GeneralUtilityTest.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Tests\Unit\Utility;
 
use org\bovigo\vfs\vfsStream;
use org\bovigo\vfs\vfsStreamDirectory;
use org\bovigo\vfs\vfsStreamWrapper;
use Prophecy\Argument;
use Psr\Log\LoggerInterface;
use ‪TYPO3\CMS\Core\Cache\CacheManager;
use ‪TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
use ‪TYPO3\CMS\Core\Core\Environment;
use ‪TYPO3\CMS\Core\Package\Package;
use TYPO3\CMS\Core\Package\PackageManager;
use ‪TYPO3\CMS\Core\SingletonInterface;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\AccessibleProxies\ExtensionManagementUtilityAccessibleProxy;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\ExtendedSingletonClassFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\GeneralUtilityFilesystemFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\GeneralUtilityFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\GeneralUtilityMakeInstanceInjectLoggerFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\OriginalClassFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\OtherReplacementClassFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\ReplacementClassFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\SingletonClassFixture;
use ‪TYPO3\CMS\Core\Tests\Unit\Utility\Fixtures\TwoParametersConstructorFixture;
use ‪TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\StringUtility;
use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
class ‪GeneralUtilityTest extends UnitTestCase
{
    const ‪NO_FIX_PERMISSIONS_ON_WINDOWS = 'fixPermissions() not available on Windows (method does nothing)';
 
    protected ‪$resetSingletonInstances = true;
 
    protected ‪$backupEnvironment = true;
 
    protected ‪$backupPackageManager;
 
    protected function ‪setUp(): void
    {
        parent::setUp();
        ‪GeneralUtilityFixture::$isAllowedHostHeaderValueCallCount = 0;
        ‪GeneralUtilityFixture::setAllowHostHeaderValue(false);
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = ‪GeneralUtility::ENV_TRUSTED_HOSTS_PATTERN_ALLOW_ALL;
        $this->backupPackageManager = ‪ExtensionManagementUtilityAccessibleProxy::getPackageManager();
    }
 
    protected function ‪tearDown(): void
    {
        GeneralUtility::flushInternalRuntimeCaches();
        if ($this->backupPackageManager) {
            ‪ExtensionManagementUtilityAccessibleProxy::setPackageManager($this->backupPackageManager);
        }
        parent::tearDown();
    }
 
    public function ‪isConnected()
    {
        $isConnected = false;
        $connected = @fsockopen('typo3.org', 80);
        if ($connected) {
            $isConnected = true;
            fclose($connected);
        }
        return $isConnected;
    }
 
    protected function ‪getVirtualTestDir($prefix = 'root_')
    {
        $root = vfsStream::setup();
        $path = $root->url() . '/typo3temp/var/tests/' . ‪StringUtility::getUniqueId($prefix);
        ‪GeneralUtility::mkdir_deep($path);
        return $path;
    }
 
    // Tests concerning _GP
 
    public function ‪canRetrieveValueWithGP($key, $get, $post, $expected)
    {
        $_GET = $get;
        $_POST = $post;
        self::assertSame($expected, GeneralUtility::_GP($key));
    }
 
    public function ‪gpDataProvider()
    {
        return [
            'No key parameter' => [null, [], [], null],
            'Key not found' => ['cake', [], [], null],
            'Value only in GET' => ['cake', ['cake' => 'li\\e'], [], 'li\\e'],
            'Value only in POST' => ['cake', [], ['cake' => 'l\\ie'], 'l\\ie'],
            'Value from POST preferred over GET' => ['cake', ['cake' => 'is a'], ['cake' => '\\lie'], '\\lie'],
            'Value can be an array' => [
                'cake',
                ['cake' => ['is a' => 'l\\ie']],
                [],
                ['is a' => 'l\\ie']
            ]
        ];
    }
 
    // Tests concerning _GPmerged
 
    public function ‪gpMergedWillMergeArraysFromGetAndPost($get, $post, $expected)
    {
        $_POST = $post;
        $_GET = $get;
        self::assertEquals($expected, GeneralUtility::_GPmerged('cake'));
    }
 
    public function ‪gpMergedDataProvider()
    {
        $fullDataArray = ['cake' => ['a' => 'is a', 'b' => 'lie']];
        $postPartData = ['cake' => ['b' => 'lie']];
        $getPartData = ['cake' => ['a' => 'is a']];
        $getPartDataModified = ['cake' => ['a' => 'is not a']];
        return [
            'Key doesn\' exist' => [['foo'], ['bar'], []],
            'No POST data' => [$fullDataArray, [], $fullDataArray['cake']],
            'No GET data' => [[], $fullDataArray, $fullDataArray['cake']],
            'POST and GET are merged' => [$getPartData, $postPartData, $fullDataArray['cake']],
            'POST is preferred over GET' => [$getPartDataModified, $fullDataArray, $fullDataArray['cake']]
        ];
    }
 
    // Tests concerning _GET / _POST
 
    public function ‪getAndPostDataProvider()
    {
        return [
            'Requested input data doesn\'t exist' => ['cake', [], null],
            'No key will return entire input data' => [null, ['cake' => 'l\\ie'], ['cake' => 'l\\ie']],
            'Can retrieve specific input' => ['cake', ['cake' => 'l\\ie', 'foo'], 'l\\ie'],
            'Can retrieve nested input data' => ['cake', ['cake' => ['is a' => 'l\\ie']], ['is a' => 'l\\ie']]
        ];
    }
 
    public function ‪canRetrieveGlobalInputsThroughGet($key, $get, $expected)
    {
        $_GET = $get;
        self::assertSame($expected, GeneralUtility::_GET($key));
    }
 
    public function ‪canRetrieveGlobalInputsThroughPost($key, $post, $expected)
    {
        $_POST = $post;
        self::assertSame($expected, GeneralUtility::_POST($key));
    }
 
    // Tests concerning cmpIPv4
 
    public static function ‪cmpIPv4DataProviderMatching()
    {
        return [
            'host with full IP address' => ['127.0.0.1', '127.0.0.1'],
            'host with two wildcards at the end' => ['127.0.0.1', '127.0.*.*'],
            'host with wildcard at third octet' => ['127.0.0.1', '127.0.*.1'],
            'host with wildcard at second octet' => ['127.0.0.1', '127.*.0.1'],
            '/8 subnet' => ['127.0.0.1', '127.1.1.1/8'],
            '/32 subnet (match only name)' => ['127.0.0.1', '127.0.0.1/32'],
            '/30 subnet' => ['10.10.3.1', '10.10.3.3/30'],
            'host with wildcard in list with IPv4/IPv6 addresses' => ['192.168.1.1', '127.0.0.1, 1234:5678::/126, 192.168.*'],
            'host in list with IPv4/IPv6 addresses' => ['192.168.1.1', '::1, 1234:5678::/126, 192.168.1.1'],
        ];
    }
 
    public function ‪cmpIPv4ReturnsTrueForMatchingAddress($ip, $list)
    {
        self::assertTrue(GeneralUtility::cmpIPv4($ip, $list));
    }
 
    public static function ‪cmpIPv4DataProviderNotMatching()
    {
        return [
            'single host' => ['127.0.0.1', '127.0.0.2'],
            'single host with wildcard' => ['127.0.0.1', '127.*.1.1'],
            'single host with /32 subnet mask' => ['127.0.0.1', '127.0.0.2/32'],
            '/31 subnet' => ['127.0.0.1', '127.0.0.2/31'],
            'list with IPv4/IPv6 addresses' => ['127.0.0.1', '10.0.2.3, 192.168.1.1, ::1'],
            'list with only IPv6 addresses' => ['10.20.30.40', '::1, 1234:5678::/127']
        ];
    }
 
    public function ‪cmpIPv4ReturnsFalseForNotMatchingAddress($ip, $list)
    {
        self::assertFalse(GeneralUtility::cmpIPv4($ip, $list));
    }
 
    // Tests concerning cmpIPv6
 
    public static function ‪cmpIPv6DataProviderMatching()
    {
        return [
            'empty address' => ['::', '::'],
            'empty with netmask in list' => ['::', '::/0'],
            'empty with netmask 0 and host-bits set in list' => ['::', '::123/0'],
            'localhost' => ['::1', '::1'],
            'localhost with leading zero blocks' => ['::1', '0:0::1'],
            'host with submask /128' => ['::1', '0:0::1/128'],
            '/16 subnet' => ['1234::1', '1234:5678::/16'],
            '/126 subnet' => ['1234:5678::3', '1234:5678::/126'],
            '/126 subnet with host-bits in list set' => ['1234:5678::3', '1234:5678::2/126'],
            'list with IPv4/IPv6 addresses' => ['1234:5678::3', '::1, 127.0.0.1, 1234:5678::/126, 192.168.1.1']
        ];
    }
 
    public function ‪cmpIPv6ReturnsTrueForMatchingAddress($ip, $list)
    {
        self::assertTrue(GeneralUtility::cmpIPv6($ip, $list));
    }
 
    public static function ‪cmpIPv6DataProviderNotMatching()
    {
        return [
            'empty against localhost' => ['::', '::1'],
            'empty against localhost with /128 netmask' => ['::', '::1/128'],
            'localhost against different host' => ['::1', '::2'],
            'localhost against host with prior bits set' => ['::1', '::1:1'],
            'host against different /17 subnet' => ['1234::1', '1234:f678::/17'],
            'host against different /127 subnet' => ['1234:5678::3', '1234:5678::/127'],
            'host against IPv4 address list' => ['1234:5678::3', '127.0.0.1, 192.168.1.1'],
            'host against mixed list with IPv6 host in different subnet' => ['1234:5678::3', '::1, 1234:5678::/127']
        ];
    }
 
    public function ‪cmpIPv6ReturnsFalseForNotMatchingAddress($ip, $list)
    {
        self::assertFalse(GeneralUtility::cmpIPv6($ip, $list));
    }
 
    // Tests concerning normalizeIPv6 / compressIPv6
 
    public static function ‪normalizeCompressIPv6DataProviderCorrect()
    {
        return [
            'empty' => ['::', '0000:0000:0000:0000:0000:0000:0000:0000'],
            'localhost' => ['::1', '0000:0000:0000:0000:0000:0000:0000:0001'],
            'expansion in middle 1' => ['1::2', '0001:0000:0000:0000:0000:0000:0000:0002'],
            'expansion in middle 2' => ['1:2::3', '0001:0002:0000:0000:0000:0000:0000:0003'],
            'expansion in middle 3' => ['1::2:3', '0001:0000:0000:0000:0000:0000:0002:0003'],
            'expansion in middle 4' => ['1:2::3:4:5', '0001:0002:0000:0000:0000:0003:0004:0005']
        ];
    }
 
    public function ‪normalizeIPv6CorrectlyNormalizesAddresses($compressed, $normalized)
    {
        self::assertEquals($normalized, GeneralUtility::normalizeIPv6($compressed));
    }
 
    // Tests concerning validIP
 
    public static function ‪validIpDataProvider()
    {
        return [
            '0.0.0.0' => ['0.0.0.0'],
            'private IPv4 class C' => ['192.168.0.1'],
            'private IPv4 class A' => ['10.0.13.1'],
            'private IPv6' => ['fe80::daa2:5eff:fe8b:7dfb']
        ];
    }
 
    public function ‪validIpReturnsTrueForValidIp($ip)
    {
        self::assertTrue(GeneralUtility::validIP($ip));
    }
 
    public static function ‪invalidIpDataProvider()
    {
        return [
            'null' => [null],
            'zero' => [0],
            'string' => ['test'],
            'string empty' => [''],
            'string NULL' => ['NULL'],
            'out of bounds IPv4' => ['300.300.300.300'],
            'dotted decimal notation with only two dots' => ['127.0.1']
        ];
    }
 
    public function ‪validIpReturnsFalseForInvalidIp($ip)
    {
        self::assertFalse(GeneralUtility::validIP($ip));
    }
 
    // Tests concerning cmpFQDN
 
    public static function ‪cmpFqdnValidDataProvider()
    {
        return [
            'localhost should usually resolve, IPv4' => ['127.0.0.1', '*'],
            'localhost should usually resolve, IPv6' => ['::1', '*'],
            // other testcases with resolving not possible since it would
            // require a working IPv4/IPv6-connectivity
            'aaa.bbb.ccc.ddd.eee, full' => ['aaa.bbb.ccc.ddd.eee', 'aaa.bbb.ccc.ddd.eee'],
            'aaa.bbb.ccc.ddd.eee, wildcard first' => ['aaa.bbb.ccc.ddd.eee', '*.ccc.ddd.eee'],
            'aaa.bbb.ccc.ddd.eee, wildcard last' => ['aaa.bbb.ccc.ddd.eee', 'aaa.bbb.ccc.*'],
            'aaa.bbb.ccc.ddd.eee, wildcard middle' => ['aaa.bbb.ccc.ddd.eee', 'aaa.*.eee'],
            'list-matches, 1' => ['aaa.bbb.ccc.ddd.eee', 'xxx, yyy, zzz, aaa.*.eee'],
            'list-matches, 2' => ['aaa.bbb.ccc.ddd.eee', '127:0:0:1,,aaa.*.eee,::1']
        ];
    }
 
    public function ‪cmpFqdnReturnsTrue($baseHost, $list)
    {
        self::assertTrue(GeneralUtility::cmpFQDN($baseHost, $list));
    }
 
    public static function ‪cmpFqdnInvalidDataProvider()
    {
        return [
            'num-parts of hostname to check can only be less or equal than hostname, 1' => ['aaa.bbb.ccc.ddd.eee', 'aaa.bbb.ccc.ddd.eee.fff'],
            'num-parts of hostname to check can only be less or equal than hostname, 2' => ['aaa.bbb.ccc.ddd.eee', 'aaa.*.bbb.ccc.ddd.eee']
        ];
    }
 
    public function ‪cmpFqdnReturnsFalse($baseHost, $list)
    {
        self::assertFalse(GeneralUtility::cmpFQDN($baseHost, $list));
    }
 
    // Tests concerning inList
 
    public function ‪inListForItemContainedReturnsTrue($haystack)
    {
        self::assertTrue(GeneralUtility::inList($haystack, 'findme'));
    }
 
    public function ‪inListForItemContainedReturnsTrueDataProvider()
    {
        return [
            'Element as second element of four items' => ['one,findme,three,four'],
            'Element at beginning of list' => ['findme,one,two'],
            'Element at end of list' => ['one,two,findme'],
            'One item list' => ['findme']
        ];
    }
 
    public function ‪inListForItemNotContainedReturnsFalse($haystack)
    {
        self::assertFalse(GeneralUtility::inList($haystack, 'findme'));
    }
 
    public function ‪inListForItemNotContainedReturnsFalseDataProvider()
    {
        return [
            'Four item list' => ['one,two,three,four'],
            'One item list' => ['one'],
            'Empty list' => ['']
        ];
    }
 
    // Tests concerning rmFromList
 
    public function ‪rmFromListRemovesElementsFromCommaSeparatedList($initialList, $listWithElementRemoved)
    {
        self::assertSame($listWithElementRemoved, GeneralUtility::rmFromList('removeme', $initialList));
    }
 
    public function ‪rmFromListRemovesElementsFromCommaSeparatedListDataProvider()
    {
        return [
            'Element as second element of three' => ['one,removeme,two', 'one,two'],
            'Element at beginning of list' => ['removeme,one,two', 'one,two'],
            'Element at end of list' => ['one,two,removeme', 'one,two'],
            'One item list' => ['removeme', ''],
            'Element not contained in list' => ['one,two,three', 'one,two,three'],
            'Empty element survives' => ['one,,three,,removeme', 'one,,three,'],
            'Empty element survives at start' => [',removeme,three,removeme', ',three'],
            'Empty element survives at end' => ['removeme,three,removeme,', 'three,'],
            'Empty list' => ['', ''],
            'List contains removeme multiple times' => ['removeme,notme,removeme,removeme', 'notme'],
            'List contains removeme multiple times nothing else' => ['removeme,removeme,removeme', ''],
            'List contains removeme multiple times nothing else 2x' => ['removeme,removeme', ''],
            'List contains removeme multiple times nothing else 3x' => ['removeme,removeme,removeme', ''],
            'List contains removeme multiple times nothing else 4x' => ['removeme,removeme,removeme,removeme', ''],
            'List contains removeme multiple times nothing else 5x' => ['removeme,removeme,removeme,removeme,removeme', ''],
        ];
    }
 
