Closes #6115

ChangeLog-10.5.md

@@ -2,6 +2,12 @@
 
 All notable changes of the PHPUnit 10.5 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
+## [10.5.44] - 2025-MM-DD
+
+### Fixed
+
+* [#6115](https://github.com/sebastianbergmann/phpunit/issues/6115): Backed enumerations with values not of type `string` cannot be used in customized TestDox output
+
 ## [10.5.43] - 2025-01-29
 
 ### Changed
@@ -389,6 +395,7 @@ All notable changes of the PHPUnit 10.5 release series are documented in this fi
 
 * [#5563](https://github.com/sebastianbergmann/phpunit/issues/5563): `createMockForIntersectionOfInterfaces()` does not automatically register mock object for expectation verification
 
+[10.5.44]: https://github.com/sebastianbergmann/phpunit/compare/10.5.43...10.5
 [10.5.43]: https://github.com/sebastianbergmann/phpunit/compare/10.5.42...10.5.43
 [10.5.42]: https://github.com/sebastianbergmann/phpunit/compare/10.5.41...10.5.42
 [10.5.41]: https://github.com/sebastianbergmann/phpunit/compare/10.5.40...10.5.41

src/Logging/TestDox/NamePrettifier.php

@@ -290,7 +290,7 @@ private function objectToString(object $value): string
             $enumReflector = new ReflectionEnum($value);
 
             if ($enumReflector->isBacked()) {
-                return $value->value;
+                return (string) $value->value;
             }
 
             return $value->name;

tests/end-to-end/regression/6115.phpt

@@ -0,0 +1,25 @@
+--TEST--
+https://github.com/sebastianbergmann/phpunit/issues/6115
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--testdox';
+$_SERVER['argv'][] = __DIR__ . '/6115/Issue6115Test.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+.                                                                   1 / 1 (100%)
+
+Time: %s, Memory: %s
+
+Issue6115 (PHPUnit\TestFixture\Issue6115\Issue6115)
+ ✔ 1
+
+OK (1 test, 1 assertion)

tests/end-to-end/regression/6115/Issue6115Test.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\TestFixture\Issue6115;
+
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+
+enum Enumeration: int
+{
+    case A = 1;
+}
+
+final class Issue6115Test extends TestCase
+{
+    public static function provider(): array
+    {
+        return [
+            [
+                Enumeration::A,
+            ],
+        ];
+    }
+
+    #[DataProvider('provider')]
+    #[TestDox('$enumeration')]
+    public function testOne(Enumeration $enumeration): void
+    {
+        $this->assertTrue(true);
+    }
+}