name : PackFieldTest.php <?php declare(strict_types=1); namespace ZipStream\Test; use PHPUnit\Framework\TestCase; use RuntimeException; use ZipStream\PackField; class PackFieldTest extends TestCase { public function testPacksFields(): void { $this->assertSame( bin2hex(PackField::pack(new PackField(format: 'v', value: 0x1122))), '2211', ); } public function testOverflow2(): void { $this->expectException(RuntimeException::class); PackField::pack(new PackField(format: 'v', value: 0xFFFFF)); } public function testOverflow4(): void { $this->expectException(RuntimeException::class); PackField::pack(new PackField(format: 'V', value: 0xFFFFFFFFF)); } public function testUnknownOperator(): void { $this->assertSame( bin2hex(PackField::pack(new PackField(format: 'a', value: 0x1122))), '34', ); } }