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vendor/symfony/finder/Tests/FinderTest.php
4f5a31d2
 <?php
 
 /*
  * This file is part of the Symfony package.
  *
  * (c) Fabien Potencier <fabien@symfony.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
 
 namespace Symfony\Component\Finder\Tests;
 
 use Symfony\Component\Finder\Finder;
 
 class FinderTest extends Iterator\RealIteratorTestCase
 {
     public function testCreate()
     {
         $this->assertInstanceOf('Symfony\Component\Finder\Finder', Finder::create());
     }
 
     public function testDirectories()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->directories());
         $this->assertIterator($this->toAbsolute(['foo', 'qux', 'toto']), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->directories();
         $finder->files();
         $finder->directories();
         $this->assertIterator($this->toAbsolute(['foo', 'qux', 'toto']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testFiles()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->files());
         $this->assertIterator($this->toAbsolute(['foo/bar.tmp',
             'test.php',
             'test.py',
             'foo bar',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->files();
         $finder->directories();
         $finder->files();
         $this->assertIterator($this->toAbsolute(['foo/bar.tmp',
             'test.php',
             'test.py',
             'foo bar',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testRemoveTrailingSlash()
     {
         $finder = $this->buildFinder();
 
         $expected = $this->toAbsolute([
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'foo bar',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]);
         $in = self::$tmpDir.'//';
 
         $this->assertIterator($expected, $finder->in($in)->files()->getIterator());
     }
 
     public function testSymlinksNotResolved()
     {
         if ('\\' === \DIRECTORY_SEPARATOR) {
             $this->markTestSkipped('symlinks are not supported on Windows');
         }
 
         $finder = $this->buildFinder();
 
         symlink($this->toAbsolute('foo'), $this->toAbsolute('baz'));
         $expected = $this->toAbsolute(['baz/bar.tmp']);
         $in = self::$tmpDir.'/baz/';
         try {
             $this->assertIterator($expected, $finder->in($in)->files()->getIterator());
             unlink($this->toAbsolute('baz'));
         } catch (\Exception $e) {
             unlink($this->toAbsolute('baz'));
             throw $e;
         }
     }
 
     public function testBackPathNotNormalized()
     {
         $finder = $this->buildFinder();
 
         $expected = $this->toAbsolute(['foo/../foo/bar.tmp']);
         $in = self::$tmpDir.'/foo/../foo/';
         $this->assertIterator($expected, $finder->in($in)->files()->getIterator());
     }
 