    // Tests concerning expandList
 
    public function ‪expandListExpandsIntegerRanges($list, $expectation)
    {
        self::assertSame($expectation, GeneralUtility::expandList($list));
    }
 
    public function ‪expandListExpandsIntegerRangesDataProvider()
    {
        return [
            'Expand for the same number' => ['1,2-2,7', '1,2,7'],
            'Small range expand with parameters reversed ignores reversed items' => ['1,5-3,7', '1,7'],
            'Small range expand' => ['1,3-5,7', '1,3,4,5,7'],
            'Expand at beginning' => ['3-5,1,7', '3,4,5,1,7'],
            'Expand at end' => ['1,7,3-5', '1,7,3,4,5'],
            'Multiple small range expands' => ['1,3-5,7-10,12', '1,3,4,5,7,8,9,10,12'],
            'One item list' => ['1-5', '1,2,3,4,5'],
            'Nothing to expand' => ['1,2,3,4', '1,2,3,4'],
            'Empty list' => ['', '']
        ];
    }
 
    public function ‪expandListExpandsForTwoThousandElementsExpandsOnlyToThousandElementsMaximum()
    {
        $list = GeneralUtility::expandList('1-2000');
        self::assertSame(1000, count(explode(',', $list)));
    }
 
    // Tests concerning uniqueList
 
    public function ‪uniqueListUnifiesCommaSeparatedList($initialList, $unifiedList)
    {
        self::assertSame($unifiedList, GeneralUtility::uniqueList($initialList));
    }
 
    public function ‪uniqueListUnifiesCommaSeparatedListDataProvider()
    {
        return [
            'List without duplicates' => ['one,two,three', 'one,two,three'],
            'List with two consecutive duplicates' => ['one,two,two,three,three', 'one,two,three'],
            'List with non-consecutive duplicates' => ['one,two,three,two,three', 'one,two,three'],
            'One item list' => ['one', 'one'],
            'Empty list' => ['', '']
        ];
    }
 
    // Tests concerning isFirstPartOfStr
 
    public function ‪isFirstPartOfStrReturnsTrueForMatchingFirstPartDataProvider()
    {
        return [
            'match first part of string' => ['hello world', 'hello'],
            'match whole string' => ['hello', 'hello'],
            'integer is part of string with same number' => ['24', 24],
            'string is part of integer with same number' => [24, '24'],
            'integer is part of string starting with same number' => ['24 beer please', 24]
        ];
    }
 
    public function ‪isFirstPartOfStrReturnsTrueForMatchingFirstPart($string, $part)
    {
        self::assertTrue(GeneralUtility::isFirstPartOfStr($string, $part));
    }
 
    public function ‪isFirstPartOfStrReturnsFalseForNotMatchingFirstPartDataProvider()
    {
        return [
            'no string match' => ['hello', 'bye'],
            'no case sensitive string match' => ['hello world', 'Hello'],
            'array is not part of string' => ['string', []],
            'string is not part of array' => [[], 'string'],
            'NULL is not part of string' => ['string', null],
            'string is not part of NULL' => [null, 'string'],
            'NULL is not part of array' => [[], null],
            'array is not part of NULL' => [null, []],
            'empty string is not part of empty string' => ['', ''],
            'NULL is not part of empty string' => ['', null],
            'false is not part of empty string' => ['', false],
            'empty string is not part of NULL' => [null, ''],
            'empty string is not part of false' => [false, ''],
            'empty string is not part of zero integer' => [0, ''],
            'zero integer is not part of NULL' => [null, 0],
            'zero integer is not part of empty string' => ['', 0]
        ];
    }
 
    public function ‪isFirstPartOfStrReturnsFalseForNotMatchingFirstPart($string, $part)
    {
        self::assertFalse(GeneralUtility::isFirstPartOfStr($string, $part));
    }
 
    // Tests concerning formatSize
 
    public function ‪formatSizeTranslatesBytesToHigherOrderRepresentation($size, $labels, $base, $expected)
    {
        self::assertEquals($expected, GeneralUtility::formatSize($size, $labels, $base));
    }
 
    public function ‪formatSizeDataProvider()
    {
        return [
            'IEC Bytes stay bytes (min)' => [1, '', 0, '1 '],
            'IEC Bytes stay bytes (max)' => [921, '', 0, '921 '],
            'IEC Kilobytes are used (min)' => [922, '', 0, '0.90 Ki'],
            'IEC Kilobytes are used (max)' => [943718, '', 0, '922 Ki'],
            'IEC Megabytes are used (min)' => [943719, '', 0, '0.90 Mi'],
            'IEC Megabytes are used (max)' => [966367641, '', 0, '922 Mi'],
            'IEC Gigabytes are used (min)' => [966367642, '', 0, '0.90 Gi'],
            'IEC Gigabytes are used (max)' => [989560464998, '', 0, '922 Gi'],
            'IEC Decimal is omitted for large kilobytes' => [31080, '', 0, '30 Ki'],
            'IEC Decimal is omitted for large megabytes' => [31458000, '', 0, '30 Mi'],
            'IEC Decimal is omitted for large gigabytes' => [32212254720, '', 0, '30 Gi'],
            'SI Bytes stay bytes (min)' => [1, 'si', 0, '1 '],
            'SI Bytes stay bytes (max)' => [899, 'si', 0, '899 '],
            'SI Kilobytes are used (min)' => [901, 'si', 0, '0.90 k'],
            'SI Kilobytes are used (max)' => [900000, 'si', 0, '900 k'],
            'SI Megabytes are used (min)' => [900001, 'si', 0, '0.90 M'],
            'SI Megabytes are used (max)' => [900000000, 'si', 0, '900 M'],
            'SI Gigabytes are used (min)' => [900000001, 'si', 0, '0.90 G'],
            'SI Gigabytes are used (max)' => [900000000000, 'si', 0, '900 G'],
            'SI Decimal is omitted for large kilobytes' => [30000, 'si', 0, '30 k'],
            'SI Decimal is omitted for large megabytes' => [30000000, 'si', 0, '30 M'],
            'SI Decimal is omitted for large gigabytes' => [30000000000, 'si', 0, '30 G'],
            'Label for bytes can be exchanged (binary unit)' => [1, ' Foo|||', 0, '1 Foo'],
            'Label for kilobytes can be exchanged (binary unit)' => [1024, '| Foo||', 0, '1.00 Foo'],
            'Label for megabytes can be exchanged (binary unit)' => [1048576, '|| Foo|', 0, '1.00 Foo'],
            'Label for gigabytes can be exchanged (binary unit)' => [1073741824, '||| Foo', 0, '1.00 Foo'],
            'Label for bytes can be exchanged (decimal unit)' => [1, ' Foo|||', 1000, '1 Foo'],
            'Label for kilobytes can be exchanged (decimal unit)' => [1000, '| Foo||', 1000, '1.00 Foo'],
            'Label for megabytes can be exchanged (decimal unit)' => [1000000, '|| Foo|', 1000, '1.00 Foo'],
            'Label for gigabytes can be exchanged (decimal unit)' => [1000000000, '||| Foo', 1000, '1.00 Foo'],
            'IEC Base is ignored' => [1024, 'iec', 1000, '1.00 Ki'],
            'SI Base is ignored' => [1000, 'si', 1024, '1.00 k'],
            'Use binary base for unexpected base' => [2048, '| Bar||', 512, '2.00 Bar']
        ];
    }
 
    // Tests concerning splitCalc
 
    public function ‪splitCalcDataProvider()
    {
        return [
            'empty string returns empty array' => [
                [],
                ''
            ],
            'number without operator returns array with plus and number' => [
                [['+', '42']],
                '42'
            ],
            'two numbers with asterisk return first number with plus and second number with asterisk' => [
                [['+', '42'], ['*', '31']],
                '42 * 31'
            ]
        ];
    }
 
    public function ‪splitCalcCorrectlySplitsExpression(array $expected, string $expression): void
    {
        self::assertSame($expected, GeneralUtility::splitCalc($expression, '+-*/'));
    }
 
    // Tests concerning htmlspecialchars_decode
 
    public function ‪htmlspecialcharsDecodeReturnsDecodedString()
    {
        $string = '<typo3 version="6.0">&nbsp;</typo3>';
        $encoded = htmlspecialchars($string);
        $decoded = htmlspecialchars_decode($encoded);
        self::assertEquals($string, $decoded);
    }
 
    // Tests concerning validEmail
 
    public function ‪validEmailValidDataProvider()
    {
        return [
            'short mail address' => ['a@b.c'],
            'simple mail address' => ['test@example.com'],
            'uppercase characters' => ['QWERTYUIOPASDFGHJKLZXCVBNM@QWERTYUIOPASDFGHJKLZXCVBNM.NET'],
            'equal sign in local part' => ['test=mail@example.com'],
            'dash in local part' => ['test-mail@example.com'],
            'plus in local part' => ['test+mail@example.com'],
            'question mark in local part' => ['test?mail@example.com'],
            'slash in local part' => ['foo/bar@example.com'],
            'hash in local part' => ['foo#bar@example.com'],
            'dot in local part' => ['firstname.lastname@employee.2something.com'],
            'dash as local part' => ['-@foo.com'],
            'umlauts in domain part' => ['foo@äöüfoo.com'],
            'number as top level domain' => ['foo@bar.123'],
            'top level domain only' => ['test@localhost'],
            'umlauts in local part' => ['äöüfoo@bar.com'],
            'quoted @ char' => ['"Abc@def"@example.com'],
        ];
    }
 
    public function ‪validEmailReturnsTrueForValidMailAddress($address)
    {
        self::assertTrue(GeneralUtility::validEmail($address));
    }
 
    public function ‪validEmailInvalidDataProvider()
    {
        return [
            'empty string' => [''],
            'empty array' => [[]],
            'integer' => [42],
            'float' => [42.23],
            'array' => [['foo']],
            'object' => [new \stdClass()],
            '@ sign only' => ['@'],
            'string longer than 320 characters' => [str_repeat('0123456789', 33)],
            'duplicate @' => ['test@@example.com'],
            'duplicate @ combined with further special characters in local part' => ['test!.!@#$%^&*@example.com'],
            'opening parenthesis in local part' => ['foo(bar@example.com'],
            'closing parenthesis in local part' => ['foo)bar@example.com'],
            'opening square bracket in local part' => ['foo[bar@example.com'],
            'closing square bracket as local part' => [']@example.com'],
            'dash as second level domain' => ['foo@-.com'],
            'domain part starting with dash' => ['foo@-foo.com'],
            'domain part ending with dash' => ['foo@foo-.com'],
            'dot at beginning of domain part' => ['test@.com'],
            'local part ends with dot' => ['e.x.a.m.p.l.e.@example.com'],
            'trailing whitespace' => ['test@example.com '],
            'trailing carriage return' => ['test@example.com' . CR],
            'trailing linefeed' => ['test@example.com' . LF],
            'trailing carriage return linefeed' => ['test@example.com' . CRLF],
            'trailing tab' => ['test@example.com' . "\t"],
            'prohibited input characters' => ['“mailto:test@example.com”'],
            'escaped @ char' => ['abc\@def@example.com'], // known bug, see https://github.com/egulias/EmailValidator/issues/181
        ];
    }
 
    public function ‪validEmailReturnsFalseForInvalidMailAddress($address)
    {
        self::assertFalse(GeneralUtility::validEmail($address));
    }
 
    // Tests concerning intExplode
 
    public function ‪intExplodeConvertsStringsToInteger()
    {
        $testString = '1,foo,2';
        $expectedArray = [1, 0, 2];
        $actualArray = ‪GeneralUtility::intExplode(',', $testString);
        self::assertEquals($expectedArray, $actualArray);
    }
 
    // Tests concerning implodeArrayForUrl / explodeUrl2Array
 
    public function ‪implodeArrayForUrlDataProvider()
    {
        $valueArray = ['one' => '√', 'two' => 2];
        return [
            'Empty input' => ['foo', [], ''],
            'String parameters' => ['foo', $valueArray, '&foo[one]=%E2%88%9A&foo[two]=2'],
            'Nested array parameters' => ['foo', [$valueArray], '&foo[0][one]=%E2%88%9A&foo[0][two]=2'],
            'Keep blank parameters' => ['foo', ['one' => '√', ''], '&foo[one]=%E2%88%9A&foo[0]=']
        ];
    }
 
    public function ‪implodeArrayForUrlBuildsValidParameterString($name, $input, $expected)
    {
        self::assertSame($expected, ‪GeneralUtility::implodeArrayForUrl($name, $input));
    }
 
    public function ‪implodeArrayForUrlCanSkipEmptyParameters()
    {
        $input = ['one' => '√', ''];
        $expected = '&foo[one]=%E2%88%9A';
        self::assertSame($expected, ‪GeneralUtility::implodeArrayForUrl('foo', $input, '', true));
    }
 
    public function ‪implodeArrayForUrlCanUrlEncodeKeyNames()
    {
        $input = ['one' => '√', ''];
        $expected = '&foo%5Bone%5D=%E2%88%9A&foo%5B0%5D=';
        self::assertSame($expected, ‪GeneralUtility::implodeArrayForUrl('foo', $input, '', false, true));
    }
 
    public function ‪explodeUrl2ArrayTransformsParameterStringToFlatArray($input, $expected)
    {
        self::assertEquals($expected, GeneralUtility::explodeUrl2Array($input));
    }
 
    public function ‪explodeUrl2ArrayDataProvider()
    {
        return [
            'Empty string' => ['', []],
            'Simple parameter string' => ['&one=%E2%88%9A&two=2', ['one' => '√', 'two' => 2]],
            'Nested parameter string' => ['&foo[one]=%E2%88%9A&two=2', ['foo[one]' => '√', 'two' => 2]]
        ];
    }
 
    // Tests concerning compileSelectedGetVarsFromArray
 
    public function ‪compileSelectedGetVarsFromArrayFiltersIncomingData()
    {
        $filter = 'foo,bar';
        $getArray = ['foo' => 1, 'cake' => 'lie'];
        $expected = ['foo' => 1];
        $result = GeneralUtility::compileSelectedGetVarsFromArray($filter, $getArray, false);
        self::assertSame($expected, $result);
    }
 
    public function ‪compileSelectedGetVarsFromArrayUsesGetPostDataFallback()
    {
        $_GET['bar'] = '2';
        $filter = 'foo,bar';
        $getArray = ['foo' => 1, 'cake' => 'lie'];
        $expected = ['foo' => 1, 'bar' => '2'];
        $result = GeneralUtility::compileSelectedGetVarsFromArray($filter, $getArray, true);
        self::assertSame($expected, $result);
    }
 
    // Tests concerning revExplode
 
    public function ‪revExplodeDataProvider()
    {
        return [
            'limit 0 should return unexploded string' => [
                ':',
                'my:words:here',
                0,
                ['my:words:here']
            ],
            'limit 1 should return unexploded string' => [
                ':',
                'my:words:here',
                1,
                ['my:words:here']
            ],
            'limit 2 should return two pieces' => [
                ':',
                'my:words:here',
                2,
                ['my:words', 'here']
            ],
            'limit 3 should return unexploded string' => [
                ':',
                'my:words:here',
                3,
                ['my', 'words', 'here']
            ],
            'limit 0 should return unexploded string if no delimiter is contained' => [
                ':',
                'mywordshere',
                0,
                ['mywordshere']
            ],
            'limit 1 should return unexploded string if no delimiter is contained' => [
                ':',
                'mywordshere',
                1,
                ['mywordshere']
            ],
            'limit 2 should return unexploded string if no delimiter is contained' => [
                ':',
                'mywordshere',
                2,
                ['mywordshere']
            ],
            'limit 3 should return unexploded string if no delimiter is contained' => [
                ':',
                'mywordshere',
                3,
                ['mywordshere']
            ],
            'multi character delimiter is handled properly with limit 2' => [
                '[]',
                'a[b][c][d]',
                2,
                ['a[b][c', 'd]']
            ],
            'multi character delimiter is handled properly with limit 3' => [
                '[]',
                'a[b][c][d]',
                3,
                ['a[b', 'c', 'd]']
            ],
        ];
    }
 
    public function ‪revExplodeCorrectlyExplodesStringForGivenPartsCount($delimiter, $testString, $count, $expectedArray)
    {
        $actualArray = ‪GeneralUtility::revExplode($delimiter, $testString, $count);
        self::assertEquals($expectedArray, $actualArray);
    }
 
    public function ‪revExplodeRespectsLimitThreeWhenExploding()
    {
        $testString = 'even:more:of:my:words:here';
        $expectedArray = ['even:more:of:my', 'words', 'here'];
        $actualArray = ‪GeneralUtility::revExplode(':', $testString, 3);
        self::assertEquals($expectedArray, $actualArray);
    }
 
