changes for filter and print

vendor/maennchen/zipstream-php/test/PackFieldTest.php

@@ -0,0 +1,42 @@
+<?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',
+        );
+    }
+}