     public function testDepth()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->depth('< 1'));
         $this->assertIterator($this->toAbsolute(['foo',
             'test.php',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->depth('<= 0'));
         $this->assertIterator($this->toAbsolute(['foo',
             'test.php',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->depth('>= 1'));
         $this->assertIterator($this->toAbsolute([
             'foo/bar.tmp',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->depth('< 1')->depth('>= 1');
         $this->assertIterator([], $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testDepthWithArrayParam()
     {
         $finder = $this->buildFinder();
         $finder->depth(['>= 1', '< 2']);
         $this->assertIterator($this->toAbsolute([
             'foo/bar.tmp',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testName()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->name('*.php'));
         $this->assertIterator($this->toAbsolute([
             'test.php',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->name('test.ph*');
         $finder->name('test.py');
         $this->assertIterator($this->toAbsolute(['test.php', 'test.py']), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->name('~^test~i');
         $this->assertIterator($this->toAbsolute(['test.php', 'test.py']), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->name('~\\.php$~i');
         $this->assertIterator($this->toAbsolute([
             'test.php',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->name('test.p{hp,y}');
         $this->assertIterator($this->toAbsolute(['test.php', 'test.py']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testNameWithArrayParam()
     {
         $finder = $this->buildFinder();
         $finder->name(['test.php', 'test.py']);
         $this->assertIterator($this->toAbsolute(['test.php', 'test.py']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testNotName()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->notName('*.php'));
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->notName('*.php');
         $finder->notName('*.py');
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'toto',
             'foo bar',
             'qux',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->name('test.ph*');
         $finder->name('test.py');
         $finder->notName('*.php');
         $finder->notName('*.py');
         $this->assertIterator([], $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->name('test.ph*');
         $finder->name('test.py');
         $finder->notName('*.p{hp,y}');
         $this->assertIterator([], $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testNotNameWithArrayParam()
     {
         $finder = $this->buildFinder();
         $finder->notName(['*.php', '*.py']);
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'toto',
             'foo bar',
             'qux',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     /**
      * @dataProvider getRegexNameTestData
      */
     public function testRegexName($regex)
     {
         $finder = $this->buildFinder();
         $finder->name($regex);
         $this->assertIterator($this->toAbsolute([
             'test.py',
             'test.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSize()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->files()->size('< 1K')->size('> 500'));
         $this->assertIterator($this->toAbsolute(['test.php']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSizeWithArrayParam()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->files()->size(['< 1K', '> 500']));
         $this->assertIterator($this->toAbsolute(['test.php']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testDate()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->files()->date('until last month'));
         $this->assertIterator($this->toAbsolute(['foo/bar.tmp', 'test.php']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testDateWithArrayParam()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->files()->date(['>= 2005-10-15', 'until last month']));
         $this->assertIterator($this->toAbsolute(['foo/bar.tmp', 'test.php']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testExclude()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->exclude('foo'));
         $this->assertIterator($this->toAbsolute([
             'test.php',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testIgnoreVCS()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->ignoreVCS(false)->ignoreDotFiles(false));
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             '.git',
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'toto/.git',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->ignoreVCS(false)->ignoreVCS(false)->ignoreDotFiles(false);
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             '.git',
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'toto/.git',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->ignoreVCS(true)->ignoreDotFiles(false));
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testIgnoreVCSIgnored()
     {
         $finder = $this->buildFinder();
         $this->assertSame(
             $finder,
             $finder
                 ->ignoreVCS(true)
                 ->ignoreDotFiles(true)
                 ->ignoreVCSIgnored(true)
         );
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testIgnoreVCSCanBeDisabledAfterFirstIteration()
     {
         $finder = $this->buildFinder();
         $finder->in(self::$tmpDir);
         $finder->ignoreDotFiles(false);
 
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             'foo',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo bar',
         ]), $finder->getIterator());
 
         $finder->ignoreVCS(false);
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             '.git',
             'foo',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
             'toto/.git',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo bar',
         ]), $finder->getIterator());
     }
 
     public function testIgnoreDotFiles()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->ignoreDotFiles(false)->ignoreVCS(false));
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             '.git',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'toto/.git',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $finder->ignoreDotFiles(false)->ignoreDotFiles(false)->ignoreVCS(false);
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             '.git',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'toto/.git',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->ignoreDotFiles(true)->ignoreVCS(false));
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testIgnoreDotFilesCanBeDisabledAfterFirstIteration()
     {
         $finder = $this->buildFinder();
         $finder->in(self::$tmpDir);
 
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
             'foo bar',
         ]), $finder->getIterator());
 
         $finder->ignoreDotFiles(false);
         $this->assertIterator($this->toAbsolute([
             '.gitignore',
             'foo',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
             '.bar',
             '.foo',
             '.foo/.bar',
             '.foo/bar',
             'foo bar',
         ]), $finder->getIterator());
     }
 
     public function testSortByName()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByName());
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo bar',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSortByType()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByType());
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo bar',
             'toto',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSortByAccessedTime()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByAccessedTime());
         $this->assertIterator($this->toAbsolute([
             'foo/bar.tmp',
             'test.php',
             'toto',
             'test.py',
             'foo',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSortByChangedTime()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByChangedTime());
         $this->assertIterator($this->toAbsolute([
             'toto',
             'test.py',
             'test.php',
             'foo/bar.tmp',
             'foo',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSortByModifiedTime()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByModifiedTime());
         $this->assertIterator($this->toAbsolute([
             'foo/bar.tmp',
             'test.php',
             'toto',
             'test.py',
             'foo',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testReverseSorting()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByName());
         $this->assertSame($finder, $finder->reverseSorting());
         $this->assertOrderedIteratorInForeach($this->toAbsolute([
             'toto',
             'test.py',
             'test.php',
             'qux_2_0.php',
             'qux_12_0.php',
             'qux_10_2.php',
             'qux_1002_0.php',
             'qux_1000_1.php',
             'qux_0_1.php',
             'qux/baz_1_2.py',
             'qux/baz_100_1.py',
             'qux',
             'foo/bar.tmp',
             'foo bar',
             'foo',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSortByNameNatural()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByName(true));
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo bar',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
         ]), $finder->in(self::$tmpDir)->getIterator());
 