    // Tests concerning trimExplode
 
    public function ‪trimExplodeReturnsCorrectResult($delimiter, $testString, $removeEmpty, $limit, $expectedResult)
    {
        self::assertSame($expectedResult, ‪GeneralUtility::trimExplode($delimiter, $testString, $removeEmpty, $limit));
    }
 
    public function ‪trimExplodeReturnsCorrectResultDataProvider()
    {
        return [
            'spaces at element start and end' => [
                ',',
                ' a , b , c ,d ,,  e,f,',
                false,
                0,
                ['a', 'b', 'c', 'd', '', 'e', 'f', '']
            ],
            'removes newline' => [
                ',',
                ' a , b , ' . LF . ' ,d ,,  e,f,',
                true,
                0,
                ['a', 'b', 'd', 'e', 'f']
            ],
            'removes empty elements' => [
                ',',
                'a , b , c , ,d ,, ,e,f,',
                true,
                0,
                ['a', 'b', 'c', 'd', 'e', 'f']
            ],
            'keeps remaining results with empty items after reaching limit with positive parameter' => [
                ',',
                ' a , b , c , , d,, ,e ',
                false,
                3,
                ['a', 'b', 'c , , d,, ,e']
            ],
            'keeps remaining results without empty items after reaching limit with positive parameter' => [
                ',',
                ' a , b , c , , d,, ,e ',
                true,
                3,
                ['a', 'b', 'c , d,e']
            ],
            'keeps remaining results with empty items after reaching limit with negative parameter' => [
                ',',
                ' a , b , c , d, ,e, f , , ',
                false,
                -3,
                ['a', 'b', 'c', 'd', '', 'e']
            ],
            'keeps remaining results without empty items after reaching limit with negative parameter' => [
                ',',
                ' a , b , c , d, ,e, f , , ',
                true,
                -3,
                ['a', 'b', 'c']
            ],
            'returns exact results without reaching limit with positive parameter' => [
                ',',
                ' a , b , , c , , , ',
                true,
                4,
                ['a', 'b', 'c']
            ],
            'keeps zero as string' => [
                ',',
                'a , b , c , ,d ,, ,e,f, 0 ,',
                true,
                0,
                ['a', 'b', 'c', 'd', 'e', 'f', '0']
            ],
            'keeps whitespace inside elements' => [
                ',',
                'a , b , c , ,d ,, ,e,f, g h ,',
                true,
                0,
                ['a', 'b', 'c', 'd', 'e', 'f', 'g h']
            ],
            'can use internal regex delimiter as explode delimiter' => [
                '/',
                'a / b / c / /d // /e/f/ g h /',
                true,
                0,
                ['a', 'b', 'c', 'd', 'e', 'f', 'g h']
            ],
            'can use whitespaces as delimiter' => [
                ' ',
                '* * * * *',
                true,
                0,
                ['*', '*', '*', '*', '*']
            ],
            'can use words as delimiter' => [
                'All',
                'HelloAllTogether',
                true,
                0,
                ['Hello', 'Together']
            ],
            'can use word with appended and prepended spaces as delimiter' => [
                ' all   ',
                'Hello all   together',
                true,
                0,
                ['Hello', 'together']
            ],
            'can use word with appended and prepended spaces as delimiter and do not remove empty' => [
                ' all   ',
                'Hello all   together     all      there all       all   are  all    none',
                false,
                0,
                ['Hello', 'together', 'there', '', 'are', 'none']
            ],
            'can use word with appended and prepended spaces as delimiter, do not remove empty and limit' => [
                ' all   ',
                'Hello all   together     all      there all       all   are  all    none',
                false,
                5,
                ['Hello', 'together', 'there', '', 'are  all    none']
            ],
            'can use word with appended and prepended spaces as delimiter, do not remove empty, limit and multiple delimiter in last' => [
                ' all   ',
                'Hello all   together     all      there all       all   are  all    none',
                false,
                4,
                ['Hello', 'together', 'there', 'all   are  all    none']
            ],
            'can use word with appended and prepended spaces as delimiter, remove empty and limit' => [
                ' all   ',
                'Hello all   together     all      there all       all   are  all    none',
                true,
                4,
                ['Hello', 'together', 'there', 'are  all    none']
            ],
            'can use word with appended and prepended spaces as delimiter, remove empty and limit and multiple delimiter in last' => [
                ' all   ',
                'Hello all   together     all      there all       all   are  all    none',
                true,
                5,
                ['Hello', 'together', 'there', 'are' , 'none']
            ],
            'can use words as delimiter and do not remove empty' => [
                'all  there',
                'Helloall  theretogether  all  there    all  there   are   all  there     none',
                false,
                0,
                ['Hello', 'together', '', 'are', 'none']
            ],
            'can use words as delimiter, do not remove empty and limit' => [
                'all  there',
                'Helloall  theretogether  all  there    all  there    are   all  there     none',
                false,
                4,
                ['Hello', 'together', '', 'are   all  there     none']
            ],
            'can use words as delimiter, do not remove empty, limit and multiple delimiter in last' => [
                'all  there',
                'Helloall  theretogether  all  there    all  there    are   all  there     none',
                false,
                3,
                ['Hello', 'together', 'all  there    are   all  there     none']
            ],
            'can use words as delimiter, remove empty' => [
                'all  there',
                'Helloall  theretogether  all  there    all  there    are   all  there     none',
                true,
                0,
                ['Hello', 'together', 'are', 'none']
            ],
            'can use words as delimiter, remove empty and limit' => [
                'all  there',
                'Helloall  theretogether  all  there    all  there    are   all  there     none',
                true,
                3,
                ['Hello', 'together', 'are   all  there     none']
            ],
            'can use words as delimiter, remove empty and limit and multiple delimiter in last' => [
                'all  there',
                'Helloall  theretogether  all  there    all  there    are   all  there     none',
                true,
                4,
                ['Hello', 'together', 'are' , 'none']
            ],
            'can use new line as delimiter' => [
                LF,
                "Hello\nall\ntogether",
                true,
                0,
                ['Hello', 'all', 'together']
            ],
            'works with whitespace separator' => [
                "\t",
                " a  b \t c  \t  \t    d  \t  e     \t u j   \t s",
                false,
                0,
                ['a  b', 'c', '', 'd', 'e', 'u j', 's']
            ],
            'works with whitespace separator and limit' => [
                "\t",
                " a  b \t c  \t  \t    d  \t  e     \t u j   \t s",
                false,
                4,
                ['a  b', 'c', '', "d  \t  e     \t u j   \t s"]
            ],
            'works with whitespace separator and remove empty' => [
                "\t",
                " a  b \t c  \t  \t    d  \t  e     \t u j   \t s",
                true,
                0,
                ['a  b', 'c', 'd', 'e', 'u j', 's']
            ],
            'works with whitespace separator remove empty and limit' => [
                "\t",
                " a  b \t c  \t  \t    d  \t  e     \t u j   \t s",
                true,
                3,
                ['a  b', 'c', "d  \t  e     \t u j   \t s"]
            ],
        ];
    }
 
    // Tests concerning getBytesFromSizeMeasurement
 
    public function ‪getBytesFromSizeMeasurementDataProvider()
    {
        return [
            '100 kilo Bytes' => ['102400', '100k'],
            '100 mega Bytes' => ['104857600', '100m'],
            '100 giga Bytes' => ['107374182400', '100g']
        ];
    }
 
    public function ‪getBytesFromSizeMeasurementCalculatesCorrectByteValue($expected, $byteString)
    {
        self::assertEquals($expected, GeneralUtility::getBytesFromSizeMeasurement($byteString));
    }
 
    // Tests concerning getIndpEnv
 
    public function ‪getIndpEnvTypo3SitePathReturnNonEmptyString()
    {
        self::assertTrue(strlen(GeneralUtility::getIndpEnv('TYPO3_SITE_PATH')) >= 1);
    }
 
    public function ‪getIndpEnvTypo3SitePathReturnsStringStartingWithSlash()
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getBackendPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        $result = GeneralUtility::getIndpEnv('TYPO3_SITE_PATH');
        self::assertEquals('/', $result[0]);
    }
 
    public function ‪getIndpEnvTypo3SitePathReturnsStringStartingWithDrive()
    {
        $result = GeneralUtility::getIndpEnv('TYPO3_SITE_PATH');
        self::assertRegExp('/^[a-z]:\//i', $result);
    }
 
    public function ‪getIndpEnvTypo3SitePathReturnsStringEndingWithSlash()
    {
        $result = GeneralUtility::getIndpEnv('TYPO3_SITE_PATH');
        self::assertEquals('/', $result[strlen($result) - 1]);
    }
 
    public static function ‪hostnameAndPortDataProvider()
    {
        return [
            'localhost ipv4 without port' => ['127.0.0.1', '127.0.0.1', ''],
            'localhost ipv4 with port' => ['127.0.0.1:81', '127.0.0.1', '81'],
            'localhost ipv6 without port' => ['[::1]', '[::1]', ''],
            'localhost ipv6 with port' => ['[::1]:81', '[::1]', '81'],
            'ipv6 without port' => ['[2001:DB8::1]', '[2001:DB8::1]', ''],
            'ipv6 with port' => ['[2001:DB8::1]:81', '[2001:DB8::1]', '81'],
            'hostname without port' => ['lolli.did.this', 'lolli.did.this', ''],
            'hostname with port' => ['lolli.did.this:42', 'lolli.did.this', '42']
        ];
    }
 
    public function ‪getIndpEnvTypo3HostOnlyParsesHostnamesAndIpAddresses($httpHost, $expectedIp)
    {
        $_SERVER['HTTP_HOST'] = $httpHost;
        self::assertEquals($expectedIp, GeneralUtility::getIndpEnv('TYPO3_HOST_ONLY'));
    }
 
    public function ‪isAllowedHostHeaderValueReturnsFalseIfTrustedHostsIsNotConfigured()
    {
        unset(‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern']);
        self::assertFalse(‪GeneralUtilityFixture::isAllowedHostHeaderValue('evil.foo.bar'));
    }
 
    public static function ‪hostnamesMatchingTrustedHostsConfigurationDataProvider()
    {
        return [
            'hostname without port matching' => ['lolli.did.this', '.*\.did\.this'],
            'other hostname without port matching' => ['helmut.did.this', '.*\.did\.this'],
            'two different hostnames without port matching 1st host' => ['helmut.is.secure', '(helmut\.is\.secure|lolli\.is\.secure)'],
            'two different hostnames without port matching 2nd host' => ['lolli.is.secure', '(helmut\.is\.secure|lolli\.is\.secure)'],
            'hostname with port matching' => ['lolli.did.this:42', '.*\.did\.this:42'],
            'hostnames are case insensitive 1' => ['lolli.DID.this:42', '.*\.did.this:42'],
            'hostnames are case insensitive 2' => ['lolli.did.this:42', '.*\.DID.this:42'],
        ];
    }
 
    public static function ‪hostnamesNotMatchingTrustedHostsConfigurationDataProvider()
    {
        return [
            'hostname without port' => ['lolli.did.this', 'helmut\.did\.this'],
            'hostname with port, but port not allowed' => ['lolli.did.this:42', 'helmut\.did\.this'],
            'two different hostnames in pattern but host header starts with different value #1' => ['sub.helmut.is.secure', '(helmut\.is\.secure|lolli\.is\.secure)'],
            'two different hostnames in pattern but host header starts with different value #2' => ['sub.lolli.is.secure', '(helmut\.is\.secure|lolli\.is\.secure)'],
            'two different hostnames in pattern but host header ends with different value #1' => ['helmut.is.secure.tld', '(helmut\.is\.secure|lolli\.is\.secure)'],
            'two different hostnames in pattern but host header ends with different value #2' => ['lolli.is.secure.tld', '(helmut\.is\.secure|lolli\.is\.secure)'],
        ];
    }
 
    public function ‪isAllowedHostHeaderValueReturnsTrueIfHostValueMatches($httpHost, $hostNamePattern)
    {
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = $hostNamePattern;
        self::assertTrue(‪GeneralUtilityFixture::isAllowedHostHeaderValue($httpHost));
    }
 
    public function ‪isAllowedHostHeaderValueReturnsFalseIfHostValueMatches($httpHost, $hostNamePattern)
    {
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = $hostNamePattern;
        self::assertFalse(‪GeneralUtilityFixture::isAllowedHostHeaderValue($httpHost));
    }
 
    public function ‪serverNamePatternDataProvider()
    {
        return [
            'host value matches server name and server port is default http' => [
                'httpHost' => 'secure.web.server',
                'serverName' => 'secure.web.server',
                'isAllowed' => true,
                'serverPort' => '80',
                'ssl' => 'Off',
            ],
            'host value matches server name if compared case insensitive 1' => [
                'httpHost' => 'secure.web.server',
                'serverName' => 'secure.WEB.server',
                'isAllowed' => true,
            ],
            'host value matches server name if compared case insensitive 2' => [
                'httpHost' => 'secure.WEB.server',
                'serverName' => 'secure.web.server',
                'isAllowed' => true,
            ],
            'host value matches server name and server port is default https' => [
                'httpHost' => 'secure.web.server',
                'serverName' => 'secure.web.server',
                'isAllowed' => true,
                'serverPort' => '443',
                'ssl' => 'On',
            ],
            'host value matches server name and server port' => [
                'httpHost' => 'secure.web.server:88',
                'serverName' => 'secure.web.server',
                'isAllowed' => true,
                'serverPort' => '88',
            ],
            'host value matches server name case insensitive 1 and server port' => [
                'httpHost' => 'secure.WEB.server:88',
                'serverName' => 'secure.web.server',
                'isAllowed' => true,
                'serverPort' => '88',
            ],
            'host value matches server name case insensitive 2 and server port' => [
                'httpHost' => 'secure.web.server:88',
                'serverName' => 'secure.WEB.server',
                'isAllowed' => true,
                'serverPort' => '88',
            ],
            'host value is ipv6 but matches server name and server port' => [
                'httpHost' => '[::1]:81',
                'serverName' => '[::1]',
                'isAllowed' => true,
                'serverPort' => '81',
            ],
            'host value does not match server name' => [
                'httpHost' => 'insecure.web.server',
                'serverName' => 'secure.web.server',
                'isAllowed' => false,
            ],
            'host value does not match server port' => [
                'httpHost' => 'secure.web.server:88',
                'serverName' => 'secure.web.server',
                'isAllowed' => false,
                'serverPort' => '89',
            ],
            'host value has default port that does not match server port' => [
                'httpHost' => 'secure.web.server',
                'serverName' => 'secure.web.server',
                'isAllowed' => false,
                'serverPort' => '81',
                'ssl' => 'Off',
            ],
            'host value has default port that does not match server ssl port' => [
                'httpHost' => 'secure.web.server',
                'serverName' => 'secure.web.server',
                'isAllowed' => false,
                'serverPort' => '444',
                'ssl' => 'On',
            ],
        ];
    }
 
    public function ‪isAllowedHostHeaderValueWorksCorrectlyWithWithServerNamePattern($httpHost, $serverName, $isAllowed, $serverPort = '80', $ssl = 'Off')
    {
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = ‪GeneralUtility::ENV_TRUSTED_HOSTS_PATTERN_SERVER_NAME;
        $_SERVER['SERVER_NAME'] = $serverName;
        $_SERVER['SERVER_PORT'] = $serverPort;
        $_SERVER['HTTPS'] = $ssl;
        self::assertSame($isAllowed, ‪GeneralUtilityFixture::isAllowedHostHeaderValue($httpHost));
    }
 
    public function ‪isAllowedHostHeaderValueWorksCorrectlyWithWithServerNamePatternAndSslProxy($httpHost, $serverName, $isAllowed, $serverPort = '80', $ssl = 'Off')
    {
        $backup = ['sys' => ‪$GLOBALS['TYPO3_CONF_VARS']['SYS'], 'server' => $_SERVER];
 
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = ‪GeneralUtility::ENV_TRUSTED_HOSTS_PATTERN_SERVER_NAME;
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['reverseProxySSL'] = '*';
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['reverseProxyIP'] = '10.0.0.1';
 
        $_SERVER['REMOTE_ADDR'] = '10.0.0.1';
        $_SERVER['SERVER_NAME'] = $serverName;
        $_SERVER['SERVER_PORT'] = $serverPort;
        $_SERVER['HTTPS'] = $ssl;
 
        self::assertSame($isAllowed, ‪GeneralUtilityFixture::isAllowedHostHeaderValue($httpHost));
 
