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+<?php
+/**
+ * @author Amir E. Aharoni
+ * @copyright Copyright © 2012, Amir E. Aharoni
+ * @file
+ */
+
+/** Tests for MediaWiki Hebrew grammar transformation handling */
+class LanguageHeTest extends LanguageClassesTestCase {
+	/**
+	 * The most common usage for the plural forms is two forms,
+	 * for singular and plural. In this case, the second form
+	 * is technically dual, but in practice it's used as plural.
+	 * In some cases, usually with expressions of time, three forms
+	 * are needed - singular, dual and plural.
+	 * CLDR also specifies a fourth form for multiples of 10,
+	 * which is very rare. It also has a mistake, because
+	 * the number 10 itself is supposed to be just plural,
+	 * so currently it's overridden in MediaWiki.
+	 */
+
+	// @todo the below test*PluralForms test methods can be refactored
+	//  to use a single test method and data provider..
+
+	/**
+	 * @dataProvider provideTwoPluralForms
+	 * @covers Language::convertPlural
+	 */
+	public function testTwoPluralForms( $result, $value ) {
+		$forms = [ 'one', 'other' ];
+		$this->assertEquals( $result, $this->getLang()->convertPlural( $value, $forms ) );
+	}
+
+	/**
+	 * @dataProvider provideThreePluralForms
+	 * @covers Language::convertPlural
+	 */
+	public function testThreePluralForms( $result, $value ) {
+		$forms = [ 'one', 'two', 'other' ];
+		$this->assertEquals( $result, $this->getLang()->convertPlural( $value, $forms ) );
+	}
+
+	/**
+	 * @dataProvider provideFourPluralForms
+	 * @covers Language::convertPlural
+	 */
+	public function testFourPluralForms( $result, $value ) {
+		$forms = [ 'one', 'two', 'many', 'other' ];
+		$this->assertEquals( $result, $this->getLang()->convertPlural( $value, $forms ) );
+	}
+
+	/**
+	 * @dataProvider provideFourPluralForms
+	 * @covers Language::convertPlural
+	 */
+	public function testGetPluralRuleType( $result, $value ) {
+		$this->assertEquals( $result, $this->getLang()->getPluralRuleType( $value ) );
+	}
+
+	public static function provideTwoPluralForms() {
+		return [
+			[ 'other', 0 ], // Zero - plural
+			[ 'one', 1 ], // Singular
+			[ 'other', 2 ], // No third form provided, use it as plural
+			[ 'other', 3 ], // Plural - other
+			[ 'other', 10 ], // No fourth form provided, use it as plural
+			[ 'other', 20 ], // No fourth form provided, use it as plural
+		];
+	}
+
+	public static function provideThreePluralForms() {
+		return [
+			[ 'other', 0 ], // Zero - plural
+			[ 'one', 1 ], // Singular
+			[ 'two', 2 ], // Dual
+			[ 'other', 3 ], // Plural - other
+			[ 'other', 10 ], // No fourth form provided, use it as plural
+			[ 'other', 20 ], // No fourth form provided, use it as plural
+		];
+	}
+
+	public static function provideFourPluralForms() {
+		return [
+			[ 'other', 0 ], // Zero - plural
+			[ 'one', 1 ], // Singular
+			[ 'two', 2 ], // Dual
+			[ 'other', 3 ], // Plural - other
+			[ 'other', 10 ], // 10 is supposed to be plural (other), not "many"
+			[ 'many', 20 ], // Fourth form provided - rare, but supported by CLDR
+		];
+	}
+
+	/**
+	 * @dataProvider provideGrammar
+	 * @covers Language::convertGrammar
+	 */
+	public function testGrammar( $result, $word, $case ) {
+		$this->assertEquals( $result, $this->getLang()->convertGrammar( $word, $case ) );
+	}
+
+	// The comments in the beginning of the line help avoid RTL problems
+	// with text editors.
+	public static function provideGrammar() {
+		return [
+			[
+				/* result */'וויקיפדיה',
+				/* word   */'ויקיפדיה',
+				/* case   */'תחילית',
+			],
+			[
+				/* result */'וולפגנג',
+				/* word   */'וולפגנג',
+				/* case   */'prefixed',
+			],
+			[
+				/* result */'קובץ',
+				/* word   */'הקובץ',
+				/* case   */'תחילית',
+			],
+			[
+				/* result */'־Wikipedia',
+				/* word   */'Wikipedia',
+				/* case   */'תחילית',
+			],
+			[
+				/* result */'־1995',
+				/* word   */'1995',
+				/* case   */'תחילית',
+			],
+		];
+	}
+}