
     $this->assertSame(Base32Hex::encode('fooba'), 'cpnmuoj1');
     $this->assertSame(Base32Hex::encode('foobar'), 'cpnmuoj1e8======');
     $this->assertSame(Base32Hex::encodeUpper(''), '');
     $this->assertSame(Base32Hex::encodeUpper('f'), 'CO======');
     $this->assertSame(Base32Hex::encodeUpper('fo'), 'CPNG====');
     $this->assertSame(Base32Hex::encodeUpper('foo'), 'CPNMU===');
     $this->assertSame(Base32Hex::encodeUpper('foob'), 'CPNMUOG=');
     $this->assertSame(Base32Hex::encodeUpper('fooba'), 'CPNMUOJ1');
     $this->assertSame(Base32Hex::encodeUpper('foobar'), 'CPNMUOJ1E8======');
 }