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sortByName(false));
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo bar',
             'foo/bar.tmp',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
             'test.php',
             'test.py',
             'toto',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testSort()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->sort(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealPath(), $b->getRealPath()); }));
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo bar',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testFilter()
     {
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->filter(function (\SplFileInfo $f) { return false !== strpos($f, 'test'); }));
         $this->assertIterator($this->toAbsolute(['test.php', 'test.py']), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testFollowLinks()
     {
         if ('\\' == \DIRECTORY_SEPARATOR) {
             $this->markTestSkipped('symlinks are not supported on Windows');
         }
 
         $finder = $this->buildFinder();
         $this->assertSame($finder, $finder->followLinks());
         $this->assertIterator($this->toAbsolute([
             'foo',
             'foo/bar.tmp',
             'test.php',
             'test.py',
             'toto',
             'foo bar',
             'qux',
             'qux/baz_100_1.py',
             'qux/baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ]), $finder->in(self::$tmpDir)->getIterator());
     }
 
     public function testIn()
     {
         $finder = $this->buildFinder();
         $iterator = $finder->files()->name('*.php')->depth('< 1')->in([self::$tmpDir, __DIR__])->getIterator();
 
         $expected = [
             self::$tmpDir.\DIRECTORY_SEPARATOR.'test.php',
             __DIR__.\DIRECTORY_SEPARATOR.'GitignoreTest.php',
             __DIR__.\DIRECTORY_SEPARATOR.'FinderTest.php',
             __DIR__.\DIRECTORY_SEPARATOR.'GlobTest.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_0_1.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_1000_1.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_1002_0.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_10_2.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_12_0.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_2_0.php',
         ];
 
         $this->assertIterator($expected, $iterator);
     }
 
     /**
      * @expectedException \Symfony\Component\Finder\Exception\DirectoryNotFoundException
      */
     public function testInWithNonExistentDirectory()
     {
         $finder = new Finder();
         $finder->in('foobar');
     }
 
     /**
      * @expectedException \InvalidArgumentException
      */
     public function testInWithNonExistentDirectoryLegacyException()
     {
         $finder = new Finder();
         $finder->in('foobar');
     }
 
     public function testInWithGlob()
     {
         $finder = $this->buildFinder();
         $finder->in([__DIR__.'/Fixtures/*/B/C/', __DIR__.'/Fixtures/*/*/B/C/'])->getIterator();
 
         $this->assertIterator($this->toAbsoluteFixtures(['A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy']), $finder);
     }
 
     /**
      * @expectedException \InvalidArgumentException
      */
     public function testInWithNonDirectoryGlob()
     {
         $finder = new Finder();
         $finder->in(__DIR__.'/Fixtures/A/a*');
     }
 
     public function testInWithGlobBrace()
     {
         if (!\defined('GLOB_BRACE')) {
             $this->markTestSkipped('Glob brace is not supported on this system.');
         }
 
         $finder = $this->buildFinder();
         $finder->in([__DIR__.'/Fixtures/{A,copy/A}/B/C'])->getIterator();
 
         $this->assertIterator($this->toAbsoluteFixtures(['A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy']), $finder);
     }
 
     /**
      * @expectedException \LogicException
      */
     public function testGetIteratorWithoutIn()
     {
         $finder = Finder::create();
         $finder->getIterator();
     }
 
     public function testGetIterator()
     {
         $finder = $this->buildFinder();
         $dirs = [];
         foreach ($finder->directories()->in(self::$tmpDir) as $dir) {
             $dirs[] = (string) $dir;
         }
 
