Initial Version

tests/php/shared/Json/JsonSerializableObjectTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace KTXF\Json;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test for JsonSerializableObject base functionality
+ */
+class JsonSerializableObjectTest extends TestCase
+{
+    public function testJsonSerializeReturnsObjectVars(): void
+    {
+        $testObject = new class extends JsonSerializableObject {
+            public string $publicProperty = 'test';
+            private string $privateProperty = 'private';
+            protected string $protectedProperty = 'protected';
+        };
+
+        $serialized = $testObject->jsonSerialize();
+
+        $this->assertIsArray($serialized);
+        $this->assertArrayHasKey('publicProperty', $serialized);
+        $this->assertEquals('test', $serialized['publicProperty']);
+        $this->assertArrayHasKey('protectedProperty', $serialized); // get_object_vars includes protected
+        $this->assertEquals('protected', $serialized['protectedProperty']);
+        $this->assertArrayNotHasKey('privateProperty', $serialized); // but not private
+    }
+
+    public function testJsonDeserializeSetsProperties(): void
+    {
+        $testObject = new class extends JsonSerializableObject {
+            public string $name = '';
+            public int $age = 0;
+        };
+
+        $data = [
+            'name' => 'John Doe',
+            'age' => 30,
+            'nonexistent' => 'ignored'
+        ];
+
+        $result = $testObject->jsonDeserialize($data);
+
+        $this->assertSame($testObject, $result);
+        $this->assertEquals('John Doe', $testObject->name);
+        $this->assertEquals(30, $testObject->age);
+        $this->assertObjectNotHasProperty('nonexistent', $testObject);
+    }
+
+    public function testJsonDeserializeHandlesJsonString(): void
+    {
+        $testObject = new class extends JsonSerializableObject {
+            public string $message = '';
+        };
+
+        $jsonString = '{"message": "Hello World"}';
+        $testObject->jsonDeserialize($jsonString);
+
+        $this->assertEquals('Hello World', $testObject->message);
+    }
+}