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS'] = $backup['sys'];
        $_SERVER = $backup['server'];
    }
 
    public function ‪allGetIndpEnvCallsRelatedToHostNamesCallIsAllowedHostHeaderValue()
    {
        GeneralUtilityFixture::getIndpEnv('HTTP_HOST');
        GeneralUtility::flushInternalRuntimeCaches();
        GeneralUtilityFixture::getIndpEnv('TYPO3_HOST_ONLY');
        GeneralUtility::flushInternalRuntimeCaches();
        GeneralUtilityFixture::getIndpEnv('TYPO3_REQUEST_HOST');
        GeneralUtility::flushInternalRuntimeCaches();
        GeneralUtilityFixture::getIndpEnv('TYPO3_REQUEST_URL');
        self::assertSame(4, ‪GeneralUtilityFixture::$isAllowedHostHeaderValueCallCount);
    }
 
    public function ‪getIndpEnvForHostThrowsExceptionForNotAllowedHostnameValues($httpHost, $hostNamePattern)
    {
        $this->expectException(\UnexpectedValueException::class);
        $this->expectExceptionCode(1396795884);
        $_SERVER['HTTP_HOST'] = $httpHost;
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = $hostNamePattern;
        GeneralUtilityFixture::getIndpEnv('HTTP_HOST');
    }
 
    public function ‪getIndpEnvForHostAllowsAllHostnameValuesIfHostPatternIsSetToAllowAll($httpHost, $hostNamePattern)
    {
        $_SERVER['HTTP_HOST'] = $httpHost;
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = ‪GeneralUtility::ENV_TRUSTED_HOSTS_PATTERN_ALLOW_ALL;
        self::assertSame($httpHost, GeneralUtility::getIndpEnv('HTTP_HOST'));
    }
 
    public function ‪getIndpEnvTypo3PortParsesHostnamesAndIpAddresses($httpHost, $dummy, $expectedPort)
    {
        $_SERVER['HTTP_HOST'] = $httpHost;
        self::assertEquals($expectedPort, GeneralUtility::getIndpEnv('TYPO3_PORT'));
    }
 
    // Tests concerning underscoredToUpperCamelCase
 
    public function ‪underscoredToUpperCamelCaseDataProvider()
    {
        return [
            'single word' => ['Blogexample', 'blogexample'],
            'multiple words' => ['BlogExample', 'blog_example']
        ];
    }
 
    public function ‪underscoredToUpperCamelCase($expected, $inputString)
    {
        self::assertEquals($expected, ‪GeneralUtility::underscoredToUpperCamelCase($inputString));
    }
 
    // Tests concerning underscoredToLowerCamelCase
 
    public function ‪underscoredToLowerCamelCaseDataProvider()
    {
        return [
            'single word' => ['minimalvalue', 'minimalvalue'],
            'multiple words' => ['minimalValue', 'minimal_value']
        ];
    }
 
    public function ‪underscoredToLowerCamelCase($expected, $inputString)
    {
        self::assertEquals($expected, ‪GeneralUtility::underscoredToLowerCamelCase($inputString));
    }
 
    // Tests concerning camelCaseToLowerCaseUnderscored
 
    public function ‪camelCaseToLowerCaseUnderscoredDataProvider()
    {
        return [
            'single word' => ['blogexample', 'blogexample'],
            'single word starting upper case' => ['blogexample', 'Blogexample'],
            'two words starting lower case' => ['minimal_value', 'minimalValue'],
            'two words starting upper case' => ['blog_example', 'BlogExample']
        ];
    }
 
    public function ‪camelCaseToLowerCaseUnderscored($expected, $inputString)
    {
        self::assertEquals($expected, ‪GeneralUtility::camelCaseToLowerCaseUnderscored($inputString));
    }
 
    // Tests concerning isValidUrl
 
    public function ‪validUrlValidResourceDataProvider()
    {
        return [
            'http' => ['http://www.example.org/'],
            'http without trailing slash' => ['http://qwe'],
            'http directory with trailing slash' => ['http://www.example/img/dir/'],
            'http directory without trailing slash' => ['http://www.example/img/dir'],
            'http index.html' => ['http://example.com/index.html'],
            'http index.php' => ['http://www.example.com/index.php'],
            'http test.png' => ['http://www.example/img/test.png'],
            'http username password querystring and anchor' => ['https://user:pw@www.example.org:80/path?arg=value#fragment'],
            'file' => ['file:///tmp/test.c'],
            'file directory' => ['file://foo/bar'],
            'ftp directory' => ['ftp://ftp.example.com/tmp/'],
            'mailto' => ['mailto:foo@bar.com'],
            'news' => ['news:news.php.net'],
            'telnet' => ['telnet://192.0.2.16:80/'],
            'ldap' => ['ldap://[2001:db8::7]/c=GB?objectClass?one'],
            'http punycode domain name' => ['http://www.xn--bb-eka.at'],
            'http punicode subdomain' => ['http://xn--h-zfa.oebb.at'],
            'http domain-name umlauts' => ['http://www.öbb.at'],
            'http subdomain umlauts' => ['http://äh.oebb.at'],
        ];
    }
 
    public function ‪validURLReturnsTrueForValidResource($url)
    {
        self::assertTrue(‪GeneralUtility::isValidUrl($url));
    }
 
    public function ‪isValidUrlInvalidResourceDataProvider()
    {
        return [
            'http missing colon' => ['http//www.example/wrong/url/'],
            'http missing slash' => ['http:/www.example'],
            'hostname only' => ['www.example.org/'],
            'file missing protocol specification' => ['/tmp/test.c'],
            'slash only' => ['/'],
            'string http://' => ['http://'],
            'string http:/' => ['http:/'],
            'string http:' => ['http:'],
            'string http' => ['http'],
            'empty string' => [''],
            'string -1' => ['-1'],
            'string array()' => ['array()'],
            'random string' => ['qwe'],
            'http directory umlauts' => ['http://www.oebb.at/äöü/'],
            'prohibited input characters' => ['https://{$unresolved_constant}'],
        ];
    }
 
    public function ‪validURLReturnsFalseForInvalidResource($url)
    {
        self::assertFalse(‪GeneralUtility::isValidUrl($url));
    }
 
    // Tests concerning isOnCurrentHost
 
    public function ‪isOnCurrentHostReturnsTrueWithCurrentHost()
    {
        $testUrl = GeneralUtility::getIndpEnv('TYPO3_REQUEST_URL');
        self::assertTrue(GeneralUtility::isOnCurrentHost($testUrl));
    }
 
    public function ‪checkisOnCurrentHostInvalidHosts()
    {
        return [
            'empty string' => [''],
            'arbitrary string' => ['arbitrary string'],
            'localhost IP' => ['127.0.0.1'],
            'relative path' => ['./relpath/file.txt'],
            'absolute path' => ['/abspath/file.txt?arg=value'],
            'different host' => [GeneralUtility::getIndpEnv('TYPO3_REQUEST_HOST') . '.example.org']
        ];
    }
 
    // Tests concerning sanitizeLocalUrl
 
    public function ‪sanitizeLocalUrlValidPathsDataProvider()
    {
        return [
            'alt_intro.php' => ['alt_intro.php'],
            'alt_intro.php?foo=1&bar=2' => ['alt_intro.php?foo=1&bar=2'],
            '../index.php' => ['../index.php'],
            '../typo3/alt_intro.php' => ['../typo3/alt_intro.php'],
            '../~userDirectory/index.php' => ['../~userDirectory/index.php'],
            '../typo3/index.php?var1=test-case&var2=~user' => ['../typo3/index.php?var1=test-case&var2=~user'],
            ‪Environment::getPublicPath() . '/typo3/alt_intro.php' => [‪Environment::getPublicPath() . '/typo3/alt_intro.php'],
        ];
    }
 
    public function ‪sanitizeLocalUrlAcceptsNotEncodedValidPaths($path)
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getBackendPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        self::assertEquals($path, GeneralUtility::sanitizeLocalUrl($path));
    }
 
    public function ‪sanitizeLocalUrlAcceptsEncodedValidPaths($path)
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getBackendPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        self::assertEquals(rawurlencode($path), GeneralUtility::sanitizeLocalUrl(rawurlencode($path)));
    }
 
    public function ‪sanitizeLocalUrlValidUrlsDataProvider()
    {
        return [
            '/cms/typo3/alt_intro.php' => [
                '/cms/typo3/alt_intro.php',
                'localhost',
                '/cms/',
            ],
            '/cms/index.php' => [
                '/cms/index.php',
                'localhost',
                '/cms/',
            ],
            'http://localhost/typo3/alt_intro.php' => [
                'http://localhost/typo3/alt_intro.php',
                'localhost',
                '',
            ],
            'http://localhost/cms/typo3/alt_intro.php' => [
                'http://localhost/cms/typo3/alt_intro.php',
                'localhost',
                '/cms/',
            ],
        ];
    }
 
    public function ‪sanitizeLocalUrlAcceptsNotEncodedValidUrls($url, $host, $subDirectory)
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getBackendPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        $_SERVER['HTTP_HOST'] = $host;
        $_SERVER['SCRIPT_NAME'] = $subDirectory . 'typo3/index.php';
        self::assertEquals($url, GeneralUtility::sanitizeLocalUrl($url));
    }
 
    public function ‪sanitizeLocalUrlAcceptsEncodedValidUrls($url, $host, $subDirectory)
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getBackendPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        $_SERVER['HTTP_HOST'] = $host;
        $_SERVER['SCRIPT_NAME'] = $subDirectory . 'typo3/index.php';
        self::assertEquals(rawurlencode($url), GeneralUtility::sanitizeLocalUrl(rawurlencode($url)));
    }
 
    public function ‪sanitizeLocalUrlInvalidDataProvider()
    {
        return [
            'empty string' => [''],
            'http domain' => ['http://www.google.de/'],
            'https domain' => ['https://www.google.de/'],
            'domain without schema' => ['//www.google.de/'],
            'XSS attempt' => ['" onmouseover="alert(123)"'],
            'invalid URL, UNC path' => ['\\\\foo\\bar\\'],
            'invalid URL, HTML break out attempt' => ['" >blabuubb'],
            'base64 encoded string' => ['data:%20text/html;base64,PHNjcmlwdD5hbGVydCgnWFNTJyk8L3NjcmlwdD4='],
        ];
    }
 
    public function ‪sanitizeLocalUrlDeniesPlainInvalidUrlsInBackendContext(string $url): void
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getBackendPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        $_SERVER['HTTP_HOST'] = 'localhost';
        $_SERVER['SCRIPT_NAME'] = 'typo3/index.php';
        self::assertEquals('', GeneralUtility::sanitizeLocalUrl($url));
    }
 
    public function ‪sanitizeLocalUrlDeniesPlainInvalidUrlsInFrontendContext(string $url): void
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getPublicPath() . '/index.php',
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        $_SERVER['HTTP_HOST'] = 'localhost';
        $_SERVER['SCRIPT_NAME'] = 'index.php';
        self::assertEquals('', GeneralUtility::sanitizeLocalUrl($url));
    }
 
    public function ‪sanitizeLocalUrlDeniesEncodedInvalidUrls($url)
    {
        self::assertEquals('', GeneralUtility::sanitizeLocalUrl(rawurlencode($url)));
    }
 
    // Tests concerning unlink_tempfile
 
    public function ‪unlink_tempfileRemovesValidFileInTypo3temp()
    {
        $fixtureFile = __DIR__ . '/Fixtures/clear.gif';
        $testFilename = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test_') . '.gif';
        @copy($fixtureFile, $testFilename);
        GeneralUtility::unlink_tempfile($testFilename);
        $fileExists = file_exists($testFilename);
        self::assertFalse($fileExists);
    }
 
    public function ‪unlink_tempfileRemovesHiddenFile()
    {
        $fixtureFile = __DIR__ . '/Fixtures/clear.gif';
        $testFilename = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('.test_') . '.gif';
        @copy($fixtureFile, $testFilename);
        GeneralUtility::unlink_tempfile($testFilename);
        $fileExists = file_exists($testFilename);
        self::assertFalse($fileExists);
    }
 
    public function ‪unlink_tempfileReturnsTrueIfFileWasRemoved()
    {
        $fixtureFile = __DIR__ . '/Fixtures/clear.gif';
        $testFilename = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('test_') . '.gif';
        @copy($fixtureFile, $testFilename);
        $returnValue = GeneralUtility::unlink_tempfile($testFilename);
        self::assertTrue($returnValue);
    }
 
    public function ‪unlink_tempfileReturnsNullIfFileDoesNotExist()
    {
        $returnValue = GeneralUtility::unlink_tempfile(‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('i_do_not_exist'));
        self::assertNull($returnValue);
    }
 
    public function ‪unlink_tempfileReturnsNullIfFileIsNowWithinTypo3temp()
    {
        $returnValue = GeneralUtility::unlink_tempfile('/tmp/typo3-unit-test-unlink_tempfile');
        self::assertNull($returnValue);
    }
 
    // Tests concerning tempnam
 
    public function ‪tempnamReturnsPathStartingWithGivenPrefix()
    {
        $filePath = GeneralUtility::tempnam('foo');
        $this->testFilesToDelete[] = $filePath;
        $fileName = basename($filePath);
        self::assertStringStartsWith('foo', $fileName);
    }
 
    public function ‪tempnamReturnsPathWithoutBackslashes()
    {
        $filePath = GeneralUtility::tempnam('foo');
        $this->testFilesToDelete[] = $filePath;
        self::assertStringNotContainsString('\\', $filePath);
    }
 
    public function ‪tempnamReturnsAbsolutePathInVarPath()
    {
        $filePath = GeneralUtility::tempnam('foo');
        $this->testFilesToDelete[] = $filePath;
        self::assertStringStartsWith(‪Environment::getVarPath() . '/transient/', $filePath);
    }
 
    // Tests concerning removeDotsFromTS
 
    public function ‪removeDotsFromTypoScriptSucceedsWithDottedArray()
    {
        $typoScript = [
            'propertyA.' => [
                'keyA.' => [
                    'valueA' => 1
                ],
                'keyB' => 2
            ],
            'propertyB' => 3
        ];
        $expectedResult = [
            'propertyA' => [
                'keyA' => [
                    'valueA' => 1
                ],
                'keyB' => 2
            ],
            'propertyB' => 3
        ];
        self::assertEquals($expectedResult, GeneralUtility::removeDotsFromTS($typoScript));
    }
 
    public function ‪removeDotsFromTypoScriptOverridesSubArray()
    {
        $typoScript = [
            'propertyA.' => [
                'keyA' => 'getsOverridden',
                'keyA.' => [
                    'valueA' => 1
                ],
                'keyB' => 2
            ],
            'propertyB' => 3
        ];
        $expectedResult = [
            'propertyA' => [
                'keyA' => [
                    'valueA' => 1
                ],
                'keyB' => 2
            ],
            'propertyB' => 3
        ];
        self::assertEquals($expectedResult, GeneralUtility::removeDotsFromTS($typoScript));
    }
 
    public function ‪removeDotsFromTypoScriptOverridesWithScalar()
    {
        $typoScript = [
            'propertyA.' => [
                'keyA.' => [
                    'valueA' => 1
                ],
                'keyA' => 'willOverride',
                'keyB' => 2
            ],
            'propertyB' => 3
        ];
        $expectedResult = [
            'propertyA' => [
                'keyA' => 'willOverride',
                'keyB' => 2
            ],
            'propertyB' => 3
        ];
        self::assertEquals($expectedResult, GeneralUtility::removeDotsFromTS($typoScript));
    }
 
    // Tests concerning get_dirs
 
    public function ‪getDirsReturnsArrayOfDirectoriesFromGivenDirectory()
    {
        $directories = ‪GeneralUtility::get_dirs(‪Environment::getLegacyConfigPath() . '/');
        self::assertIsArray($directories);
    }
 
    public function ‪getDirsReturnsStringErrorOnPathFailure()
    {
        $path = 'foo';
        $result = ‪GeneralUtility::get_dirs($path);
        $expectedResult = 'error';
        self::assertEquals($expectedResult, $result);
    }
 
    // Tests concerning hmac
 
    public function ‪hmacReturnsHashOfProperLength()
    {
        $hmac = GeneralUtility::hmac('message');
        self::assertTrue(!empty($hmac) && is_string($hmac));
        self::assertTrue(strlen($hmac) == 40);
    }
 
    public function ‪hmacReturnsEqualHashesForEqualInput()
    {
        $msg0 = 'message';
        $msg1 = 'message';
        self::assertEquals(GeneralUtility::hmac($msg0), GeneralUtility::hmac($msg1));
    }
 
    public function ‪hmacReturnsNoEqualHashesForNonEqualInput()
    {
        $msg0 = 'message0';
        $msg1 = 'message1';
        self::assertNotEquals(GeneralUtility::hmac($msg0), GeneralUtility::hmac($msg1));
    }
 
