Update TypeInterface to extend JsonSerializable and Serializable

tests/Type/TimeTest.php

@@ -4,9 +4,14 @@ declare(strict_types=1);
 
 namespace Ramsey\Uuid\Test\Type;
 
+use Ramsey\Uuid\Exception\UnsupportedOperationException;
 use Ramsey\Uuid\Test\TestCase;
 use Ramsey\Uuid\Type\Time;
 
+use function json_encode;
+use function serialize;
+use function unserialize;
+
 class TimeTest extends TestCase
 {
     /**
@@ -55,4 +60,64 @@ class TimeTest extends TestCase
             ],
         ];
     }
+
+    /**
+     * @param int|float|string $seconds
+     * @param int|float|string|null $microSeconds
+     *
+     * @dataProvider provideTimeValues
+     */
+    public function testSerializeUnserializeTime($seconds, $microSeconds): void
+    {
+        $params = [$seconds];
+        if ($microSeconds !== null) {
+            $params[] = $microSeconds;
+        }
+
+        $time = new Time(...$params);
+        $serializedTime = serialize($time);
+        $unserializedTime = unserialize($serializedTime);
+
+        $this->assertSame((string) $seconds, $unserializedTime->getSeconds()->toString());
+
+        $this->assertSame(
+            (string) $microSeconds ?: '0',
+            $unserializedTime->getMicroSeconds()->toString()
+        );
+    }
+
+    public function testUnserializeOfInvalidValueException(): void
+    {
+        $invalidSerialization = 'C:21:"Ramsey\\Uuid\\Type\\Time":13:{{"foo":"bar"}}';
+
+        $this->expectException(UnsupportedOperationException::class);
+        $this->expectExceptionMessage('Attempted to unserialize an invalid value');
+
+        unserialize($invalidSerialization);
+    }
+
+    /**
+     * @param int|float|string $seconds
+     * @param int|float|string|null $microSeconds
+     *
+     * @dataProvider provideTimeValues
+     */
+    public function testJsonSerialize($seconds, $microSeconds): void
+    {
+        $time = [
+            'seconds' => (string) $seconds,
+            'microseconds' => (string) $microSeconds ?: '0',
+        ];
+
+        $expectedJson = json_encode($time);
+
+        $params = [$seconds];
+        if ($microSeconds !== null) {
+            $params[] = $microSeconds;
+        }
+
+        $time = new Time(...$params);
+
+        $this->assertSame($expectedJson, json_encode($time));
+    }
 }