Merge branch '10.5' into 11.1

.php-cs-fixer.dist.php

@@ -15,6 +15,8 @@
     ->in(__DIR__ . '/tests/end-to-end')
     ->in(__DIR__ . '/tests/unit')
     ->notName('DeprecatedPhpFeatureTest.php')
+    // don't mangle whitespaces in this test, which are required for the error reproduce
+    ->notName('Issue5795Test.php')
     ->notName('ReadonlyClass.php')
     ->notName('*.phpt');
 

ChangeLog-11.1.md

@@ -6,6 +6,7 @@ All notable changes of the PHPUnit 11.1 release series are documented in this fi
 
 ### Fixed
 
+* [#5795](https://github.com/sebastianbergmann/phpunit/issues/5795): Using `@testWith` annotation may generate `PHP Warning:  Uninitialized string offset 0`
 * [#5807](https://github.com/sebastianbergmann/phpunit/issues/5807): The `#[CoversMethod]` attribute is not considered for risky test check
 
 ## [11.1.1] - 2024-04-06

src/Metadata/Api/DataProvider.php

@@ -252,7 +252,7 @@ private function dataProvidedByTestWithAnnotation(string $className, string $met
         foreach (explode("\n", $annotationContent) as $candidateRow) {
             $candidateRow = trim($candidateRow);
 
-            if ($candidateRow[0] !== '[') {
+            if ($candidateRow === '' || $candidateRow[0] !== '[') {
                 break;
             }
 

tests/end-to-end/regression/5795.phpt

@@ -0,0 +1,27 @@
+--TEST--
+https://github.com/sebastianbergmann/phpunit/issues/5795
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--testdox';
+$_SERVER['argv'][] = __DIR__ . '/5795/Issue5795Test.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Runtime: %s
+
+...                                                                 3 / 3 (100%)
+
+Time: %s, Memory: %s
+
+Issue5795 (PHPUnit\TestFixture\Issue5795\Issue5795)
+ ✔ This test should make phpunit spit a PHP Warning ! with data set #0
+ ✔ This test should make phpunit spit a PHP Warning ! with data set #1
+ ✔ This test should make phpunit spit a PHP Warning ! with data set #2
+
+OK (3 tests, 3 assertions)

tests/end-to-end/regression/5795/Issue5795Test.php

@@ -0,0 +1,27 @@
+<?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\Issue5795;
+
+use PHPUnit\Framework\TestCase;
+
+final class Issue5795Test extends TestCase
+{
+    /**
+     * @testWith		 [1]
+     * 			 [2]
+     * 			 [3]
+     * 
+     * @testdox This test should make phpunit spit a PHP Warning !
+     */
+    public function testExample($arg): void
+    {
+        $this->assertIsInt($arg);
+    }
+}