    // Tests concerning quoteJSvalue
 
    public function ‪quoteJsValueDataProvider()
    {
        return [
            'Immune characters are returned as is' => [
                '._,',
                '._,'
            ],
            'Alphanumerical characters are returned as is' => [
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',
                'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
            ],
            'Angle brackets and ampersand are encoded' => [
                '<>&',
                '\\u003C\\u003E\\u0026'
            ],
            'Quotes and backslashes are encoded' => [
                '"\'\\',
                '\\u0022\\u0027\\u005C'
            ],
            'Forward slashes are escaped' => [
                '</script>',
                '\\u003C\\/script\\u003E'
            ],
            'Empty string stays empty' => [
                '',
                ''
            ],
            'Exclamation mark and space are properly encoded' => [
                'Hello World!',
                'Hello\\u0020World\\u0021'
            ],
            'Whitespaces are properly encoded' => [
                "\t" . LF . CR . ' ',
                '\\u0009\\u000A\\u000D\\u0020'
            ],
            'Null byte is properly encoded' => [
                "\0",
                '\\u0000'
            ],
            'Umlauts are properly encoded' => [
                'ÜüÖöÄä',
                '\\u00dc\\u00fc\\u00d6\\u00f6\\u00c4\\u00e4'
            ]
        ];
    }
 
    public function ‪quoteJsValueTest($input, $expected)
    {
        self::assertSame('\'' . $expected . '\'', GeneralUtility::quoteJSvalue($input));
    }
 
    // Tests concerning minifyJavaScript
 
    public function ‪minifyJavaScriptReturnsInputStringIfNoHookIsRegistered()
    {
        unset(‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_div.php']['minifyJavaScript']);
        $testString = ‪StringUtility::getUniqueId('string');
        self::assertSame($testString, ‪GeneralUtility::minifyJavaScript($testString));
    }
 
    // Tests concerning fixPermissions
 
    public function ‪fixPermissionsSetsGroup()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test file
        $filename = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::writeFileToTypo3tempDir($filename, '42');
        $currentGroupId = posix_getegid();
        // Set target group and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['createGroup'] = $currentGroupId;
        ‪GeneralUtilityFilesystemFixture::fixPermissions($filename);
        clearstatcache();
        self::assertEquals($currentGroupId, filegroup($filename));
    }
 
    public function ‪fixPermissionsSetsPermissionsToFile()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test file
        $filename = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::writeFileToTypo3tempDir($filename, '42');
        chmod($filename, 482);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask'] = '0660';
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($filename);
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0660', substr(decoct(fileperms($filename)), 2));
    }
 
    public function ‪fixPermissionsSetsPermissionsToHiddenFile()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test file
        $filename = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::writeFileToTypo3tempDir($filename, '42');
        chmod($filename, 482);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask'] = '0660';
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($filename);
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0660', substr(decoct(fileperms($filename)), 2));
    }
 
    public function ‪fixPermissionsSetsPermissionsToDirectory()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test directory
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        chmod($directory, 1551);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0770';
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($directory);
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0770', substr(decoct(fileperms($directory)), 1));
    }
 
    public function ‪fixPermissionsSetsPermissionsToDirectoryWithTrailingSlash()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test directory
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        chmod($directory, 1551);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0770';
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($directory . '/');
        // Get actual permissions and clean up
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0770', substr(decoct(fileperms($directory)), 1));
    }
 
    public function ‪fixPermissionsSetsPermissionsToHiddenDirectory()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test directory
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        chmod($directory, 1551);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0770';
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($directory);
        // Get actual permissions and clean up
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0770', substr(decoct(fileperms($directory)), 1));
    }
 
    public function ‪fixPermissionsCorrectlySetsPermissionsRecursive()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test directory and file structure
        $baseDirectory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::mkdir($baseDirectory);
        chmod($baseDirectory, 1751);
        ‪GeneralUtilityFilesystemFixture::writeFileToTypo3tempDir($baseDirectory . '/file', '42');
        chmod($baseDirectory . '/file', 482);
        ‪GeneralUtilityFilesystemFixture::mkdir($baseDirectory . '/foo');
        chmod($baseDirectory . '/foo', 1751);
        ‪GeneralUtilityFilesystemFixture::writeFileToTypo3tempDir($baseDirectory . '/foo/file', '42');
        chmod($baseDirectory . '/foo/file', 482);
        ‪GeneralUtilityFilesystemFixture::mkdir($baseDirectory . '/.bar');
        chmod($baseDirectory . '/.bar', 1751);
        // Use this if writeFileToTypo3tempDir is fixed to create hidden files in subdirectories
        // \TYPO3\CMS\Core\Utility\GeneralUtility::writeFileToTypo3tempDir($baseDirectory . '/.bar/.file', '42');
        // \TYPO3\CMS\Core\Utility\GeneralUtility::writeFileToTypo3tempDir($baseDirectory . '/.bar/..file2', '42');
        touch($baseDirectory . '/.bar/.file', '42');
        chmod($baseDirectory . '/.bar/.file', 482);
        touch($baseDirectory . '/.bar/..file2', '42');
        chmod($baseDirectory . '/.bar/..file2', 482);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask'] = '0660';
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0770';
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($baseDirectory, true);
        // Get actual permissions
        clearstatcache();
        $resultBaseDirectoryPermissions = substr(decoct(fileperms($baseDirectory)), 1);
        $resultBaseFilePermissions = substr(decoct(fileperms($baseDirectory . '/file')), 2);
        $resultFooDirectoryPermissions = substr(decoct(fileperms($baseDirectory . '/foo')), 1);
        $resultFooFilePermissions = substr(decoct(fileperms($baseDirectory . '/foo/file')), 2);
        $resultBarDirectoryPermissions = substr(decoct(fileperms($baseDirectory . '/.bar')), 1);
        $resultBarFilePermissions = substr(decoct(fileperms($baseDirectory . '/.bar/.file')), 2);
        $resultBarFile2Permissions = substr(decoct(fileperms($baseDirectory . '/.bar/..file2')), 2);
        // Test if everything was ok
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0770', $resultBaseDirectoryPermissions);
        self::assertEquals('0660', $resultBaseFilePermissions);
        self::assertEquals('0770', $resultFooDirectoryPermissions);
        self::assertEquals('0660', $resultFooFilePermissions);
        self::assertEquals('0770', $resultBarDirectoryPermissions);
        self::assertEquals('0660', $resultBarFilePermissions);
        self::assertEquals('0660', $resultBarFile2Permissions);
    }
 
    public function ‪fixPermissionsDoesNotSetPermissionsToNotAllowedPath()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        // Create and prepare test file
        $filename = ‪Environment::getVarPath() . '/tests/../../../typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_');
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask'] = '0660';
        $fixPermissionsResult = ‪GeneralUtility::fixPermissions($filename);
        self::assertFalse($fixPermissionsResult);
    }
 
    public function ‪fixPermissionsSetsPermissionsWithRelativeFileReference()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $filename = 'typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtility::writeFileToTypo3tempDir(‪Environment::getPublicPath() . '/' . $filename, '42');
        $this->testFilesToDelete[] = ‪Environment::getPublicPath() . '/' . $filename;
        chmod(‪Environment::getPublicPath() . '/' . $filename, 482);
        // Set target permissions and run method
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask'] = '0660';
        $fixPermissionsResult = ‪GeneralUtility::fixPermissions($filename);
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0660', substr(decoct(fileperms(‪Environment::getPublicPath() . '/' . $filename)), 2));
    }
 
    public function ‪fixPermissionsSetsDefaultPermissionsToFile()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $filename = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::writeFileToTypo3tempDir($filename, '42');
        chmod($filename, 482);
        unset(‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fileCreateMask']);
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($filename);
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0644', substr(decoct(fileperms($filename)), 2));
    }
 
    public function ‪fixPermissionsSetsDefaultPermissionsToDirectory()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        chmod($directory, 1551);
        unset(‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask']);
        $fixPermissionsResult = ‪GeneralUtilityFilesystemFixture::fixPermissions($directory);
        clearstatcache();
        self::assertTrue($fixPermissionsResult);
        self::assertEquals('0755', substr(decoct(fileperms($directory)), 1));
    }
 
    // Tests concerning mkdir
 
    public function ‪mkdirCreatesDirectory()
    {
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        $mkdirResult = ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        clearstatcache();
        self::assertTrue($mkdirResult);
        self::assertTrue(is_dir($directory));
    }
 
    public function ‪mkdirCreatesHiddenDirectory()
    {
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('.test_');
        $mkdirResult = ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        clearstatcache();
        self::assertTrue($mkdirResult);
        self::assertTrue(is_dir($directory));
    }
 
    public function ‪mkdirCreatesDirectoryWithTrailingSlash()
    {
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_') . '/';
        $mkdirResult = ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        clearstatcache();
        self::assertTrue($mkdirResult);
        self::assertTrue(is_dir($directory));
    }
 
    public function ‪mkdirSetsPermissionsOfCreatedDirectory()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        $oldUmask = umask(19);
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0772';
        ‪GeneralUtilityFilesystemFixture::mkdir($directory);
        clearstatcache();
        $resultDirectoryPermissions = substr(decoct(fileperms($directory)), 1);
        umask($oldUmask);
        self::assertEquals($resultDirectoryPermissions, '0772');
    }
 
    public function ‪mkdirSetsGroupOwnershipOfCreatedDirectory()
    {
        $swapGroup = $this->‪checkGroups(__FUNCTION__);
        if ($swapGroup !== false) {
            ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['createGroup'] = $swapGroup;
            $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('mkdirtest_');
            ‪GeneralUtilityFilesystemFixture::mkdir($directory);
            clearstatcache();
            $resultDirectoryGroup = filegroup($directory);
            self::assertEquals($resultDirectoryGroup, $swapGroup);
        }
    }
 
    // Helper function for filesystem ownership tests
 
    private function ‪checkGroups($methodName)
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
            return false;
        }
        $groups = posix_getgroups();
        if (count($groups) <= 1) {
            self::markTestSkipped($methodName . '() test cannot be done when the web server user is only member of 1 group.');
            return false;
        }
        $secondaryGroups = array_diff($groups, [posix_getegid()]);
        return array_shift($secondaryGroups);
    }
 
    // Tests concerning writeFileToTypo3tempDir()
 
    public function ‪invalidFilePathForTypo3tempDirDataProvider()
    {
        return [
            [
                ‪Environment::getPublicPath() . '/../path/this-path-has-more-than-60-characters-in-one-base-path-you-can-even-count-more',
                'Input filepath "' . ‪Environment::getPublicPath() . '/../path/this-path-has-more-than-60-characters-in-one-base-path-you-can-even-count-more" was generally invalid!'
            ],
            [
                ‪Environment::getPublicPath() . '/dummy/path/this-path-has-more-than-60-characters-in-one-base-path-you-can-even-count-more',
                'Input filepath "' . ‪Environment::getPublicPath() . '/dummy/path/this-path-has-more-than-60-characters-in-one-base-path-you-can-even-count-more" was generally invalid!'
            ],
            [
                ‪Environment::getPublicPath() . '/dummy/path/this-path-has-more-than-60-characters-in-one-base-path-you-can-even-count-more',
                'Input filepath "' . ‪Environment::getPublicPath() . '/dummy/path/this-path-has-more-than-60-characters-in-one-base-path-you-can-even-count-more" was generally invalid!'
            ],
            [
                '/dummy/path/awesome',
                '"/dummy/path/" was not within directory Environment::getPublicPath() + "/typo3temp/"'
            ],
            [
                ‪Environment::getLegacyConfigPath() . '/path',
                '"' . ‪Environment::getLegacyConfigPath() . '/" was not within directory Environment::getPublicPath() + "/typo3temp/"',
            ],
            [
                ‪Environment::getPublicPath() . '/typo3temp/táylor/swíft',
                'Subdir, "táylor/", was NOT on the form "[[:alnum:]_]/+"',
            ],
            'Path instead of file given' => [
                ‪Environment::getPublicPath() . '/typo3temp/dummy/path/',
                'Calculated file location didn\'t match input "' . ‪Environment::getPublicPath() . '/typo3temp/dummy/path/".'
            ],
        ];
    }
 
    public function ‪writeFileToTypo3tempDirFailsWithInvalidPath($invalidFilePath, string $expectedResult)
    {
        $result = ‪GeneralUtility::writeFileToTypo3tempDir($invalidFilePath, 'dummy content to be written');
        self::assertSame($result, $expectedResult);
    }
 
    public function ‪validFilePathForTypo3tempDirDataProvider()
    {
        return [
            'Default text file' => [
                ‪Environment::getVarPath() . '/paranoid/android.txt',
            ],
            'Html file extension' => [
                ‪Environment::getVarPath() . '/karma.html',
            ],
            'No file extension' => [
                ‪Environment::getVarPath() . '/no-surprises',
            ],
            'Deep directory' => [
                ‪Environment::getVarPath() . '/climbing/up/the/walls',
            ],
            'File in typo3temp/var directory' => [
                ‪Environment::getPublicPath() . '/typo3temp/var/path/foo.txt'
            ]
        ];
    }
 
    public function ‪writeFileToTypo3tempDirWorksWithValidPath($filePath)
    {
        $dummyContent = 'Please could you stop the noise, I\'m trying to get some rest from all the unborn chicken voices in my head.';
 
        $this->testFilesToDelete[] = $filePath;
 
        $result = ‪GeneralUtility::writeFileToTypo3tempDir($filePath, $dummyContent);
 
        self::assertNull($result);
        self::assertFileExists($filePath);
        self::assertStringEqualsFile($filePath, $dummyContent);
    }
 
    // Tests concerning mkdir_deep
 
    public function ‪mkdirDeepCreatesDirectory()
    {
        $directory = $this->‪getVirtualTestDir() . '/' . ‪StringUtility::getUniqueId('test_');
        ‪GeneralUtility::mkdir_deep($directory);
        self::assertTrue(is_dir($directory));
    }
 
    public function ‪mkdirDeepCreatesSubdirectoriesRecursive()
    {
        $directory = $this->‪getVirtualTestDir() . 'typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_');
        $subDirectory = $directory . '/foo';
        ‪GeneralUtility::mkdir_deep($subDirectory);
        self::assertTrue(is_dir($subDirectory));
    }
 
    public function ‪mkdirDeepCreatesDirectoryWithAndWithoutDoubleSlashesDataProvider()
    {
        return [
            'no double slash if concatenated with Environment::getPublicPath()' => ['fileadmin/testDir1'],
            'double slash if concatenated with Environment::getPublicPath()' => ['/fileadmin/testDir2'],
        ];
    }
 
    public function ‪mkdirDeepCreatesDirectoryWithDoubleSlashes($directoryToCreate)
    {
        vfsStream::setup('root', null, ['public' => []]);
        ‪GeneralUtility::mkdir_deep('vfs://root/public/' . $directoryToCreate);
        self::assertTrue(is_dir('vfs://root/public/' . $directoryToCreate));
    }
 
    public function ‪mkdirDeepFixesPermissionsOfCreatedDirectory()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $directory = ‪StringUtility::getUniqueId('mkdirdeeptest_');
        $oldUmask = umask(19);
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0777';
        ‪GeneralUtility::mkdir_deep(‪Environment::getVarPath() . '/tests/' . $directory);
        $this->testFilesToDelete[] = ‪Environment::getVarPath() . '/tests/' . $directory;
        clearstatcache();
        umask($oldUmask);
        self::assertEquals('777', substr(decoct(fileperms(‪Environment::getVarPath() . '/tests/' . $directory)), -3, 3));
    }
 
    public function ‪mkdirDeepFixesPermissionsOnNewParentDirectory()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $directory = ‪StringUtility::getUniqueId('mkdirdeeptest_');
        $subDirectory = $directory . '/bar';
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask'] = '0777';
        $oldUmask = umask(19);
        ‪GeneralUtility::mkdir_deep(‪Environment::getVarPath() . '/tests/' . $subDirectory);
        $this->testFilesToDelete[] = ‪Environment::getVarPath() . '/tests/' . $directory;
        clearstatcache();
        umask($oldUmask);
        self::assertEquals('777', substr(decoct(fileperms(‪Environment::getVarPath() . '/tests/' . $directory)), -3, 3));
    }
 
    public function ‪mkdirDeepDoesNotChangePermissionsOfExistingSubDirectories()
    {
        if (‪Environment::isWindows()) {
            self::markTestSkipped(self::NO_FIX_PERMISSIONS_ON_WINDOWS);
        }
        $baseDirectory = ‪Environment::getVarPath() . '/tests/';
        $existingDirectory = ‪StringUtility::getUniqueId('test_existing_') . '/';
        $newSubDirectory = ‪StringUtility::getUniqueId('test_new_');
        @mkdir($baseDirectory . $existingDirectory);
        $this->testFilesToDelete[] = $baseDirectory . $existingDirectory;
        chmod($baseDirectory . $existingDirectory, 482);
        ‪GeneralUtility::mkdir_deep($baseDirectory . $existingDirectory . $newSubDirectory);
        self::assertEquals(742, (int)substr(decoct(fileperms($baseDirectory . $existingDirectory)), 2));
    }
 