         $expected = $this->toAbsolute(['foo', 'qux', 'toto']);
 
         sort($dirs);
         sort($expected);
 
         $this->assertEquals($expected, $dirs, 'implements the \IteratorAggregate interface');
 
         $finder = $this->buildFinder();
         $this->assertEquals(3, iterator_count($finder->directories()->in(self::$tmpDir)), 'implements the \IteratorAggregate interface');
 
         $finder = $this->buildFinder();
         $a = iterator_to_array($finder->directories()->in(self::$tmpDir));
         $a = array_values(array_map('strval', $a));
         sort($a);
         $this->assertEquals($expected, $a, 'implements the \IteratorAggregate interface');
     }
 
     public function testRelativePath()
     {
         $finder = $this->buildFinder()->in(self::$tmpDir);
 
         $paths = [];
 
         foreach ($finder as $file) {
             $paths[] = $file->getRelativePath();
         }
 
         $ref = ['', '', '', '', '', '', '', '', '', '', '', 'foo', 'qux', 'qux', ''];
 
         sort($ref);
         sort($paths);
 
         $this->assertEquals($ref, $paths);
     }
 
     public function testRelativePathname()
     {
         $finder = $this->buildFinder()->in(self::$tmpDir)->sortByName();
 
         $paths = [];
 
         foreach ($finder as $file) {
             $paths[] = $file->getRelativePathname();
         }
 
         $ref = [
             'test.php',
             'toto',
             'test.py',
             'foo',
             'foo'.\DIRECTORY_SEPARATOR.'bar.tmp',
             'foo bar',
             'qux',
             'qux'.\DIRECTORY_SEPARATOR.'baz_100_1.py',
             'qux'.\DIRECTORY_SEPARATOR.'baz_1_2.py',
             'qux_0_1.php',
             'qux_1000_1.php',
             'qux_1002_0.php',
             'qux_10_2.php',
             'qux_12_0.php',
             'qux_2_0.php',
         ];
 
         sort($paths);
         sort($ref);
 
         $this->assertEquals($ref, $paths);
     }
 
     public function testGetFilenameWithoutExtension()
     {
         $finder = $this->buildFinder()->in(self::$tmpDir)->sortByName();
 
         $fileNames = [];
 
         foreach ($finder as $file) {
             $fileNames[] = $file->getFilenameWithoutExtension();
         }
 
         $ref = [
             'test',
             'toto',
             'test',
             'foo',
             'bar',
             'foo bar',
             'qux',
             'baz_100_1',
             'baz_1_2',
             'qux_0_1',
             'qux_1000_1',
             'qux_1002_0',
             'qux_10_2',
             'qux_12_0',
             'qux_2_0',
         ];
 
         sort($fileNames);
         sort($ref);
 
         $this->assertEquals($ref, $fileNames);
     }
 
     public function testAppendWithAFinder()
     {
         $finder = $this->buildFinder();
         $finder->files()->in(self::$tmpDir.\DIRECTORY_SEPARATOR.'foo');
 
         $finder1 = $this->buildFinder();
         $finder1->directories()->in(self::$tmpDir);
 
         $finder = $finder->append($finder1);
 
         $this->assertIterator($this->toAbsolute(['foo', 'foo/bar.tmp', 'qux', 'toto']), $finder->getIterator());
     }
 
     public function testAppendWithAnArray()
     {
         $finder = $this->buildFinder();
         $finder->files()->in(self::$tmpDir.\DIRECTORY_SEPARATOR.'foo');
 
         $finder->append($this->toAbsolute(['foo', 'toto']));
 
         $this->assertIterator($this->toAbsolute(['foo', 'foo/bar.tmp', 'toto']), $finder->getIterator());
     }
 
     public function testAppendReturnsAFinder()
     {
         $this->assertInstanceOf('Symfony\\Component\\Finder\\Finder', Finder::create()->append([]));
     }
 
     public function testAppendDoesNotRequireIn()
     {
         $finder = $this->buildFinder();
         $finder->in(self::$tmpDir.\DIRECTORY_SEPARATOR.'foo');
 
