Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\Component\Gettext;
Chris@0: 
Chris@0: use Drupal\Component\Gettext\PoHeader;
Chris@0: use PHPUnit\Framework\TestCase;
Chris@0: 
Chris@0: /**
Chris@0:  * Unit tests for the Gettext PO file header handling features.
Chris@0:  *
Chris@0:  * @see Drupal\Component\Gettext\PoHeader.
Chris@0:  *
Chris@0:  * @group Gettext
Chris@0:  */
Chris@0: class PoHeaderTest extends TestCase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests that plural expressions are evaluated correctly.
Chris@0:    *
Chris@0:    * Validate that the given plural expressions is evaluated with the correct
Chris@0:    * plural formula.
Chris@0:    *
Chris@0:    * @param string $plural
Chris@0:    *   The plural expression.
Chris@0:    * @param array $expected
Chris@0:    *   Array of expected plural positions keyed by plural value.
Chris@0:    *
Chris@0:    * @dataProvider providerTestPluralsFormula
Chris@0:    */
Chris@0:   public function testPluralsFormula($plural, $expected) {
Chris@0:     $p = new PoHeader();
Chris@0:     $parsed = $p->parsePluralForms($plural);
Chris@0:     list($nplurals, $new_plural) = $parsed;
Chris@0:     foreach ($expected as $number => $plural_form) {
Chris@0:       $result = isset($new_plural[$number]) ? $new_plural[$number] : $new_plural['default'];
Chris@0:       $this->assertEquals($result, $plural_form, 'Difference found at ' . $number . ': ' . $plural_form . ' versus ' . $result);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Data provider for testPluralsFormula.
Chris@0:    *
Chris@0:    * Gets pairs of plural expressions and expected plural positions keyed by
Chris@0:    * plural value.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   Pairs of plural expressions and expected plural positions keyed by plural
Chris@0:    *   value.
Chris@0:    */
Chris@0:   public function providerTestPluralsFormula() {
Chris@0:     return [
Chris@0:       [
Chris@0:         'nplurals=1; plural=0;',
Chris@0:         ['default' => 0],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=2; plural=(n > 1);',
Chris@0:         [0 => 0, 1 => 0, 'default' => 1],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=2; plural=(n!=1);',
Chris@0:         [1 => 0, 'default' => 1],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=2; plural=(((n==1)||((n%10)==1))?(0):1);',
Chris@0:         [
Chris@0:           1 => 0,
Chris@0:           11 => 0,
Chris@0:           21 => 0,
Chris@0:           31 => 0,
Chris@0:           41 => 0,
Chris@0:           51 => 0,
Chris@0:           61 => 0,
Chris@0:           71 => 0,
Chris@0:           81 => 0,
Chris@0:           91 => 0,
Chris@0:           101 => 0,
Chris@0:           111 => 0,
Chris@0:           121 => 0,
Chris@0:           131 => 0,
Chris@0:           141 => 0,
Chris@0:           151 => 0,
Chris@0:           161 => 0,
Chris@0:           171 => 0,
Chris@0:           181 => 0,
Chris@0:           191 => 0,
Chris@0:           'default' => 1,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=3; plural=((((n%10)==1)&&((n%100)!=11))?(0):(((((n%10)>=2)&&((n%10)<=4))&&(((n%100)<10)||((n%100)>=20)))?(1):2));',
Chris@0:         [
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 1,
Chris@0:           4 => 1,
Chris@0:           21 => 0,
Chris@0:           22 => 1,
Chris@0:           23 => 1,
Chris@0:           24 => 1,
Chris@0:           31 => 0,
Chris@0:           32 => 1,
Chris@0:           33 => 1,
Chris@0:           34 => 1,
Chris@0:           41 => 0,
Chris@0:           42 => 1,
Chris@0:           43 => 1,
Chris@0:           44 => 1,
Chris@0:           51 => 0,
Chris@0:           52 => 1,
Chris@0:           53 => 1,
