1 files changed, 869 insertions, 0 deletions
diff --git a/Aufgabe06/vendor/symfony/finder/Symfony/Component/Finder/Tests/FinderTest.php b/Aufgabe06/vendor/symfony/finder/Symfony/Component/Finder/Tests/FinderTest.php
new file mode 100644
index 0000000..fe0984d
--- /dev/null
+++ b/Aufgabe06/vendor/symfony/finder/Symfony/Component/Finder/Tests/FinderTest.php
@@ -0,0 +1,869 @@
+<?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;
+use Symfony\Component\Finder\Adapter;
+
+class FinderTest extends Iterator\RealIteratorTestCase
+{
+    public function testCreate()
+    {
+        $this->assertInstanceOf('Symfony\Component\Finder\Finder', Finder::create());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testDirectories($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->directories());
+        $this->assertIterator($this->toAbsolute(array('foo', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->directories();
+        $finder->files();
+        $finder->directories();
+        $this->assertIterator($this->toAbsolute(array('foo', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testFiles($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->files());
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'test.py', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->files();
+        $finder->directories();
+        $finder->files();
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'test.py', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testDepth($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->depth('< 1'));
+        $this->assertIterator($this->toAbsolute(array('foo', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->depth('<= 0'));
+        $this->assertIterator($this->toAbsolute(array('foo', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->depth('>= 1'));
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->depth('< 1')->depth('>= 1');
+        $this->assertIterator(array(), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testName($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->name('*.php'));
+        $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->name('test.ph*');
+        $finder->name('test.py');
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->name('~^test~i');
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->name('~\\.php$~i');
+        $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->name('test.p{hp,y}');
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testNotName($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->notName('*.php'));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->notName('*.php');
+        $finder->notName('*.py');
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->name('test.ph*');
+        $finder->name('test.py');
+        $finder->notName('*.php');
+        $finder->notName('*.py');
+        $this->assertIterator(array(), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->name('test.ph*');
+        $finder->name('test.py');
+        $finder->notName('*.p{hp,y}');
+        $this->assertIterator(array(), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getRegexNameTestData
+     *
+     * @group regexName
+     */
+    public function testRegexName($adapter, $regex)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->name($regex);
+        $this->assertIterator($this->toAbsolute(array('test.py', 'test.php')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSize($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->files()->size('< 1K')->size('> 500'));
+        $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testDate($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->files()->date('until last month'));
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testExclude($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->exclude('foo'));
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testIgnoreVCS($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->ignoreVCS(false)->ignoreDotFiles(false));
+        $this->assertIterator($this->toAbsolute(array('.git', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->ignoreVCS(false)->ignoreVCS(false)->ignoreDotFiles(false);
+        $this->assertIterator($this->toAbsolute(array('.git', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->ignoreVCS(true)->ignoreDotFiles(false));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testIgnoreDotFiles($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->ignoreDotFiles(false)->ignoreVCS(false));
+        $this->assertIterator($this->toAbsolute(array('.git', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $finder->ignoreDotFiles(false)->ignoreDotFiles(false)->ignoreVCS(false);
+        $this->assertIterator($this->toAbsolute(array('.git', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->ignoreDotFiles(true)->ignoreVCS(false));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSortByName($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->sortByName());
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSortByType($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->sortByType());
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'toto', 'foo/bar.tmp', 'test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSortByAccessedTime($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->sortByAccessedTime());
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'toto', 'test.py', 'foo', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSortByChangedTime($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->sortByChangedTime());
+        $this->assertIterator($this->toAbsolute(array('toto', 'test.py', 'test.php', 'foo/bar.tmp', 'foo', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSortByModifiedTime($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->sortByModifiedTime());
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'toto', 'test.py', 'foo', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testSort($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->sort(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealpath(), $b->getRealpath()); }));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testFilter($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->filter(function (\SplFileInfo $f) { return preg_match('/test/', $f) > 0; }));
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testFollowLinks($adapter)
+    {
+        if ('\\' == DIRECTORY_SEPARATOR) {
+            return;
+        }
+
+        $finder = $this->buildFinder($adapter);
+        $this->assertSame($finder, $finder->followLinks());