    public function ‪mkdirDeepSetsGroupOwnershipOfCreatedDirectory()
    {
        $swapGroup = $this->‪checkGroups(__FUNCTION__);
        if ($swapGroup !== false) {
            ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['createGroup'] = $swapGroup;
            $directory = ‪StringUtility::getUniqueId('mkdirdeeptest_');
            ‪GeneralUtility::mkdir_deep(‪Environment::getVarPath() . '/tests/' . $directory);
            $this->testFilesToDelete[] = ‪Environment::getVarPath() . '/tests/' . $directory;
            clearstatcache();
            $resultDirectoryGroup = filegroup(‪Environment::getVarPath() . '/tests/' . $directory);
            self::assertEquals($resultDirectoryGroup, $swapGroup);
        }
    }
 
    public function ‪mkdirDeepSetsGroupOwnershipOfCreatedParentDirectory()
    {
        $swapGroup = $this->‪checkGroups(__FUNCTION__);
        if ($swapGroup !== false) {
            ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['createGroup'] = $swapGroup;
            $directory = ‪StringUtility::getUniqueId('mkdirdeeptest_');
            $subDirectory = $directory . '/bar';
            ‪GeneralUtility::mkdir_deep(‪Environment::getVarPath() . '/tests/' . $subDirectory);
            $this->testFilesToDelete[] = ‪Environment::getVarPath() . '/tests/' . $directory;
            clearstatcache();
            $resultDirectoryGroup = filegroup(‪Environment::getVarPath() . '/tests/' . $directory);
            self::assertEquals($resultDirectoryGroup, $swapGroup);
        }
    }
 
    public function ‪mkdirDeepSetsGroupOwnershipOnNewSubDirectory()
    {
        $swapGroup = $this->‪checkGroups(__FUNCTION__);
        if ($swapGroup !== false) {
            ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['createGroup'] = $swapGroup;
            $directory = ‪StringUtility::getUniqueId('mkdirdeeptest_');
            $subDirectory = $directory . '/bar';
            ‪GeneralUtility::mkdir_deep(‪Environment::getVarPath() . '/tests/' . $subDirectory);
            $this->testFilesToDelete[] = ‪Environment::getVarPath() . '/tests/' . $directory;
            clearstatcache();
            $resultDirectoryGroup = filegroup(‪Environment::getVarPath() . '/tests/' . $directory);
            self::assertEquals($resultDirectoryGroup, $swapGroup);
        }
    }
 
    public function ‪mkdirDeepCreatesDirectoryInVfsStream()
    {
        vfsStreamWrapper::register();
        $baseDirectory = ‪StringUtility::getUniqueId('test_');
        vfsStreamWrapper::setRoot(new vfsStreamDirectory($baseDirectory));
        ‪GeneralUtility::mkdir_deep('vfs://' . $baseDirectory . '/sub');
        self::assertTrue(is_dir('vfs://' . $baseDirectory . '/sub'));
    }
 
    public function ‪mkdirDeepThrowsExceptionIfDirectoryCreationFails()
    {
        $this->expectException(\RuntimeException::class);
        $this->expectExceptionCode(1170251401);
 
        ‪GeneralUtility::mkdir_deep('http://localhost');
    }
 
    public function ‪mkdirDeepThrowsExceptionIfBaseDirectoryIsNotOfTypeString()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1303662955);
 
        ‪GeneralUtility::mkdir_deep([]);
    }
 
    // Tests concerning rmdir
 
    public function ‪rmdirRemovesFile()
    {
        $file = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('file_');
        touch($file);
        ‪GeneralUtility::rmdir($file);
        self::assertFalse(file_exists($file));
    }
 
    public function ‪rmdirReturnTrueIfFileWasRemoved()
    {
        $file = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('file_');
        touch($file);
        self::assertTrue(‪GeneralUtility::rmdir($file));
    }
 
    public function ‪rmdirReturnFalseIfNoFileWasRemoved()
    {
        $file = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('file_');
        self::assertFalse(‪GeneralUtility::rmdir($file));
    }
 
    public function ‪rmdirRemovesDirectory()
    {
        $directory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('directory_');
        mkdir($directory);
        ‪GeneralUtility::rmdir($directory);
        self::assertFalse(file_exists($directory));
    }
 
    public function ‪rmdirRemovesDirectoryWithTrailingSlash()
    {
        $directory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('directory_') . '/';
        mkdir($directory);
        ‪GeneralUtility::rmdir($directory);
        self::assertFalse(file_exists($directory));
    }
 
    public function ‪rmdirDoesNotRemoveDirectoryWithFilesAndReturnsFalseIfRecursiveDeletionIsOff()
    {
        $directory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('directory_') . '/';
        mkdir($directory);
        $file = ‪StringUtility::getUniqueId('file_');
        touch($directory . $file);
        $this->testFilesToDelete[] = $directory;
        $return = ‪GeneralUtility::rmdir($directory);
        self::assertTrue(file_exists($directory));
        self::assertTrue(file_exists($directory . $file));
        self::assertFalse($return);
    }
 
    public function ‪rmdirRemovesDirectoriesRecursiveAndReturnsTrue()
    {
        $directory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('directory_') . '/';
        mkdir($directory);
        mkdir($directory . 'sub/');
        touch($directory . 'sub/file');
        $return = ‪GeneralUtility::rmdir($directory, true);
        self::assertFalse(file_exists($directory));
        self::assertTrue($return);
    }
 
    public function ‪rmdirRemovesLinkToDirectory()
    {
        $existingDirectory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('notExists_') . '/';
        mkdir($existingDirectory);
        $this->testFilesToDelete[] = $existingDirectory;
        $symlinkName = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('link_');
        symlink($existingDirectory, $symlinkName);
        ‪GeneralUtility::rmdir($symlinkName, true);
        self::assertFalse(is_link($symlinkName));
    }
 
    public function ‪rmdirRemovesDeadLinkToDirectory()
    {
        $notExistingDirectory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('notExists_') . '/';
        $symlinkName = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('link_');
        mkdir($notExistingDirectory);
        symlink($notExistingDirectory, $symlinkName);
        rmdir($notExistingDirectory);
 
        ‪GeneralUtility::rmdir($symlinkName, true);
        self::assertFalse(is_link($symlinkName));
    }
 
    public function ‪rmdirRemovesDeadLinkToFile()
    {
        $notExistingFile = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('notExists_');
        $symlinkName = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('link_');
        touch($notExistingFile);
        symlink($notExistingFile, $symlinkName);
        unlink($notExistingFile);
        ‪GeneralUtility::rmdir($symlinkName, true);
        self::assertFalse(is_link($symlinkName));
    }
 
    // Tests concerning getFilesInDir
 
    protected function ‪getFilesInDirCreateTestDirectory()
    {
        $structure = [
            'subDirectory' => [
                'test.php' => 'butter',
                'other.php' => 'milk',
                'stuff.csv' => 'honey',
            ],
            'excludeMe.txt' => 'cocoa nibs',
            'double.setup.typoscript' => 'cool TS',
            'testB.txt' => 'olive oil',
            'testA.txt' => 'eggs',
            'testC.txt' => 'carrots',
            'test.js' => 'oranges',
            'test.css' => 'apples',
            '.secret.txt' => 'sammon',
        ];
        vfsStream::setup('test', null, $structure);
        $vfsUrl = vfsStream::url('test');
 
        // set random values for mtime
        foreach ($structure as $structureLevel1Key => $structureLevel1Content) {
            $newMtime = random_int(0, mt_getrandmax());
            if (is_array($structureLevel1Content)) {
                foreach ($structureLevel1Content as $structureLevel2Key => $structureLevel2Content) {
                    touch($vfsUrl . '/' . $structureLevel1Key . '/' . $structureLevel2Key, $newMtime);
                }
            } else {
                touch($vfsUrl . '/' . $structureLevel1Key, $newMtime);
            }
        }
 
        return $vfsUrl;
    }
 
    public function ‪getFilesInDirFindsRegularFile()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = GeneralUtility::getFilesInDir($vfsStreamUrl);
        self::assertTrue(in_array('testA.txt', $files));
    }
 
    public function ‪getFilesInDirFindsHiddenFile()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = GeneralUtility::getFilesInDir($vfsStreamUrl);
        self::assertTrue(in_array('.secret.txt', $files));
    }
 
    public function ‪fileExtensionDataProvider()
    {
        return [
            'no space' => [
                'setup.typoscript,txt,js,css'
            ],
            'spaces' => [
                'setup.typoscript, txt, js, css'
            ],
            'mixed' => [
                'setup.typoscript , txt,js, css'
            ],
            'wild' => [
                'setup.typoscript,  txt,     js  ,         css'
            ]
        ];
    }
 
    public function ‪getFilesInDirByExtensionFindsFiles($fileExtensions)
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = GeneralUtility::getFilesInDir($vfsStreamUrl, $fileExtensions);
        self::assertTrue(in_array('double.setup.typoscript', $files));
        self::assertTrue(in_array('testA.txt', $files));
        self::assertTrue(in_array('test.js', $files));
        self::assertTrue(in_array('test.css', $files));
    }
 
    public function ‪getFilesInDirByExtensionDoesNotFindFilesWithOtherExtensions()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = GeneralUtility::getFilesInDir($vfsStreamUrl, 'txt,js');
        self::assertTrue(in_array('testA.txt', $files));
        self::assertTrue(in_array('test.js', $files));
        self::assertFalse(in_array('test.css', $files));
    }
 
    public function ‪getFilesInDirExcludesFilesMatchingPattern()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = GeneralUtility::getFilesInDir($vfsStreamUrl, '', false, '', 'excludeMe.*');
        self::assertTrue(in_array('test.js', $files));
        self::assertFalse(in_array('excludeMe.txt', $files));
    }
 
    public function ‪getFilesInDirCanPrependPath()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        self::assertTrue(
            in_array(
                $vfsStreamUrl . '/testA.txt',
                GeneralUtility::getFilesInDir($vfsStreamUrl, '', true)
            )
        );
    }
 
    public function ‪getFilesInDirDoesSortAlphabeticallyByDefault()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        self::assertSame(
            array_values(GeneralUtility::getFilesInDir($vfsStreamUrl, '', false)),
            ['.secret.txt', 'double.setup.typoscript', 'excludeMe.txt', 'test.css', 'test.js', 'testA.txt', 'testB.txt', 'testC.txt']
        );
    }
 
    public function ‪getFilesInDirCanOrderByMtime()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = [];
        $iterator = new \DirectoryIterator($vfsStreamUrl);
        foreach ($iterator as $fileinfo) {
            if ($fileinfo->isFile()) {
                $files[$fileinfo->getFilename()] = $fileinfo->getMTime();
            }
        }
        asort($files);
        self::assertSame(
            array_values(GeneralUtility::getFilesInDir($vfsStreamUrl, '', false, 'mtime')),
            array_keys($files)
        );
    }
 
    public function ‪getFilesInDirReturnsArrayWithMd5OfElementAndPathAsArrayKey()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        self::assertArrayHasKey(
            md5($vfsStreamUrl . '/testA.txt'),
            GeneralUtility::getFilesInDir($vfsStreamUrl)
        );
    }
 
    public function ‪getFilesInDirDoesNotFindDirectories()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        self::assertFalse(
            in_array(
                'subDirectory',
                GeneralUtility::getFilesInDir($vfsStreamUrl)
            )
        );
    }
 
    public function ‪getFilesInDirDoesNotFindDotfiles()
    {
        $vfsStreamUrl = $this->‪getFilesInDirCreateTestDirectory();
        $files = GeneralUtility::getFilesInDir($vfsStreamUrl);
        self::assertFalse(in_array('..', $files));
        self::assertFalse(in_array('.', $files));
    }
 
    // Tests concerning split_fileref
 
    public function ‪splitFileRefReturnsFileTypeNotForFolders()
    {
        $directoryName = ‪StringUtility::getUniqueId('test_') . '.com';
        $directoryPath = ‪Environment::getVarPath() . '/tests/';
        $directory = $directoryPath . $directoryName;
        mkdir($directory, octdec(‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['folderCreateMask']));
        $fileInfo = GeneralUtility::split_fileref($directory);
        $directoryCreated = is_dir($directory);
        rmdir($directory);
        self::assertTrue($directoryCreated);
        self::assertIsArray($fileInfo);
        self::assertEquals($directoryPath, $fileInfo['path']);
        self::assertEquals($directoryName, $fileInfo['file']);
        self::assertEquals($directoryName, $fileInfo['filebody']);
        self::assertEquals('', $fileInfo['fileext']);
        self::assertArrayNotHasKey('realFileext', $fileInfo);
    }
 
    public function ‪splitFileRefReturnsFileTypeForFilesWithoutPathSite()
    {
        $testFile = 'fileadmin/media/someFile.png';
        $fileInfo = GeneralUtility::split_fileref($testFile);
        self::assertIsArray($fileInfo);
        self::assertEquals('fileadmin/media/', $fileInfo['path']);
        self::assertEquals('someFile.png', $fileInfo['file']);
        self::assertEquals('someFile', $fileInfo['filebody']);
        self::assertEquals('png', $fileInfo['fileext']);
    }
 
    // Tests concerning dirname
 
    public function ‪dirnameDataProvider()
    {
        return [
            'absolute path with multiple part and file' => ['/dir1/dir2/script.php', '/dir1/dir2'],
            'absolute path with one part' => ['/dir1/', '/dir1'],
            'absolute path to file without extension' => ['/dir1/something', '/dir1'],
            'relative path with one part and file' => ['dir1/script.php', 'dir1'],
            'relative one-character path with one part and file' => ['d/script.php', 'd'],
            'absolute zero-part path with file' => ['/script.php', ''],
            'empty string' => ['', '']
        ];
    }
 
    public function ‪dirnameWithDataProvider($input, $expectedValue)
    {
        self::assertEquals($expectedValue, GeneralUtility::dirname($input));
    }
 
    // Tests concerning resolveBackPath
 
    public function ‪resolveBackPathDataProvider()
    {
        return [
            'empty path' => ['', ''],
            'this directory' => ['./', './'],
            'relative directory without ..' => ['dir1/dir2/dir3/', 'dir1/dir2/dir3/'],
            'relative path without ..' => ['dir1/dir2/script.php', 'dir1/dir2/script.php'],
            'absolute directory without ..' => ['/dir1/dir2/dir3/', '/dir1/dir2/dir3/'],
            'absolute path without ..' => ['/dir1/dir2/script.php', '/dir1/dir2/script.php'],
            'only one directory upwards without trailing slash' => ['..', '..'],
            'only one directory upwards with trailing slash' => ['../', '../'],
            'one level with trailing ..' => ['dir1/..', ''],
            'one level with trailing ../' => ['dir1/../', ''],
            'two levels with trailing ..' => ['dir1/dir2/..', 'dir1'],
            'two levels with trailing ../' => ['dir1/dir2/../', 'dir1/'],
            'leading ../ without trailing /' => ['../dir1', '../dir1'],
            'leading ../ with trailing /' => ['../dir1/', '../dir1/'],
            'leading ../ and inside path' => ['../dir1/dir2/../dir3/', '../dir1/dir3/'],
            'one times ../ in relative directory' => ['dir1/../dir2/', 'dir2/'],
            'one times ../ in absolute directory' => ['/dir1/../dir2/', '/dir2/'],
            'one times ../ in relative path' => ['dir1/../dir2/script.php', 'dir2/script.php'],
            'one times ../ in absolute path' => ['/dir1/../dir2/script.php', '/dir2/script.php'],
            'consecutive ../' => ['dir1/dir2/dir3/../../../dir4', 'dir4'],
            'distributed ../ with trailing /' => ['dir1/../dir2/dir3/../', 'dir2/'],
            'distributed ../ without trailing /' => ['dir1/../dir2/dir3/..', 'dir2'],
            'multiple distributed and consecutive ../ together' => ['dir1/dir2/dir3/dir4/../../dir5/dir6/dir7/../dir8/', 'dir1/dir2/dir5/dir6/dir8/'],
            'dirname with leading ..' => ['dir1/..dir2/dir3/', 'dir1/..dir2/dir3/'],
            'dirname with trailing ..' => ['dir1/dir2../dir3/', 'dir1/dir2../dir3/'],
            'more times upwards than downwards in directory' => ['dir1/../../', '../'],
            'more times upwards than downwards in path' => ['dir1/../../script.php', '../script.php']
        ];
    }
 
    public function ‪resolveBackPathWithDataProvider($input, $expectedValue)
    {
        self::assertEquals($expectedValue, GeneralUtility::resolveBackPath($input));
    }
 