Chris@0:           54 => 1,
Chris@0:           61 => 0,
Chris@0:           62 => 1,
Chris@0:           63 => 1,
Chris@0:           64 => 1,
Chris@0:           71 => 0,
Chris@0:           72 => 1,
Chris@0:           73 => 1,
Chris@0:           74 => 1,
Chris@0:           81 => 0,
Chris@0:           82 => 1,
Chris@0:           83 => 1,
Chris@0:           84 => 1,
Chris@0:           91 => 0,
Chris@0:           92 => 1,
Chris@0:           93 => 1,
Chris@0:           94 => 1,
Chris@0:           101 => 0,
Chris@0:           102 => 1,
Chris@0:           103 => 1,
Chris@0:           104 => 1,
Chris@0:           121 => 0,
Chris@0:           122 => 1,
Chris@0:           123 => 1,
Chris@0:           124 => 1,
Chris@0:           131 => 0,
Chris@0:           132 => 1,
Chris@0:           133 => 1,
Chris@0:           134 => 1,
Chris@0:           141 => 0,
Chris@0:           142 => 1,
Chris@0:           143 => 1,
Chris@0:           144 => 1,
Chris@0:           151 => 0,
Chris@0:           152 => 1,
Chris@0:           153 => 1,
Chris@0:           154 => 1,
Chris@0:           161 => 0,
Chris@0:           162 => 1,
Chris@0:           163 => 1,
Chris@0:           164 => 1,
Chris@0:           171 => 0,
Chris@0:           172 => 1,
Chris@0:           173 => 1,
Chris@0:           174 => 1,
Chris@0:           181 => 0,
Chris@0:           182 => 1,
Chris@0:           183 => 1,
Chris@0:           184 => 1,
Chris@0:           191 => 0,
Chris@0:           192 => 1,
Chris@0:           193 => 1,
Chris@0:           194 => 1,
Chris@0:           'default' => 2,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=3; plural=((n==1)?(0):(((n>=2)&&(n<=4))?(1):2));',
Chris@0:         [
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 1,
Chris@0:           4 => 1,
Chris@0:           'default' => 2,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=3; plural=((n==1)?(0):(((n==0)||(((n%100)>0)&&((n%100)<20)))?(1):2));',
Chris@0:         [
Chris@0:           0 => 1,
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 1,
Chris@0:           4 => 1,
Chris@0:           5 => 1,
Chris@0:           6 => 1,
Chris@0:           7 => 1,
Chris@0:           8 => 1,
Chris@0:           9 => 1,
Chris@0:           10 => 1,
Chris@0:           11 => 1,
Chris@0:           12 => 1,
Chris@0:           13 => 1,
Chris@0:           14 => 1,
Chris@0:           15 => 1,
Chris@0:           16 => 1,
Chris@0:           17 => 1,
Chris@0:           18 => 1,
Chris@0:           19 => 1,
Chris@0:           101 => 1,
Chris@0:           102 => 1,
Chris@0:           103 => 1,
Chris@0:           104 => 1,
Chris@0:           105 => 1,
Chris@0:           106 => 1,
Chris@0:           107 => 1,
Chris@0:           108 => 1,
Chris@0:           109 => 1,
Chris@0:           110 => 1,
Chris@0:           111 => 1,
Chris@0:           112 => 1,
Chris@0:           113 => 1,
Chris@0:           114 => 1,
Chris@0:           115 => 1,
Chris@0:           116 => 1,
Chris@0:           117 => 1,
Chris@0:           118 => 1,
Chris@0:           119 => 1,
Chris@0:           'default' => 2,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=3; plural=((n==1)?(0):(((((n%10)>=2)&&((n%10)<=4))&&(((n%100)<10)||((n%100)>=20)))?(1):2));',
Chris@0:         [
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 1,
Chris@0:           4 => 1,
Chris@0:           22 => 1,
Chris@0:           23 => 1,
Chris@0:           24 => 1,
Chris@0:           32 => 1,
Chris@0:           33 => 1,
Chris@0:           34 => 1,
Chris@0:           42 => 1,
Chris@0:           43 => 1,
Chris@0:           44 => 1,
Chris@0:           52 => 1,
Chris@0:           53 => 1,
Chris@0:           54 => 1,
Chris@0:           62 => 1,
