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diff --git a/tests/phpunit/languages/LanguageUzTest.php b/tests/phpunit/languages/LanguageUzTest.php
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+++ b/tests/phpunit/languages/LanguageUzTest.php
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+<?php
+/**
+ * PHPUnit tests for the Uzbek language.
+ * The language can be represented using two scripts:
+ *  - Latin (uz-latn)
+ *  - Cyrillic (uz-cyrl)
+ *
+ * @author Robin Pepermans
+ * @author Antoine Musso <hashar at free dot fr>
+ * @copyright Copyright © 2012, Robin Pepermans
+ * @copyright Copyright © 2011, Antoine Musso <hashar at free dot fr>
+ * @file
+ */
+
+require_once dirname( __DIR__ ) . '/bootstrap.php';
+
+/** Tests for MediaWiki languages/LanguageUz.php */
+class LanguageUzTest extends MediaWikiTestCase {
+	/* Language object. Initialized before each test */
+	private $lang;
+
+	function setUp() {
+		$this->lang = Language::factory( 'uz' );
+	}
+	function tearDown() {
+		unset( $this->lang );
+	}
+
+	/**
+	 * @author Nikola Smolenski
+	 */
+	function testConversionToCyrillic() {
+		// A convertion of Latin to Cyrillic
+		$this->assertEquals( 'абвгғ',
+			$this->convertToCyrillic( 'abvggʻ' )
+		);
+		// Same as above, but assert that -{}-s must be removed and not converted
+		$this->assertEquals( 'ljабnjвгўоdb',
+			$this->convertToCyrillic( '-{lj}-ab-{nj}-vgoʻo-{db}-' )
+		);
+		// A simple convertion of Cyrillic to Cyrillic
+		$this->assertEquals( 'абвг',
+			$this->convertToCyrillic( 'абвг' )
+		);
+		// Same as above, but assert that -{}-s must be removed and not converted
+		$this->assertEquals( 'ljабnjвгdaž',
+			$this->convertToCyrillic( '-{lj}-аб-{nj}-вг-{da}-ž' )
+		);
+	}
+
+	function testConversionToLatin() {
+		// A simple convertion of Latin to Latin
+		$this->assertEquals( 'abdef',
+			$this->convertToLatin( 'abdef' )
+		);
+		// A convertion of Cyrillic to Latin
+		$this->assertEquals( 'gʻabtsdOʻQyo',
+			$this->convertToLatin( 'ғабцдЎҚё' )
+		);
+	}
+
+	##### HELPERS #####################################################
+	/**
+	 * Wrapper to verify text stay the same after applying conversion
+	 * @param $text string Text to convert
+	 * @param $variant string Language variant 'uz-cyrl' or 'uz-latn'
+	 * @param $msg string Optional message
+	 */
+	function assertUnConverted( $text, $variant, $msg = '' ) {
+		$this->assertEquals(
+			$text,
+			$this->convertTo( $text, $variant ),
+			$msg
+		);
+	}
+	/**
+	 * Wrapper to verify a text is different once converted to a variant.
+	 * @param $text string Text to convert
+	 * @param $variant string Language variant 'uz-cyrl' or 'uz-latn'
+	 * @param $msg string Optional message
+	 */
+	function assertConverted( $text, $variant, $msg = '' ) {
+		$this->assertNotEquals(
+			$text,
+			$this->convertTo( $text, $variant ),
+			$msg
+		);
+	}
+
+	/**
+	 * Verifiy the given Cyrillic text is not converted when using
+	 * using the cyrillic variant and converted to Latin when using
+	 * the Latin variant.
+	 */
+	function assertCyrillic( $text, $msg = '' ) {
+		$this->assertUnConverted( $text, 'uz-cyrl', $msg );
+		$this->assertConverted( $text, 'uz-latn', $msg );
+	}
+	/**
+	 * Verifiy the given Latin text is not converted when using
+	 * using the Latin variant and converted to Cyrillic when using
+	 * the Cyrillic variant.
+	 */
+	function assertLatin( $text, $msg = '' ) {
+		$this->assertUnConverted( $text, 'uz-latn', $msg );
+		$this->assertConverted( $text, 'uz-cyrl', $msg );
+	}
+
+
+	/** Wrapper for converter::convertTo() method*/
+	function convertTo( $text, $variant ) {
+		return $this->lang->mConverter->convertTo( $text, $variant );
+	}
+	function convertToCyrillic( $text ) {
+		return $this->convertTo( $text, 'uz-cyrl' );
+	}
+	function convertToLatin( $text ) {
+		return $this->convertTo( $text, 'uz-latn' );
+	}
+}