assertSame( bin2hex(DataDescriptor::generate( crc32UncompressedData: 0x11111111, compressedSize: 0x77777777, uncompressedSize: 0x99999999, )), '504b0708' // 4 bytes; Optional data descriptor signature = 0x08074b50 . '11111111' // 4 bytes; CRC-32 of uncompressed data . '77777777' // 4 bytes; Compressed size . '99999999' // 4 bytes; Uncompressed size ); } }