    // Tests concerning makeInstance, setSingletonInstance, addInstance, purgeInstances
 
    public function ‪makeInstanceWithEmptyClassNameThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288965219);
 
        GeneralUtility::makeInstance('');
    }
 
    public function ‪makeInstanceWithNullClassNameThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288965219);
 
        GeneralUtility::makeInstance(null);
    }
 
    public function ‪makeInstanceWithZeroStringClassNameThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288965219);
 
        GeneralUtility::makeInstance(0);
    }
 
    public function ‪makeInstanceWithEmptyArrayThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288965219);
 
        GeneralUtility::makeInstance([]);
    }
 
    public function ‪makeInstanceWithNonEmptyArrayThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288965219);
 
        GeneralUtility::makeInstance(['foo']);
    }
 
    public function ‪makeInstanceWithBeginningSlashInClassNameThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1420281366);
 
        GeneralUtility::makeInstance('\\TYPO3\\CMS\\Backend\\Controller\\BackendController');
    }
 
    public function ‪makeInstanceReturnsClassInstance()
    {
        $className = get_class($this->getMockBuilder('foo')->getMock());
        self::assertTrue(GeneralUtility::makeInstance($className) instanceof $className);
    }
 
    public function ‪makeInstancePassesParametersToConstructor()
    {
        $instance = GeneralUtility::makeInstance(TwoParametersConstructorFixture::class, 'one parameter', 'another parameter');
        self::assertEquals('one parameter', $instance->constructorParameter1, 'The first constructor parameter has not been set.');
        self::assertEquals('another parameter', $instance->constructorParameter2, 'The second constructor parameter has not been set.');
    }
 
    public function ‪makeInstanceInstanciatesConfiguredImplementation()
    {
        ‪GeneralUtilityFixture::resetFinalClassNameCache();
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['Objects'][OriginalClassFixture::class] = ['className' => ReplacementClassFixture::class];
        self::assertInstanceOf(ReplacementClassFixture::class, GeneralUtility::makeInstance(OriginalClassFixture::class));
    }
 
    public function ‪makeInstanceResolvesConfiguredImplementationsRecursively()
    {
        ‪GeneralUtilityFixture::resetFinalClassNameCache();
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['Objects'][OriginalClassFixture::class] = ['className' => ReplacementClassFixture::class];
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['Objects'][ReplacementClassFixture::class] = ['className' => OtherReplacementClassFixture::class];
        self::assertInstanceOf(OtherReplacementClassFixture::class, GeneralUtility::makeInstance(OriginalClassFixture::class));
    }
 
    public function ‪makeInstanceCalledTwoTimesForNonSingletonClassReturnsDifferentInstances()
    {
        $className = get_class($this->getMockBuilder('foo')->getMock());
        self::assertNotSame(GeneralUtility::makeInstance($className), GeneralUtility::makeInstance($className));
    }
 
    public function ‪makeInstanceCalledTwoTimesForSingletonClassReturnsSameInstance()
    {
        $className = get_class($this->createMock(SingletonInterface::class));
        self::assertSame(GeneralUtility::makeInstance($className), GeneralUtility::makeInstance($className));
    }
 
    public function ‪makeInstanceCalledTwoTimesForSingletonClassWithPurgeInstancesInbetweenReturnsDifferentInstances()
    {
        $className = get_class($this->createMock(SingletonInterface::class));
        $instance = GeneralUtility::makeInstance($className);
        GeneralUtility::purgeInstances();
        self::assertNotSame($instance, GeneralUtility::makeInstance($className));
    }
 
    public function ‪makeInstanceInjectsLogger()
    {
        $instance = GeneralUtility::makeInstance(GeneralUtilityMakeInstanceInjectLoggerFixture::class);
        self::assertInstanceOf(LoggerInterface::class, $instance->getLogger());
    }
 
    public function ‪setSingletonInstanceForEmptyClassNameThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288967479);
 
        $instance = $this->createMock(SingletonInterface::class);
        GeneralUtility::setSingletonInstance('', $instance);
    }
 
    public function ‪setSingletonInstanceForClassThatIsNoSubclassOfProvidedClassThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288967686);
 
        $instance = $this->getMockBuilder(SingletonInterface::class)
            ->setMethods(['foo'])
            ->getMock();
        $singletonClassName = get_class($this->createMock(SingletonInterface::class));
        GeneralUtility::setSingletonInstance($singletonClassName, $instance);
    }
 
    public function ‪setSingletonInstanceMakesMakeInstanceReturnThatInstance()
    {
        $instance = $this->createMock(SingletonInterface::class);
        $singletonClassName = get_class($instance);
        GeneralUtility::setSingletonInstance($singletonClassName, $instance);
        self::assertSame($instance, GeneralUtility::makeInstance($singletonClassName));
    }
 
    public function ‪setSingletonInstanceCalledTwoTimesMakesMakeInstanceReturnLastSetInstance()
    {
        $instance1 = $this->createMock(SingletonInterface::class);
        $singletonClassName = get_class($instance1);
        $instance2 = new $singletonClassName();
        GeneralUtility::setSingletonInstance($singletonClassName, $instance1);
        GeneralUtility::setSingletonInstance($singletonClassName, $instance2);
        self::assertSame($instance2, GeneralUtility::makeInstance($singletonClassName));
    }
 
    public function ‪getSingletonInstancesContainsPreviouslySetSingletonInstance()
    {
        $instance = $this->createMock(SingletonInterface::class);
        $instanceClassName = get_class($instance);
        GeneralUtility::setSingletonInstance($instanceClassName, $instance);
        $registeredSingletonInstances = GeneralUtility::getSingletonInstances();
        self::assertArrayHasKey($instanceClassName, $registeredSingletonInstances);
        self::assertSame($registeredSingletonInstances[$instanceClassName], $instance);
    }
 
    public function ‪setSingletonInstanceReturnsFinalClassNameWithOverriddenClass()
    {
        ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['Objects'][SingletonClassFixture::class]['className'] = ExtendedSingletonClassFixture::class;
        $anotherInstance = new ExtendedSingletonClassFixture();
        GeneralUtility::makeInstance(SingletonClassFixture::class);
        GeneralUtility::setSingletonInstance(SingletonClassFixture::class, $anotherInstance);
        $result = GeneralUtility::makeInstance(SingletonClassFixture::class);
        self::assertSame($anotherInstance, $result);
        self::assertEquals(ExtendedSingletonClassFixture::class, get_class($anotherInstance));
    }
 
    public function ‪resetSingletonInstancesResetsPreviouslySetInstance()
    {
        $instance = $this->createMock(SingletonInterface::class);
        $instanceClassName = get_class($instance);
        GeneralUtility::setSingletonInstance($instanceClassName, $instance);
        GeneralUtility::resetSingletonInstances([]);
        $registeredSingletonInstances = GeneralUtility::getSingletonInstances();
        self::assertArrayNotHasKey($instanceClassName, $registeredSingletonInstances);
    }
 
    public function ‪resetSingletonInstancesSetsGivenInstance()
    {
        $instance = $this->createMock(SingletonInterface::class);
        $instanceClassName = get_class($instance);
        GeneralUtility::resetSingletonInstances(
            [$instanceClassName => $instance]
        );
        $registeredSingletonInstances = GeneralUtility::getSingletonInstances();
        self::assertArrayHasKey($instanceClassName, $registeredSingletonInstances);
        self::assertSame($registeredSingletonInstances[$instanceClassName], $instance);
    }
 
    public function ‪addInstanceForEmptyClassNameThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288967479);
 
        $instance = $this->getMockBuilder('foo')->getMock();
        GeneralUtility::addInstance('', $instance);
    }
 
    public function ‪addInstanceForClassThatIsNoSubclassOfProvidedClassThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288967686);
 
        $instance = $this->getMockBuilder('foo')
            ->setMethods(['bar'])
            ->getMock();
        $singletonClassName = get_class($this->createMock('foo'));
        GeneralUtility::addInstance($singletonClassName, $instance);
    }
 
    public function ‪addInstanceWithSingletonInstanceThrowsException()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1288969325);
 
        $instance = $this->createMock(SingletonInterface::class);
        GeneralUtility::addInstance(get_class($instance), $instance);
    }
 
    public function ‪addInstanceMakesMakeInstanceReturnThatInstance()
    {
        $instance = $this->createMock('stdClass');
        $className = get_class($instance);
        GeneralUtility::addInstance($className, $instance);
        self::assertSame($instance, GeneralUtility::makeInstance($className));
    }
 
    public function ‪makeInstanceCalledTwoTimesAfterAddInstanceReturnTwoDifferentInstances()
    {
        $instance = $this->createMock('stdClass');
        $className = get_class($instance);
        GeneralUtility::addInstance($className, $instance);
        self::assertNotSame(GeneralUtility::makeInstance($className), GeneralUtility::makeInstance($className));
    }
 
    public function ‪addInstanceCalledTwoTimesMakesMakeInstanceReturnBothInstancesInAddingOrder()
    {
        $instance1 = $this->createMock('stdClass');
        $className = get_class($instance1);
        GeneralUtility::addInstance($className, $instance1);
        $instance2 = new $className();
        GeneralUtility::addInstance($className, $instance2);
        self::assertSame($instance1, GeneralUtility::makeInstance($className), 'The first returned instance does not match the first added instance.');
        self::assertSame($instance2, GeneralUtility::makeInstance($className), 'The second returned instance does not match the second added instance.');
    }
 
    public function ‪purgeInstancesDropsAddedInstance()
    {
        $instance = $this->createMock('stdClass');
        $className = get_class($instance);
        GeneralUtility::addInstance($className, $instance);
        GeneralUtility::purgeInstances();
        self::assertNotSame($instance, GeneralUtility::makeInstance($className));
    }
 
    public function ‪getFileAbsFileNameDateprovider()
    {
        return [
            'typo3/sysext/core/Resources/Public/Icons/Extension.png' => [
                'typo3/sysext/core/Resources/Public/Icons/Extension.png',
                ‪Environment::getPublicPath() . '/typo3/sysext/core/Resources/Public/Icons/Extension.png'
            ],
            'sysext/core/Resources/Public/Icons/Extension.png' => [
                'sysext/core/Resources/Public/Icons/Extension.png',
                ‪Environment::getPublicPath() . '/sysext/core/Resources/Public/Icons/Extension.png'
            ],
            './typo3/sysext/core/Resources/Public/Icons/Extension.png' => [
                './typo3/sysext/core/Resources/Public/Icons/Extension.png',
                ‪Environment::getPublicPath() . '/./typo3/sysext/core/Resources/Public/Icons/Extension.png'
            ],
            'fileadmin/foo.txt' => [
                'fileadmin/foo.txt',
                ‪Environment::getPublicPath() . '/fileadmin/foo.txt'
            ],
            './fileadmin/foo.txt' => [
                './fileadmin/foo.txt',
                ‪Environment::getPublicPath() . '/./fileadmin/foo.txt'
            ],
            '../sysext/core/Resources/Public/Icons/Extension.png' => [
                '../sysext/core/Resources/Public/Icons/Extension.png',
                ''
            ],
            '../fileadmin/foo.txt' => [
                '../fileadmin/foo.txt',
                ''
            ],
            'Public web path . ../sysext/core/Resources/Public/Icons/Extension.png' => [
                ‪Environment::getPublicPath() . '/../sysext/core/Resources/Public/Icons/Extension.png',
                ''
            ],
            'Public web path . fileadmin/foo.txt' => [
                ‪Environment::getPublicPath() . '/fileadmin/foo.txt',
                ‪Environment::getPublicPath() . '/fileadmin/foo.txt'
            ],
            'Public web path . typo3/sysext/core/Resources/Public/Icons/Extension.png' => [
                ‪Environment::getFrameworkBasePath() . '/core/Resources/Public/Icons/Extension.png',
                ‪Environment::getFrameworkBasePath() . '/core/Resources/Public/Icons/Extension.png'
            ],
            'EXT:foo/Resources/Public/Icons/Extension.png' => [
                'EXT:foo/Resources/Public/Icons/Extension.png',
                ‪Environment::getFrameworkBasePath() . '/foo/Resources/Public/Icons/Extension.png'
            ]
        ];
    }
 
    public function ‪getFileAbsFileNameReturnsCorrectValues($path, $expected)
    {
 
        // build the dummy package "foo" for use in ExtensionManagementUtility::extPath('foo');
        $package = $this->getMockBuilder(Package::class)
            ->disableOriginalConstructor()
            ->setMethods(['getPackagePath'])
            ->getMock();
        $packageManager = $this->getMockBuilder(PackageManager::class)
            ->setMethods(['isPackageActive', 'getPackage'])
            ->disableOriginalConstructor()
            ->getMock();
        $package->expects(self::any())
            ->method('getPackagePath')
            ->willReturn(‪Environment::getPublicPath() . '/typo3/sysext/foo/');
        $packageManager->expects(self::any())
            ->method('isPackageActive')
            ->with(self::equalTo('foo'))
            ->willReturn(true);
        $packageManager->expects(self::any())
            ->method('getPackage')
            ->with('foo')
            ->willReturn($package);
        ‪ExtensionManagementUtility::setPackageManager($packageManager);
 
        $result = GeneralUtility::getFileAbsFileName($path);
        self::assertEquals($expected, $result);
    }
 
    public function ‪validPathStrInvalidCharactersDataProvider()
    {
        $data = [
            'double slash in path' => ['path//path'],
            'backslash in path' => ['path\\path'],
            'directory up in path' => ['path/../path'],
            'directory up at the beginning' => ['../path'],
            'NUL character in path' => ['path' . "\0" . 'path'],
            'BS character in path' => ['path' . chr(8) . 'path'],
            'invalid UTF-8-sequence' => ["\xc0" . 'path/path'],
            'Could be overlong NUL in some UTF-8 implementations, invalid in RFC3629' => ["\xc0\x80" . 'path/path'],
        ];
 
        // Mixing with regular utf-8
        $utf8Characters = 'Ссылка/';
        foreach ($data as $key => $value) {
            $data[$key . ' with UTF-8 characters prepended'] = [$utf8Characters . $value[0]];
            $data[$key . ' with UTF-8 characters appended'] = [$value[0] . $utf8Characters];
        }
 
        // Encoding with UTF-16
        foreach ($data as $key => $value) {
            $data[$key . ' encoded with UTF-16'] = [mb_convert_encoding($value[0], 'UTF-16')];
        }
 
        return $data;
    }
 
    public function ‪validPathStrDetectsInvalidCharacters($path)
    {
        self::assertFalse(GeneralUtility::validPathStr($path));
    }
 
    public function ‪validPathStrDataProvider()
    {
        $data = [
            'normal ascii path' => ['fileadmin/templates/myfile..xml'],
            'special character' => ['fileadmin/templates/Ссылка (fce).xml']
        ];
 
        return $data;
    }
 
    public function ‪validPathStrWorksWithUnicodeFileNames($path)
    {
        self::assertTrue(GeneralUtility::validPathStr($path));
    }
 
    // Tests concerning copyDirectory
 
    public function ‪copyDirectoryCopiesFilesAndDirectoriesWithRelativePaths()
    {
        $sourceDirectory = 'typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_') . '/';
        $absoluteSourceDirectory = ‪Environment::getPublicPath() . '/' . $sourceDirectory;
        $this->testFilesToDelete[] = $absoluteSourceDirectory;
        ‪GeneralUtility::mkdir($absoluteSourceDirectory);
 
        $targetDirectory = 'typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_') . '/';
        $absoluteTargetDirectory = ‪Environment::getPublicPath() . '/' . $targetDirectory;
        $this->testFilesToDelete[] = $absoluteTargetDirectory;
 
        ‪GeneralUtility::writeFileToTypo3tempDir($absoluteSourceDirectory . 'file', '42');
        ‪GeneralUtility::mkdir($absoluteSourceDirectory . 'foo');
        ‪GeneralUtility::writeFileToTypo3tempDir($absoluteSourceDirectory . 'foo/file', '42');
 
        GeneralUtility::copyDirectory($sourceDirectory, $targetDirectory);
 
        self::assertFileExists($absoluteTargetDirectory . 'file');
        self::assertFileExists($absoluteTargetDirectory . 'foo/file');
    }
 
    public function ‪copyDirectoryCopiesFilesAndDirectoriesWithAbsolutePaths()
    {
        $sourceDirectory = 'typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_') . '/';
        $absoluteSourceDirectory = ‪Environment::getPublicPath() . '/' . $sourceDirectory;
        $this->testFilesToDelete[] = $absoluteSourceDirectory;
        ‪GeneralUtility::mkdir($absoluteSourceDirectory);
 