         $finder1 = Finder::create()->append($finder);
 
         $this->assertIterator(iterator_to_array($finder->getIterator()), $finder1->getIterator());
     }
 
     public function testCountDirectories()
     {
         $directory = Finder::create()->directories()->in(self::$tmpDir);
         $i = 0;
 
         foreach ($directory as $dir) {
             ++$i;
         }
 
         $this->assertCount($i, $directory);
     }
 
     public function testCountFiles()
     {
         $files = Finder::create()->files()->in(__DIR__.\DIRECTORY_SEPARATOR.'Fixtures');
         $i = 0;
 
         foreach ($files as $file) {
             ++$i;
         }
 
         $this->assertCount($i, $files);
     }
 
     /**
      * @expectedException \LogicException
      */
     public function testCountWithoutIn()
     {
         $finder = Finder::create()->files();
         \count($finder);
     }
 
     public function testHasResults()
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__);
         $this->assertTrue($finder->hasResults());
     }
 
     public function testNoResults()
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__)->name('DoesNotExist');
         $this->assertFalse($finder->hasResults());
     }
 
     /**
      * @dataProvider getContainsTestData
      */
     public function testContains($matchPatterns, $noMatchPatterns, $expected)
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__.\DIRECTORY_SEPARATOR.'Fixtures')
             ->name('*.txt')->sortByName()
             ->contains($matchPatterns)
             ->notContains($noMatchPatterns);
 
         $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
     }
 
     public function testContainsOnDirectory()
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__)
             ->directories()
             ->name('Fixtures')
             ->contains('abc');
         $this->assertIterator([], $finder);
     }
 
     public function testNotContainsOnDirectory()
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__)
             ->directories()
             ->name('Fixtures')
             ->notContains('abc');
         $this->assertIterator([], $finder);
     }
 
     /**
      * Searching in multiple locations involves AppendIterator which does an unnecessary rewind which leaves FilterIterator
      * with inner FilesystemIterator in an invalid state.
      *
      * @see https://bugs.php.net/68557
      */
     public function testMultipleLocations()
     {
         $locations = [
             self::$tmpDir.'/',
             self::$tmpDir.'/toto/',
         ];
 
         // it is expected that there are test.py test.php in the tmpDir
         $finder = new Finder();
         $finder->in($locations)
             // the default flag IGNORE_DOT_FILES fixes the problem indirectly
             // so we set it to false for better isolation
             ->ignoreDotFiles(false)
             ->depth('< 1')->name('test.php');
 
         $this->assertCount(1, $finder);
     }
 
     /**
      * Searching in multiple locations with sub directories involves
      * AppendIterator which does an unnecessary rewind which leaves
      * FilterIterator with inner FilesystemIterator in an invalid state.
      *
      * @see https://bugs.php.net/68557
      */
     public function testMultipleLocationsWithSubDirectories()
     {
         $locations = [
             __DIR__.'/Fixtures/one',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'toto',
         ];
 
         $finder = $this->buildFinder();
         $finder->in($locations)->depth('< 10')->name('*.neon');
 
         $expected = [
             __DIR__.'/Fixtures/one'.\DIRECTORY_SEPARATOR.'b'.\DIRECTORY_SEPARATOR.'c.neon',
             __DIR__.'/Fixtures/one'.\DIRECTORY_SEPARATOR.'b'.\DIRECTORY_SEPARATOR.'d.neon',
         ];
 
         $this->assertIterator($expected, $finder);
         $this->assertIteratorInForeach($expected, $finder);
     }
 
     /**
      * Iterator keys must be the file pathname.
      */
     public function testIteratorKeys()
     {
         $finder = $this->buildFinder()->in(self::$tmpDir);
         foreach ($finder as $key => $file) {
             $this->assertEquals($file->getPathname(), $key);
         }
     }
 
     public function testRegexSpecialCharsLocationWithPathRestrictionContainingStartFlag()
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__.\DIRECTORY_SEPARATOR.'Fixtures'.\DIRECTORY_SEPARATOR.'r+e.gex[c]a(r)s')
             ->path('/^dir/');
 
