Added additional tests

tests/Validator/Constraints/Year2038BugWorkaroundValidatorTest.php

@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2026 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Validator\Constraints;
+
+use App\Validator\Constraints\Year2038BugWorkaround;
+use App\Validator\Constraints\Year2038BugWorkaroundValidator;
+use Symfony\Component\Validator\ConstraintValidatorInterface;
+use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
+
+final class Year2038BugWorkaroundValidatorTest extends ConstraintValidatorTestCase
+{
+    protected function createValidator(): ConstraintValidatorInterface
+    {
+        // Disable validation by default so tests run on both 32- and 64-bit systems
+        return new Year2038BugWorkaroundValidator(disable_validation: true);
+    }
+
+    public function testIsNotActivatedWhenDisabled(): void
+    {
+        $validator = new Year2038BugWorkaroundValidator(disable_validation: true);
+        $this->assertFalse($validator->isActivated());
+    }
+
+    public function testIsNotActivatedOn64Bit(): void
+    {
+        // On any normal 64-bit CI/dev system PHP_INT_SIZE === 8, so activation requires 32-bit
+        if (PHP_INT_SIZE !== 8) {
+            $this->markTestSkipped('This test is only meaningful on 64-bit systems.');
+        }
+        $validator = new Year2038BugWorkaroundValidator(disable_validation: false);
+        $this->assertFalse($validator->isActivated());
+    }
+
+    public function testNullValueProducesNoViolation(): void
+    {
+        $this->validator->validate(null, new Year2038BugWorkaround());
+        $this->assertNoViolation();
+    }
+
+    public function testDateBefore2038ProducesNoViolationWhenDisabled(): void
+    {
+        $this->validator->validate(new \DateTime('2037-01-01'), new Year2038BugWorkaround());
+        $this->assertNoViolation();
+    }
+
+    public function testDateAfter2038ProducesNoViolationWhenDisabled(): void
+    {
+        // Validation disabled → even a "bad" date causes no violation
+        $this->validator->validate(new \DateTime('2039-01-01'), new Year2038BugWorkaround());
+        $this->assertNoViolation();
+    }
+}