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testIn($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        try {
+            $finder->in('foobar');
+            $this->fail('->in() throws a \InvalidArgumentException if the directory does not exist');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('InvalidArgumentException', $e, '->in() throws a \InvalidArgumentException if the directory does not exist');
+        }
+
+        $finder = $this->buildFinder($adapter);
+        $iterator = $finder->files()->name('*.php')->depth('< 1')->in(array(self::$tmpDir, __DIR__))->getIterator();
+
+        $this->assertIterator(array(self::$tmpDir.DIRECTORY_SEPARATOR.'test.php', __DIR__.DIRECTORY_SEPARATOR.'FinderTest.php'), $iterator);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testInWithGlob($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(array(__DIR__.'/Fixtures/*/B/C', __DIR__.'/Fixtures/*/*/B/C'))->getIterator();
+
+        $this->assertIterator($this->toAbsoluteFixtures(array('A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy')), $finder);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     * @expectedException \InvalidArgumentException
+     */
+    public function testInWithNonDirectoryGlob($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__.'/Fixtures/A/a*');
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testInWithGlobBrace($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(array(__DIR__.'/Fixtures/{A,copy/A}/B/C'))->getIterator();
+
+        $this->assertIterator($this->toAbsoluteFixtures(array('A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy')), $finder);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testGetIterator($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        try {
+            $finder->getIterator();
+            $this->fail('->getIterator() throws a \LogicException if the in() method has not been called');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('LogicException', $e, '->getIterator() throws a \LogicException if the in() method has not been called');
+        }
+
+        $finder = $this->buildFinder($adapter);
+        $dirs = array();
+        foreach ($finder->directories()->in(self::$tmpDir) as $dir) {
+            $dirs[] = (string) $dir;
+        }
+
+        $expected = $this->toAbsolute(array('foo', 'toto'));
+
+        sort($dirs);
+        sort($expected);
+
+        $this->assertEquals($expected, $dirs, 'implements the \IteratorAggregate interface');
+
+        $finder = $this->buildFinder($adapter);
+        $this->assertEquals(2, iterator_count($finder->directories()->in(self::$tmpDir)), 'implements the \IteratorAggregate interface');
+
+        $finder = $this->buildFinder($adapter);
+        $a = iterator_to_array($finder->directories()->in(self::$tmpDir));
+        $a = array_values(array_map(function ($a) { return (string) $a; }, $a));
+        sort($a);
+        $this->assertEquals($expected, $a, 'implements the \IteratorAggregate interface');
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testRelativePath($adapter)
+    {
+        $finder = $this->buildFinder($adapter)->in(self::$tmpDir);
+
+        $paths = array();
+
+        foreach ($finder as $file) {
+            $paths[] = $file->getRelativePath();
+        }
+
+        $ref = array('', '', '', '', 'foo', '');
+
+        sort($ref);
+        sort($paths);
+
+        $this->assertEquals($ref, $paths);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testRelativePathname($adapter)
+    {
+        $finder = $this->buildFinder($adapter)->in(self::$tmpDir)->sortByName();
+
+        $paths = array();
+
+        foreach ($finder as $file) {
+            $paths[] = $file->getRelativePathname();
+        }
+
+        $ref = array('test.php', 'toto', 'test.py', 'foo', 'foo'.DIRECTORY_SEPARATOR.'bar.tmp', 'foo bar');
+
+        sort($paths);
+        sort($ref);
+
+        $this->assertEquals($ref, $paths);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testAppendWithAFinder($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->files()->in(self::$tmpDir.DIRECTORY_SEPARATOR.'foo');
+
+        $finder1 = $this->buildFinder($adapter);
+        $finder1->directories()->in(self::$tmpDir);
+
+        $finder = $finder->append($finder1);
+
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto')), $finder->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testAppendWithAnArray($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->files()->in(self::$tmpDir.DIRECTORY_SEPARATOR.'foo');
+
+        $finder->append($this->toAbsolute(array('foo', 'toto')));
+
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto')), $finder->getIterator());
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testAppendReturnsAFinder($adapter)
+    {
+        $this->assertInstanceOf('Symfony\\Component\\Finder\\Finder', $this->buildFinder($adapter)->append(array()));
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testAppendDoesNotRequireIn($adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(self::$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);
+    }
+
+    /**
+     * @dataProvider getContainsTestData
+     * @group grep
+     */
+    public function testContains($adapter, $matchPatterns, $noMatchPatterns, $expected)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures')
+            ->name('*.txt')->sortByName()
+            ->contains($matchPatterns)
+            ->notContains($noMatchPatterns);
+
+        $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testContainsOnDirectory(Adapter\AdapterInterface $adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__)
+            ->directories()
+            ->name('Fixtures')
+            ->contains('abc');
+        $this->assertIterator(array(), $finder);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testNotContainsOnDirectory(Adapter\AdapterInterface $adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__)
+            ->directories()
+            ->name('Fixtures')
+            ->notContains('abc');
+        $this->assertIterator(array(), $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/bug.php?id=49104
+     *
+     * @dataProvider getAdaptersTestData
+     */
+    public function testMultipleLocations(Adapter\AdapterInterface $adapter)
+    {
+        $locations = array(
+            self::$tmpDir.'/',
+            self::$tmpDir.'/toto/',
+        );
+
+        // it is expected that there are test.py test.php in the tmpDir
+        $finder = $this->buildFinder($adapter);
+        $finder->in($locations)->depth('< 1')->name('test.php');
+
+        $this->assertCount(1, $finder);
+    }
+
+    /**
+     * Iterator keys must be the file pathname.