         $expected = ['r+e.gex[c]a(r)s'.\DIRECTORY_SEPARATOR.'dir', 'r+e.gex[c]a(r)s'.\DIRECTORY_SEPARATOR.'dir'.\DIRECTORY_SEPARATOR.'bar.dat'];
         $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
     }
 
     public function getContainsTestData()
     {
         return [
             ['', '', []],
             ['foo', 'bar', []],
             ['', 'foobar', ['dolor.txt', 'ipsum.txt', 'lorem.txt']],
             ['lorem ipsum dolor sit amet', 'foobar', ['lorem.txt']],
             ['sit', 'bar', ['dolor.txt', 'ipsum.txt', 'lorem.txt']],
             ['dolor sit amet', '@^L@m', ['dolor.txt', 'ipsum.txt']],
             ['/^lorem ipsum dolor sit amet$/m', 'foobar', ['lorem.txt']],
             ['lorem', 'foobar', ['lorem.txt']],
             ['', 'lorem', ['dolor.txt', 'ipsum.txt']],
             ['ipsum dolor sit amet', '/^IPSUM/m', ['lorem.txt']],
             [['lorem', 'dolor'], [], ['lorem.txt', 'ipsum.txt', 'dolor.txt']],
             ['', ['lorem', 'ipsum'], ['dolor.txt']],
         ];
     }
 
     public function getRegexNameTestData()
     {
         return [
             ['~.*t\\.p.+~i'],
             ['~t.*s~i'],
         ];
     }
 
     /**
      * @dataProvider getTestPathData
      */
     public function testPath($matchPatterns, $noMatchPatterns, array $expected)
     {
         $finder = $this->buildFinder();
         $finder->in(__DIR__.\DIRECTORY_SEPARATOR.'Fixtures')
             ->path($matchPatterns)
             ->notPath($noMatchPatterns);
 
         $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
     }
 
     public function getTestPathData()
     {
         return [
             ['', '', []],
             ['/^A\/B\/C/', '/C$/',
                 ['A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat'],
             ],
             ['/^A\/B/', 'foobar',
                 [
                     'A'.\DIRECTORY_SEPARATOR.'B',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'ab.dat',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat',
                 ],
             ],
             ['A/B/C', 'foobar',
                 [
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat',
                     'copy'.\DIRECTORY_SEPARATOR.'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     'copy'.\DIRECTORY_SEPARATOR.'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat.copy',
                 ],
             ],
             ['A/B', 'foobar',
                 [
                     //dirs
                     'A'.\DIRECTORY_SEPARATOR.'B',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     'copy'.\DIRECTORY_SEPARATOR.'A'.\DIRECTORY_SEPARATOR.'B',
                     'copy'.\DIRECTORY_SEPARATOR.'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     //files
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'ab.dat',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat',
                     'copy'.\DIRECTORY_SEPARATOR.'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'ab.dat.copy',
                     'copy'.\DIRECTORY_SEPARATOR.'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat.copy',
                 ],
             ],
             ['/^with space\//', 'foobar',
                 [
                     'with space'.\DIRECTORY_SEPARATOR.'foo.txt',
                 ],
             ],
             [
                 '/^A/',
                 ['a.dat', 'abc.dat'],
                 [
                     'A',
                     'A'.\DIRECTORY_SEPARATOR.'B',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'ab.dat',
                 ],
             ],
             [
                 ['/^A/', 'one'],
                 'foobar',
                 [
                     'A',
                     'A'.\DIRECTORY_SEPARATOR.'B',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C',
                     'A'.\DIRECTORY_SEPARATOR.'a.dat',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'ab.dat',
                     'A'.\DIRECTORY_SEPARATOR.'B'.\DIRECTORY_SEPARATOR.'C'.\DIRECTORY_SEPARATOR.'abc.dat',
                     'one',
                     'one'.\DIRECTORY_SEPARATOR.'a',
                     'one'.\DIRECTORY_SEPARATOR.'b',
                     'one'.\DIRECTORY_SEPARATOR.'b'.\DIRECTORY_SEPARATOR.'c.neon',
                     'one'.\DIRECTORY_SEPARATOR.'b'.\DIRECTORY_SEPARATOR.'d.neon',
                 ],
             ],
         ];
     }
 
     public function testAccessDeniedException()
     {
         if ('\\' === \DIRECTORY_SEPARATOR) {
             $this->markTestSkipped('chmod is not supported on Windows');
         }
 
