<?php declare(strict_types=1); namespace ZipStream\Test; use PHPUnit\Framework\TestCase; use ZipStream\DataDescriptor; class DataDescriptorTest extends TestCase { public function testSerializesCorrectly(): void { $this->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 ); } }