Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/translation/Tests/Dumper/FileDumperTest.php

@@ -0,0 +1,70 @@
+<?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\Translation\Tests\Dumper;
+
+use Symfony\Component\Translation\MessageCatalogue;
+use Symfony\Component\Translation\Dumper\FileDumper;
+
+class FileDumperTest extends \PHPUnit_Framework_TestCase
+{
+    public function testDumpBackupsFileIfExisting()
+    {
+        $tempDir = sys_get_temp_dir();
+        $file = $tempDir.'/messages.en.concrete';
+        $backupFile = $file.'~';
+
+        @touch($file);
+
+        $catalogue = new MessageCatalogue('en');
+        $catalogue->add(array('foo' => 'bar'));
+
+        $dumper = new ConcreteFileDumper();
+        $dumper->dump($catalogue, array('path' => $tempDir));
+
+        $this->assertTrue(file_exists($backupFile));
+
+        @unlink($file);
+        @unlink($backupFile);
+    }
+
+    public function testDumpCreatesNestedDirectoriesAndFile()
+    {
+        $tempDir = sys_get_temp_dir();
+        $translationsDir = $tempDir.'/test/translations';
+        $file = $translationsDir.'/messages.en.concrete';
+
+        $catalogue = new MessageCatalogue('en');
+        $catalogue->add(array('foo' => 'bar'));
+
+        $dumper = new ConcreteFileDumper();
+        $dumper->setRelativePathTemplate('test/translations/%domain%.%locale%.%extension%');
+        $dumper->dump($catalogue, array('path' => $tempDir));
+
+        $this->assertTrue(file_exists($file));
+
+        @unlink($file);
+        @rmdir($translationsDir);
+    }
+}
+
+class ConcreteFileDumper extends FileDumper
+{
+    protected function format(MessageCatalogue $messages, $domain)
+    {
+        return '';
+    }
+
+    protected function getExtension()
+    {
+        return 'concrete';
+    }
+}