--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Translation\PluralizationRules;
+
+/**
+ * Test should cover all languages mentioned on http://translate.sourceforge.net/wiki/l10n/pluralforms
+ * and Plural forms mentioned on http://www.gnu.org/software/gettext/manual/gettext.html#Plural-forms.
+ *
+ * See also https://developer.mozilla.org/en/Localization_and_Plurals which mentions 15 rules having a maximum of 6 forms.
+ * The mozilla code is also interesting to check for.
+ *
+ * As mentioned by chx http://drupal.org/node/1273968 we can cover all by testing number from 0 to 199
+ *
+ * The goal to cover all languages is to far fetched so this test case is smaller.
+ *
+ * @author Clemens Tolboom clemens@build2be.nl
+ */
+class PluralizationRulesTest extends TestCase
+{
+ /**
+ * We test failed langcode here.
+ *
+ * TODO: The languages mentioned in the data provide need to get fixed somehow within PluralizationRules.
+ *
+ * @dataProvider failingLangcodes
+ */
+ public function testFailedLangcodes($nplural, $langCodes)
+ {
+ $matrix = $this->generateTestData($langCodes);
+ $this->validateMatrix($nplural, $matrix, false);
+ }
+
+ /**
+ * @dataProvider successLangcodes
+ */
+ public function testLangcodes($nplural, $langCodes)
+ {
+ $matrix = $this->generateTestData($langCodes);
+ $this->validateMatrix($nplural, $matrix);
+ }
+
+ /**
+ * This array should contain all currently known langcodes.
+ *
+ * As it is impossible to have this ever complete we should try as hard as possible to have it almost complete.
+ *
+ * @return array
+ */
+ public function successLangcodes()
+ {
+ return array(
+ array('1', array('ay', 'bo', 'cgg', 'dz', 'id', 'ja', 'jbo', 'ka', 'kk', 'km', 'ko', 'ky')),
+ array('2', array('nl', 'fr', 'en', 'de', 'de_GE', 'hy', 'hy_AM')),
+ array('3', array('be', 'bs', 'cs', 'hr')),
+ array('4', array('cy', 'mt', 'sl')),
+ array('6', array('ar')),
+ );
+ }
+
+ /**
+ * This array should be at least empty within the near future.
+ *
+ * This both depends on a complete list trying to add above as understanding
+ * the plural rules of the current failing languages.
+ *
+ * @return array with nplural together with langcodes
+ */
+ public function failingLangcodes()
+ {
+ return array(
+ array('1', array('fa')),
+ array('2', array('jbo')),
+ array('3', array('cbs')),
+ array('4', array('gd', 'kw')),
+ array('5', array('ga')),
+ );
+ }
+
+ /**
+ * We validate only on the plural coverage. Thus the real rules is not tested.
+ *
+ * @param string $nplural plural expected
+ * @param array $matrix containing langcodes and their plural index values
+ * @param bool $expectSuccess
+ */
+ protected function validateMatrix($nplural, $matrix, $expectSuccess = true)
+ {
+ foreach ($matrix as $langCode => $data) {
+ $indexes = array_flip($data);
+ if ($expectSuccess) {
+ $this->assertEquals($nplural, count($indexes), "Langcode '$langCode' has '$nplural' plural forms.");
+ } else {
+ $this->assertNotEquals((int) $nplural, count($indexes), "Langcode '$langCode' has '$nplural' plural forms.");
+ }
+ }
+ }
+
+ protected function generateTestData($langCodes)
+ {
+ $matrix = array();
+ foreach ($langCodes as $langCode) {
+ for ($count = 0; $count < 200; ++$count) {
+ $plural = PluralizationRules::get($count, $langCode);
+ $matrix[$langCode][$count] = $plural;
+ }
+ }
+
+ return $matrix;
+ }
+}