        $targetDirectory = 'typo3temp/var/tests/' . ‪StringUtility::getUniqueId('test_') . '/';
        $absoluteTargetDirectory = ‪Environment::getPublicPath() . '/' . $targetDirectory;
        $this->testFilesToDelete[] = $absoluteTargetDirectory;
 
        ‪GeneralUtility::writeFileToTypo3tempDir($absoluteSourceDirectory . 'file', '42');
        ‪GeneralUtility::mkdir($absoluteSourceDirectory . 'foo');
        ‪GeneralUtility::writeFileToTypo3tempDir($absoluteSourceDirectory . 'foo/file', '42');
 
        GeneralUtility::copyDirectory($absoluteSourceDirectory, $absoluteTargetDirectory);
 
        self::assertFileExists($absoluteTargetDirectory . 'file');
        self::assertFileExists($absoluteTargetDirectory . 'foo/file');
    }
 
    // Tests concerning deprecation log
 
    // Tests concerning callUserFunction
 
    public function ‪callUserFunctionWillThrowExceptionForInvalidParameters($functionName, $expectedException)
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode($expectedException);
 
        $inputData = ['foo' => 'bar'];
        GeneralUtility::callUserFunction($functionName, $inputData, $this);
    }
 
    public function ‪callUserFunctionInvalidParameterDataprovider()
    {
        return [
            'Function is not prefixed' => [self::class . '->calledUserFunction', 1294585865],
            'Class doesn\'t exists' => ['t3lib_divTest21345->user_calledUserFunction', 1294585866],
            'No method name' => [self::class, 1294585867],
            'No class name' => ['->user_calledUserFunction', 1294585866],
            'No function name' => ['', 1294585867]
        ];
    }
 
    public function ‪callUserFunctionCanCallFunction()
    {
        $inputData = ['foo' => 'bar'];
        $result = GeneralUtility::callUserFunction(function () {
            return 'Worked fine';
        }, $inputData, $this, '');
        self::assertEquals('Worked fine', $result);
    }
 
    public function ‪callUserFunctionCanCallMethod()
    {
        $inputData = ['foo' => 'bar'];
        $result = GeneralUtility::callUserFunction(self::class . '->user_calledUserFunction', $inputData, $this);
        self::assertEquals('Worked fine', $result);
    }
 
    public function ‪user_calledUserFunction()
    {
        return 'Worked fine';
    }
 
    public function ‪callUserFunctionAcceptsClosures()
    {
        $inputData = ['foo' => 'bar'];
        $closure = function ($parameters, $reference) use ($inputData) {
            $reference->assertEquals($inputData, $parameters, 'Passed data doesn\'t match expected output');
            return 'Worked fine';
        };
        self::assertEquals('Worked fine', GeneralUtility::callUserFunction($closure, $inputData, $this));
    }
 
    public function ‪callUserFunctionTrimsSpaces()
    {
        $inputData = ['foo' => 'bar'];
        $result = GeneralUtility::callUserFunction("\t" . self::class . '->user_calledUserFunction ', $inputData, $this);
        self::assertEquals('Worked fine', $result);
    }
 
    public function ‪getAllFilesAndFoldersInPathReturnsArrayWithMd5Keys()
    {
        $directory = ‪Environment::getVarPath() . '/tests/' . ‪StringUtility::getUniqueId('directory_');
        mkdir($directory);
        $filesAndDirectories = GeneralUtility::getAllFilesAndFoldersInPath([], $directory, '', true);
        $check = true;
        foreach ($filesAndDirectories as $md5 => $path) {
            if (!preg_match('/^[a-f0-9]{32}$/', $md5)) {
                $check = false;
            }
        }
        ‪GeneralUtility::rmdir($directory);
        self::assertTrue($check);
    }
 
    public function ‪array2xmlConvertsEmptyArraysToElementWithoutContent()
    {
        $input = [
            'el' => []
        ];
 
        ‪$output = GeneralUtility::array2xml($input);
 
        self::assertEquals('<phparray>
    <el type="array"></el>
</phparray>', ‪$output);
    }
 
    public function ‪xml2arrayUsesCache(): void
    {
        $cacheManagerProphecy = $this->prophesize(CacheManager::class);
        $cacheProphecy = $this->prophesize(FrontendInterface::class);
        $cacheManagerProphecy->getCache('runtime')->willReturn($cacheProphecy->reveal());
        $cacheProphecy->get('generalUtilityXml2Array')->shouldBeCalled()->willReturn(false);
        $cacheProphecy->set('generalUtilityXml2Array', Argument::cetera())->shouldBeCalled();
        GeneralUtility::setSingletonInstance(CacheManager::class, $cacheManagerProphecy->reveal());
        ‪GeneralUtility::xml2array('<?xml version="1.0" encoding="utf-8" standalone="yes"?>', 'T3:');
    }
 
    public function ‪xml2arrayProcessHandlesWhitespacesDataProvider(): array
    {
        $headerVariants = [
            'utf-8' => '<?xml version="1.0" encoding="utf-8" standalone="yes"?>',
            'UTF-8' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>',
            'no-encoding' => '<?xml version="1.0" standalone="yes"?>',
            'iso-8859-1' => '<?xml version="1.0" encoding="iso-8859-1" standalone="yes"?>',
            'ISO-8859-1' => '<?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?>',
        ];
        $data = [];
        foreach ($headerVariants as $identifier => $headerVariant) {
            $data += [
                'inputWithoutWhitespaces-' . $identifier => [
                    $headerVariant . '<T3FlexForms>
                        <data>
                            <field index="settings.persistenceIdentifier">
                                <value index="vDEF">egon</value>
                            </field>
                        </data>
                    </T3FlexForms>'
                ],
                'inputWithPrecedingWhitespaces-' . $identifier => [
                    CR . ' ' . $headerVariant . '<T3FlexForms>
                        <data>
                            <field index="settings.persistenceIdentifier">
                                <value index="vDEF">egon</value>
                            </field>
                        </data>
                    </T3FlexForms>'
                ],
                'inputWithTrailingWhitespaces-' . $identifier => [
                    $headerVariant . '<T3FlexForms>
                        <data>
                            <field index="settings.persistenceIdentifier">
                                <value index="vDEF">egon</value>
                            </field>
                        </data>
                    </T3FlexForms>' . CR . ' '
                ],
                'inputWithPrecedingAndTrailingWhitespaces-' . $identifier => [
                    CR . ' ' . $headerVariant . '<T3FlexForms>
                        <data>
                            <field index="settings.persistenceIdentifier">
                                <value index="vDEF">egon</value>
                            </field>
                        </data>
                    </T3FlexForms>' . CR . ' '
                ],
            ];
        }
        return $data;
    }
 
    public function ‪xml2arrayProcessHandlesWhitespaces(string $input): void
    {
        $expected = [
            'data' => [
                'settings.persistenceIdentifier' => [
                    'vDEF' => 'egon',
                ]
            ],
        ];
        self::assertSame($expected, ‪GeneralUtility::xml2arrayProcess($input));
    }
 
    public function ‪xml2arrayProcessHandlesTagNamespacesDataProvider(): array
    {
        return [
            'inputWithNameSpaceOnRootLevel' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3:T3FlexForms>
                    <data>
                        <field index="settings.persistenceIdentifier">
                            <value index="vDEF">egon</value>
                        </field>
                    </data>
                </T3:T3FlexForms>'
            ],
            'inputWithNameSpaceOnNonRootLevel' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3FlexForms>
                    <data>
                        <T3:field index="settings.persistenceIdentifier">
                            <value index="vDEF">egon</value>
                        </T3:field>
                    </data>
                </T3FlexForms>'
            ],
            'inputWithNameSpaceOnRootAndNonRootLevel' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3:T3FlexForms>
                    <data>
                        <T3:field index="settings.persistenceIdentifier">
                            <value index="vDEF">egon</value>
                        </T3:field>
                    </data>
                </T3:T3FlexForms>'
            ],
        ];
    }
 
    public function ‪xml2arrayProcessHandlesTagNamespaces(string $input): void
    {
        $expected = [
            'data' => [
                'settings.persistenceIdentifier' => [
                    'vDEF' => 'egon',
                ]
            ],
        ];
        self::assertSame($expected, ‪GeneralUtility::xml2arrayProcess($input, 'T3:'));
    }
 
    public function ‪xml2arrayProcessHandlesDocumentTagDataProvider(): array
    {
        return [
            'input' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3FlexForms>
                    <data>
                        <field index="settings.persistenceIdentifier">
                            <value index="vDEF">egon</value>
                        </field>
                    </data>
                </T3FlexForms>',
                'T3FlexForms'
            ],
            'input-with-root-namespace' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3:T3FlexForms>
                    <data>
                        <field index="settings.persistenceIdentifier">
                            <value index="vDEF">egon</value>
                        </field>
                    </data>
                </T3:T3FlexForms>',
                'T3:T3FlexForms'
            ],
            'input-with-namespace' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3FlexForms>
                    <data>
                        <T3:field index="settings.persistenceIdentifier">
                            <value index="vDEF">egon</value>
                        </T3:field>
                    </data>
                </T3FlexForms>',
                'T3FlexForms'
            ],
        ];
    }
 
    public function ‪xml2arrayProcessHandlesDocumentTag(string $input, string $docTag): void
    {
        $expected = [
            'data' => [
                'settings.persistenceIdentifier' => [
                    'vDEF' => 'egon',
                ]
            ],
            '_DOCUMENT_TAG' => $docTag
        ];
        self::assertSame($expected, ‪GeneralUtility::xml2arrayProcess($input, '', true));
    }
 
    public function ‪xml2ArrayProcessHandlesBigXmlContentDataProvider(): array
    {
        return [
            '1mb' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3:T3FlexForms>
                    <data>
                        <field index="settings.persistenceIdentifier">
                            <value index="vDEF">' . str_repeat('1', 1024 * 1024) . '</value>
                        </field>
                    </data>
                </T3:T3FlexForms>',
                str_repeat('1', 1024 * 1024)
            ],
            '5mb' => [
                '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
                <T3:T3FlexForms>
                    <data>
                        <field index="settings.persistenceIdentifier">
                            <value index="vDEF">' . str_repeat('1', 5 * 1024 * 1024) . '</value>
                        </field>
                    </data>
                </T3:T3FlexForms>',
                str_repeat('1', 5 * 1024 * 1024)
            ],
        ];
    }
 
    public function ‪xml2ArrayProcessHandlesBigXmlContent(string $input, string $testValue): void
    {
        $expected = [
            'data' => [
                'settings.persistenceIdentifier' => [
                    'vDEF' => $testValue,
                ]
            ],
        ];
        self::assertSame($expected, ‪GeneralUtility::xml2arrayProcess($input));
    }
 
    public function ‪xml2ArrayFailsWithXmlContentBiggerThanTenMegabytes()
    {
        self::markTestSkipped('This test does not pass in all environments. It should be evaluated whether this test is really needed or should be removed.');
        $cacheManagerProphecy = $this->prophesize(CacheManager::class);
        $cacheProphecy = $this->prophesize(FrontendInterface::class);
        $cacheManagerProphecy->getCache('runtime')->willReturn($cacheProphecy->reveal());
        $cacheProphecy->get('generalUtilityXml2Array')->shouldBeCalled()->willReturn(false);
        $cacheProphecy->set('generalUtilityXml2Array', Argument::cetera())->shouldBeCalled();
        GeneralUtility::setSingletonInstance(CacheManager::class, $cacheManagerProphecy->reveal());
        $input = '<?xml version="1.0" encoding="utf-8" standalone="yes"?>
            <T3:T3FlexForms>
                <data>
                    <field index="settings.persistenceIdentifier">
                        <value index="vDEF">' . str_repeat('1', 10 * 1024 * 1024) . '</value>
                    </field>
                </data>
            </T3:T3FlexForms>';
        self::assertStringContainsString('No memory', ‪GeneralUtility::xml2array($input));
    }
 
    public function ‪xml2ArrayProcessHandlesAttributeTypesDataProvider(): array
    {
        $prefix = '<?xml version="1.0" encoding="utf-8" standalone="yes"?><T3FlexForms><field index="index">';
        $suffix = '</field></T3FlexForms>';
        return [
            'no-type string' => [
                $prefix . '<value index="vDEF">foo bar</value>' . $suffix,
                'foo bar'
            ],
            'no-type integer' => [
                $prefix . '<value index="vDEF">123</value>' . $suffix,
                '123'
            ],
            'no-type double' => [
                $prefix . '<value index="vDEF">1.23</value>' . $suffix,
                '1.23'
            ],
            'integer integer' => [
                $prefix . '<value index="vDEF" type="integer">123</value>' . $suffix,
                123
            ],
            'integer double' => [
                $prefix . '<value index="vDEF" type="integer">1.23</value>' . $suffix,
                1
            ],
            'double integer' => [
                $prefix . '<value index="vDEF" type="double">123</value>' . $suffix,
                123.0
            ],
            'double double' => [
                $prefix . '<value index="vDEF" type="double">1.23</value>' . $suffix,
                1.23
            ],
            'boolean 0' => [
                $prefix . '<value index="vDEF" type="boolean">0</value>' . $suffix,
                false
            ],
            'boolean 1' => [
                $prefix . '<value index="vDEF" type="boolean">1</value>' . $suffix,
                true
            ],
            'boolean true' => [
                $prefix . '<value index="vDEF" type="boolean">true</value>' . $suffix,
                true
            ],
            'boolean false' => [
                $prefix . '<value index="vDEF" type="boolean">false</value>' . $suffix,
                true // sic(!)
            ],
            'NULL' => [
                $prefix . '<value index="vDEF" type="NULL"></value>' . $suffix,
                null
            ],
            'NULL string' => [
                $prefix . '<value index="vDEF" type="NULL">foo bar</value>' . $suffix,
                null
            ],
            'NULL integer' => [
                $prefix . '<value index="vDEF" type="NULL">123</value>' . $suffix,
                null
            ],
            'NULL double' => [
                $prefix . '<value index="vDEF" type="NULL">1.23</value>' . $suffix,
                null
            ],
            'array' => [
                $prefix . '<value index="vDEF" type="array"></value>' . $suffix,
                []
            ],
        ];
    }
 
    public function ‪xml2ArrayProcessHandlesAttributeTypes(string $input, $expected): void
    {
        $result = ‪GeneralUtility::xml2arrayProcess($input);
        self::assertSame($expected, $result['index']['vDEF']);
    }
 
    public function ‪locationHeaderUrlDataProvider(): array
    {
        return [
            'simple relative path' => [
                'foo',
                'foo.bar.test',
                'http://foo.bar.test/foo'
            ],
            'path beginning with slash' => [
                '/foo',
                'foo.bar.test',
                'http://foo.bar.test/foo'
            ],
            'path with full domain and https scheme' => [
                'https://example.com/foo',
                'foo.bar.test',
                'https://example.com/foo'
            ],
            'path with full domain and http scheme' => [
                'http://example.com/foo',
                'foo.bar.test',
                'http://example.com/foo'
            ],
            'path with full domain and relative scheme' => [
                '//example.com/foo',
                'foo.bar.test',
                '//example.com/foo'
            ],
        ];
    }
 
    public function ‪locationHeaderUrl($path, $host, $expected): void
    {
        ‪Environment::initialize(
            ‪Environment::getContext(),
            true,
            false,
            ‪Environment::getProjectPath(),
            ‪Environment::getPublicPath(),
            ‪Environment::getVarPath(),
            ‪Environment::getConfigPath(),
            ‪Environment::getCurrentScript(),
            ‪Environment::isWindows() ? 'WINDOWS' : 'UNIX'
        );
        $_SERVER['HTTP_HOST'] = $host;
        $_SERVER['SCRIPT_NAME'] = '/index.php';
        $result = GeneralUtility::locationHeaderUrl($path);
        self::assertSame($expected, $result);
    }
 
    public function ‪createVersionNumberedFilenameDoesNotResolveBackpathForAbsolutePath(): void
    {
        ‪$GLOBALS['TYPO3_CONF_VARS']['BE']['versionNumberInFilename'] = true;
 
        $uniqueFilename = ‪StringUtility::getUniqueId() . 'backend';
        $testFileDirectory = ‪Environment::getVarPath() . '/tests/';
        $testFilepath = $testFileDirectory . $uniqueFilename . '.css';
        $this->testFilesToDelete[] = $testFilepath;
        ‪GeneralUtility::mkdir_deep($testFileDirectory);
        touch($testFilepath);
 
        $versionedFilename = GeneralUtility::createVersionNumberedFilename($testFilepath);
 
        self::assertRegExp('/^.*\/tests\/' . $uniqueFilename . '\.[0-9]+\.css/', $versionedFilename);
    }
}