         $finder = $this->buildFinder();
         $finder->files()->in(self::$tmpDir);
 
         // make 'foo' directory non-readable
         $testDir = self::$tmpDir.\DIRECTORY_SEPARATOR.'foo';
         chmod($testDir, 0333);
 
         if (false === $couldRead = is_readable($testDir)) {
             try {
                 $this->assertIterator($this->toAbsolute(['foo bar', 'test.php', 'test.py']), $finder->getIterator());
                 $this->fail('Finder should throw an exception when opening a non-readable directory.');
             } catch (\Exception $e) {
                 $expectedExceptionClass = 'Symfony\\Component\\Finder\\Exception\\AccessDeniedException';
                 if ($e instanceof \PHPUnit_Framework_ExpectationFailedException) {
                     $this->fail(sprintf("Expected exception:\n%s\nGot:\n%s\nWith comparison failure:\n%s", $expectedExceptionClass, 'PHPUnit_Framework_ExpectationFailedException', $e->getComparisonFailure()->getExpectedAsString()));
                 }
 
                 if ($e instanceof \PHPUnit\Framework\ExpectationFailedException) {
                     $this->fail(sprintf("Expected exception:\n%s\nGot:\n%s\nWith comparison failure:\n%s", $expectedExceptionClass, '\PHPUnit\Framework\ExpectationFailedException', $e->getComparisonFailure()->getExpectedAsString()));
                 }
 
                 $this->assertInstanceOf($expectedExceptionClass, $e);
             }
         }
 
         // restore original permissions
         chmod($testDir, 0777);
         clearstatcache(true, $testDir);
 
         if ($couldRead) {
             $this->markTestSkipped('could read test files while test requires unreadable');
         }
     }
 
     public function testIgnoredAccessDeniedException()
     {
         if ('\\' === \DIRECTORY_SEPARATOR) {
             $this->markTestSkipped('chmod is not supported on Windows');
         }
 
         $finder = $this->buildFinder();
         $finder->files()->ignoreUnreadableDirs()->in(self::$tmpDir);
 
         // make 'foo' directory non-readable
         $testDir = self::$tmpDir.\DIRECTORY_SEPARATOR.'foo';
         chmod($testDir, 0333);
 
         if (false === ($couldRead = is_readable($testDir))) {
             $this->assertIterator($this->toAbsolute([
                 'foo bar',
                 'test.php',
                 'test.py',
                 'qux/baz_100_1.py',
                 'qux/baz_1_2.py',
                 'qux_0_1.php',
                 'qux_1000_1.php',
                 'qux_1002_0.php',
                 'qux_10_2.php',
                 'qux_12_0.php',
                 'qux_2_0.php',
                 ]
             ), $finder->getIterator());
         }
 
         // restore original permissions
         chmod($testDir, 0777);
         clearstatcache(true, $testDir);
 
         if ($couldRead) {
             $this->markTestSkipped('could read test files while test requires unreadable');
         }
     }
 
     /**
      * @group legacy
      * @expectedDeprecation The "Symfony\Component\Finder\Finder::sortByName()" method will have a new "bool $useNaturalSort = false" argument in version 5.0, not defining it is deprecated since Symfony 4.2.
      */
     public function testInheritedClassCallSortByNameWithNoArguments()
     {
         $finderChild = new ClassThatInheritFinder();
         $finderChild->sortByName();
     }
 
     protected function buildFinder()
     {
         return Finder::create();
     }
 }
 
 class ClassThatInheritFinder extends Finder
 {
     public function sortByName()
     {
         parent::sortByName();
     }
 }