Chris@0:           63 => 1,
Chris@0:           64 => 1,
Chris@0:           72 => 1,
Chris@0:           73 => 1,
Chris@0:           74 => 1,
Chris@0:           82 => 1,
Chris@0:           83 => 1,
Chris@0:           84 => 1,
Chris@0:           92 => 1,
Chris@0:           93 => 1,
Chris@0:           94 => 1,
Chris@0:           102 => 1,
Chris@0:           103 => 1,
Chris@0:           104 => 1,
Chris@0:           122 => 1,
Chris@0:           123 => 1,
Chris@0:           124 => 1,
Chris@0:           132 => 1,
Chris@0:           133 => 1,
Chris@0:           134 => 1,
Chris@0:           142 => 1,
Chris@0:           143 => 1,
Chris@0:           144 => 1,
Chris@0:           152 => 1,
Chris@0:           153 => 1,
Chris@0:           154 => 1,
Chris@0:           162 => 1,
Chris@0:           163 => 1,
Chris@0:           164 => 1,
Chris@0:           172 => 1,
Chris@0:           173 => 1,
Chris@0:           174 => 1,
Chris@0:           182 => 1,
Chris@0:           183 => 1,
Chris@0:           184 => 1,
Chris@0:           192 => 1,
Chris@0:           193 => 1,
Chris@0:           194 => 1,
Chris@0:           'default' => 2,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=4; plural=(((n==1)||(n==11))?(0):(((n==2)||(n==12))?(1):(((n>2)&&(n<20))?(2):3)));',
Chris@0:         [
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 2,
Chris@0:           4 => 2,
Chris@0:           5 => 2,
Chris@0:           6 => 2,
Chris@0:           7 => 2,
Chris@0:           8 => 2,
Chris@0:           9 => 2,
Chris@0:           10 => 2,
Chris@0:           11 => 0,
Chris@0:           12 => 1,
Chris@0:           13 => 2,
Chris@0:           14 => 2,
Chris@0:           15 => 2,
Chris@0:           16 => 2,
Chris@0:           17 => 2,
Chris@0:           18 => 2,
Chris@0:           19 => 2,
Chris@0:           'default' => 3,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=4; plural=(((n%100)==1)?(0):(((n%100)==2)?(1):((((n%100)==3)||((n%100)==4))?(2):3)));',
Chris@0:         [
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 2,
Chris@0:           4 => 2,
Chris@0:           101 => 0,
Chris@0:           102 => 1,
Chris@0:           103 => 2,
Chris@0:           104 => 2,
Chris@0:           'default' => 3,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=5; plural=((n==1)?(0):((n==2)?(1):((n<7)?(2):((n<11)?(3):4))));',
Chris@0:         [
Chris@0:           0 => 2,
Chris@0:           1 => 0,
Chris@0:           2 => 1,
Chris@0:           3 => 2,
Chris@0:           4 => 2,
Chris@0:           5 => 2,
Chris@0:           6 => 2,
Chris@0:           7 => 3,
Chris@0:           8 => 3,
Chris@0:           9 => 3,
Chris@0:           10 => 3,
Chris@0:           'default' => 4,
Chris@0:         ],
Chris@0:       ],
Chris@0:       [
Chris@0:         'nplurals=6; plural=((n==1)?(0):((n==0)?(1):((n==2)?(2):((((n%100)>=3)&&((n%100)<=10))?(3):((((n%100)>=11)&&((n%100)<=99))?(4):5)))));',
Chris@0:         [
Chris@0:           0 => 1,
Chris@0:           1 => 0,
Chris@0:           2 => 2,
Chris@0:           3 => 3,
Chris@0:           4 => 3,
Chris@0:           5 => 3,
Chris@0:           6 => 3,
Chris@0:           7 => 3,
Chris@0:           8 => 3,
Chris@0:           9 => 3,
Chris@0:           10 => 3,
Chris@0:           100 => 5,
Chris@0:           101 => 5,
Chris@0:           102 => 5,
Chris@0:           103 => 3,
Chris@0:           104 => 3,
Chris@0:           105 => 3,
Chris@0:           106 => 3,
Chris@0:           107 => 3,
Chris@0:           108 => 3,
Chris@0:           109 => 3,
Chris@0:           110 => 3,
Chris@0:           'default' => 4,
Chris@0:         ],
Chris@0:       ],
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0: }