+     *
+     * @dataProvider getAdaptersTestData
+     */
+    public function testIteratorKeys(Adapter\AdapterInterface $adapter)
+    {
+        $finder = $this->buildFinder($adapter)->in(self::$tmpDir);
+        foreach ($finder as $key => $file) {
+            $this->assertEquals($file->getPathname(), $key);
+        }
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testRegexSpecialCharsLocationWithPathRestrictionContainingStartFlag(Adapter\AdapterInterface $adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'r+e.gex[c]a(r)s')
+            ->path('/^dir/');
+
+        $expected = array('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 testAdaptersOrdering()
+    {
+        $finder = Finder::create()
+            ->removeAdapters()
+            ->addAdapter(new FakeAdapter\NamedAdapter('a'), 0)
+            ->addAdapter(new FakeAdapter\NamedAdapter('b'), -50)
+            ->addAdapter(new FakeAdapter\NamedAdapter('c'), 50)
+            ->addAdapter(new FakeAdapter\NamedAdapter('d'), -25)
+            ->addAdapter(new FakeAdapter\NamedAdapter('e'), 25);
+
+        $this->assertEquals(
+            array('c', 'e', 'a', 'd', 'b'),
+            array_map(function (Adapter\AdapterInterface $adapter) {
+                return $adapter->getName();
+            }, $finder->getAdapters())
+        );
+    }
+
+    public function testAdaptersChaining()
+    {
+        $iterator = new \ArrayIterator(array());
+        $filenames = $this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto'));
+        foreach ($filenames as $file) {
+            $iterator->append(new \Symfony\Component\Finder\SplFileInfo($file, null, null));
+        }
+
+        $finder = Finder::create()
+            ->removeAdapters()
+            ->addAdapter(new FakeAdapter\UnsupportedAdapter(), 3)
+            ->addAdapter(new FakeAdapter\FailingAdapter(), 2)
+            ->addAdapter(new FakeAdapter\DummyAdapter($iterator), 1);
+
+        $this->assertIterator($filenames, $finder->in(sys_get_temp_dir())->getIterator());
+    }
+
+    public function getAdaptersTestData()
+    {
+        return array_map(
+            function ($adapter) { return array($adapter); },
+            $this->getValidAdapters()
+        );
+    }
+
+    public function getContainsTestData()
+    {
+        $tests = array(
+            array('', '', array()),
+            array('foo', 'bar', array()),
+            array('', 'foobar', array('dolor.txt', 'ipsum.txt', 'lorem.txt')),
+            array('lorem ipsum dolor sit amet', 'foobar', array('lorem.txt')),
+            array('sit', 'bar', array('dolor.txt', 'ipsum.txt', 'lorem.txt')),
+            array('dolor sit amet', '@^L@m', array('dolor.txt', 'ipsum.txt')),
+            array('/^lorem ipsum dolor sit amet$/m', 'foobar', array('lorem.txt')),
+            array('lorem', 'foobar', array('lorem.txt')),
+            array('', 'lorem', array('dolor.txt', 'ipsum.txt')),
+            array('ipsum dolor sit amet', '/^IPSUM/m', array('lorem.txt')),
+        );
+
+        return $this->buildTestData($tests);
+    }
+
+    public function getRegexNameTestData()
+    {
+        $tests = array(
+            array('~.+\\.p.+~i'),
+            array('~t.*s~i'),
+        );
+
+        return $this->buildTestData($tests);
+    }
+
+    /**
+     * @dataProvider getTestPathData
+     */
+    public function testPath(Adapter\AdapterInterface $adapter, $matchPatterns, $noMatchPatterns, array $expected)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures')
+            ->path($matchPatterns)
+            ->notPath($noMatchPatterns);
+
+        $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
+    }
+
+    public function testAdapterSelection()
+    {
+        // test that by default, PhpAdapter is selected
+        $adapters = Finder::create()->getAdapters();
+        $this->assertTrue($adapters[0] instanceof Adapter\PhpAdapter);
+
+        // test another adapter selection
+        $adapters = Finder::create()->setAdapter('gnu_find')->getAdapters();
+        $this->assertTrue($adapters[0] instanceof Adapter\GnuFindAdapter);
+
