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vendor/symfony/property-access/Tests/StringUtilTest.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\PropertyAccess\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\PropertyAccess\StringUtil;
+
+/**
+ * @group legacy
+ */
+class StringUtilTest extends TestCase
+{
+    public function singularifyProvider()
+    {
+        // This is only a stub to make sure the BC layer works
+        // Actual tests are in the Symfony Inflector component
+        return array(
+            array('axes', array('ax', 'axe', 'axis')),
+        );
+    }
+
+    /**
+     * @dataProvider singularifyProvider
+     */
+    public function testSingularify($plural, $singular)
+    {
+        $single = StringUtil::singularify($plural);
+        if (is_string($singular) && is_array($single)) {
+            $this->fail("--- Expected\n`string`: ".$singular."\n+++ Actual\n`array`: ".implode(', ', $single));
+        } elseif (is_array($singular) && is_string($single)) {
+            $this->fail("--- Expected\n`array`: ".implode(', ', $singular)."\n+++ Actual\n`string`: ".$single);
+        }
+
+        $this->assertEquals($singular, $single);
+    }
+}