[ticket/15253] Move storage helper to filesystem

PHPBB3-15253

tests/filesystem/helper_clean_path_test.php

@@ -0,0 +1,52 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+class phpbb_filesystem_helper_clean_path_test extends phpbb_test_case
+{
+
+	public function setUp()
+	{
+		parent::setUp();
+	}
+
+	public function clean_path_data()
+	{
+		return array(
+			array('foo', 'foo'),
+			array('foo/bar', 'foo/bar'),
+			array('foo/bar/', 'foo/bar/'),
+			array('foo/./bar', 'foo/bar'),
+			array('foo/./././bar', 'foo/bar'),
+			array('foo/bar/.', 'foo/bar'),
+			array('./foo/bar', './foo/bar'),
+			array('../foo/bar', '../foo/bar'),
+			array('./../foo/bar', './../foo/bar'),
+			array('././../foo/bar', './../foo/bar'),
+			array('one/two/three', 'one/two/three'),
+			array('one/two/../three', 'one/three'),
+			array('one/../two/three', 'two/three'),
+			array('one/two/..', 'one'),
+			array('one/two/../', 'one/'),
+			array('one/two/../three/../four', 'one/four'),
+			array('one/two/three/../../four', 'one/four'),
+		);
+	}
+
+	/**
+	* @dataProvider clean_path_data
+	*/
+	public function test_clean_path($input, $expected)
+	{
+		$this->assertEquals($expected, \phpbb\filesystem\helper::clean_path($input));
+	}
+}