<?php declare(strict_types=1); namespace ZipStream\Test\Zs; use PHPUnit\Framework\TestCase; use ZipStream\Zs\ExtendedInformationExtraField; class ExtendedInformationExtraFieldTest extends TestCase { public function testSerializesCorrectly(): void { $extraField = ExtendedInformationExtraField::generate(); $this->assertSame( bin2hex((string) $extraField), '5356' . // 2 bytes; Tag for this "extra" block type '0000' // 2 bytes; TODO: Document ); } }