+        // test that useBestAdapter method removes selection
+        $adapters = Finder::create()->useBestAdapter()->getAdapters();
+        $this->assertFalse($adapters[0] instanceof Adapter\PhpAdapter);
+    }
+
+    public function getTestPathData()
+    {
+        $tests = array(
+            array('', '', array()),
+            array('/^A\/B\/C/', '/C$/',
+                array('A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat'),
+            ),
+            array('/^A\/B/', 'foobar',
+                array(
+                    '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',
+                ),
+            ),
+            array('A/B/C', 'foobar',
+                array(
+                    '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',
+                ),
+            ),
+            array('A/B', 'foobar',
+                array(
+                    //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',
+                ),
+            ),
+            array('/^with space\//', 'foobar',
+                array(
+                    'with space'.DIRECTORY_SEPARATOR.'foo.txt',
+                ),
+            ),
+        );
+
+        return $this->buildTestData($tests);
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testAccessDeniedException(Adapter\AdapterInterface $adapter)
+    {
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('chmod is not supported on Windows');
+        }
+
+        $finder = $this->buildFinder($adapter);
+        $finder->files()->in(self::$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(array('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()));
+                }
+
+                $this->assertInstanceOf($expectedExceptionClass, $e);
+            }
+        }
+
+        // restore original permissions
+        chmod($testDir, 0777);
+        clearstatcache($testDir);
+
+        if ($couldRead) {
+            $this->markTestSkipped('could read test files while test requires unreadable');
+        }
+    }
+
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testIgnoredAccessDeniedException(Adapter\AdapterInterface $adapter)
+    {
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('chmod is not supported on Windows');
+        }
+
+        $finder = $this->buildFinder($adapter);
+        $finder->files()->ignoreUnreadableDirs()->in(self::$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(array('foo bar', 'test.php', 'test.py')), $finder->getIterator());
+        }
+
+        // restore original permissions
+        chmod($testDir, 0777);
+        clearstatcache($testDir);
+
+        if ($couldRead) {
+            $this->markTestSkipped('could read test files while test requires unreadable');
+        }
+    }
+
+    private function buildTestData(array $tests)
+    {
+        $data = array();
+        foreach ($this->getValidAdapters() as $adapter) {
+            foreach ($tests as $test) {
+                $data[] = array_merge(array($adapter), $test);
+            }
+        }
+
+        return $data;
+    }
+
+    private function buildFinder(Adapter\AdapterInterface $adapter)
+    {
+        return Finder::create()
+            ->removeAdapters()
+            ->addAdapter($adapter);
+    }
+
+    private function getValidAdapters()
+    {
+        return array_filter(
+            array(
+                new Adapter\BsdFindAdapter(),
+                new Adapter\GnuFindAdapter(),
+                new Adapter\PhpAdapter(),
+            ),
+            function (Adapter\AdapterInterface $adapter) {
+                return $adapter->isSupported();
+            }
+        );
+    }
+
+    /**
+     * 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/bug.php?id=49104
+     */
+    public function testMultipleLocationsWithSubDirectories()
+    {
+        $locations = array(
+            __DIR__.'/Fixtures/one',
+            self::$tmpDir.DIRECTORY_SEPARATOR.'toto',
+        );
+
+        $finder = new Finder();
+        $finder->in($locations)->depth('< 10')->name('*.neon');
+
+        $expected = array(
+            __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);
+    }
+}