<?php

class LanguageTest extends LanguageClassesTestCase {

	function testLanguageConvertDoubleWidthToSingleWidth() {
		$this->assertEquals(
			"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
			$this->getLang()->normalizeForSearch(
				"０１２３４５６７８９ＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ"
			),
			'convertDoubleWidth() with the full alphabet and digits'
		);
	}

	/**
	 * @dataProvider provideFormattableTimes
	 */
	function testFormatTimePeriod( $seconds, $format, $expected, $desc ) {
		$this->assertEquals( $expected, $this->getLang()->formatTimePeriod( $seconds, $format ), $desc );
	}

	function provideFormattableTimes() {
		return array(
			array(
				9.45,
				array(),
				'9.5 s',
				'formatTimePeriod() rounding (<10s)'
			),
			array(
				9.45,
				array( 'noabbrevs' => true ),
				'9.5 seconds',
				'formatTimePeriod() rounding (<10s)'
			),
			array(
				9.95,
				array(),
				'10 s',
				'formatTimePeriod() rounding (<10s)'
			),
			array(
				9.95,
				array( 'noabbrevs' => true ),
				'10 seconds',
				'formatTimePeriod() rounding (<10s)'
			),
			array(
				59.55,
				array(),
				'1 min 0 s',
				'formatTimePeriod() rounding (<60s)'
			),
			array(
				59.55,
				array( 'noabbrevs' => true ),
				'1 minute 0 seconds',
				'formatTimePeriod() rounding (<60s)'
			),
			array(
				119.55,
				array(),
				'2 min 0 s',
				'formatTimePeriod() rounding (<1h)'
			),
			array(
				119.55,
				array( 'noabbrevs' => true ),
				'2 minutes 0 seconds',
				'formatTimePeriod() rounding (<1h)'
			),
			array(
				3599.55,
				array(),
				'1 h 0 min 0 s',
				'formatTimePeriod() rounding (<1h)'
			),
			array(
				3599.55,
				array( 'noabbrevs' => true ),
				'1 hour 0 minutes 0 seconds',
				'formatTimePeriod() rounding (<1h)'
			),
			array(
				7199.55,
				array(),
				'2 h 0 min 0 s',
				'formatTimePeriod() rounding (>=1h)'
			),
			array(
				7199.55,
				array( 'noabbrevs' => true ),
				'2 hours 0 minutes 0 seconds',
				'formatTimePeriod() rounding (>=1h)'
			),
			array(
				7199.55,
				'avoidseconds',
				'2 h 0 min',
				'formatTimePeriod() rounding (>=1h), avoidseconds'
			),
			array(
				7199.55,
				array( 'avoid' => 'avoidseconds', 'noabbrevs' => true ),
				'2 hours 0 minutes',
				'formatTimePeriod() rounding (>=1h), avoidseconds'
			),
			array(
				7199.55,
				'avoidminutes',
				'2 h 0 min',
				'formatTimePeriod() rounding (>=1h), avoidminutes'
			),
			array(
				7199.55,
				array( 'avoid' => 'avoidminutes', 'noabbrevs' => true ),
				'2 hours 0 minutes',
				'formatTimePeriod() rounding (>=1h), avoidminutes'
			),
			array(
				172799.55,
				'avoidseconds',
				'48 h 0 min',
				'formatTimePeriod() rounding (=48h), avoidseconds'
			),
			array(
				172799.55,
				array( 'avoid' => 'avoidseconds', 'noabbrevs' => true ),
				'48 hours 0 minutes',
				'formatTimePeriod() rounding (=48h), avoidseconds'
			),
			array(
				259199.55,
				'avoidminutes',
				'3 d 0 h',
				'formatTimePeriod() rounding (>48h), avoidminutes'
			),
			array(
				259199.55,
				array( 'avoid' => 'avoidminutes', 'noabbrevs' => true ),
				'3 days 0 hours',
				'formatTimePeriod() rounding (>48h), avoidminutes'
			),
			array(
				176399.55,
				'avoidseconds',
				'2 d 1 h 0 min',
				'formatTimePeriod() rounding (>48h), avoidseconds'
			),
			array(
				176399.55,
				array( 'avoid' => 'avoidseconds', 'noabbrevs' => true ),
				'2 days 1 hour 0 minutes',
				'formatTimePeriod() rounding (>48h), avoidseconds'
			),
			array(
				176399.55,
				'avoidminutes',
				'2 d 1 h',
				'formatTimePeriod() rounding (>48h), avoidminutes'
			),
			array(
				176399.55,
				array( 'avoid' => 'avoidminutes', 'noabbrevs' => true ),
				'2 days 1 hour',
				'formatTimePeriod() rounding (>48h), avoidminutes'
			),
			array(
				259199.55,
				'avoidseconds',
				'3 d 0 h 0 min',
				'formatTimePeriod() rounding (>48h), avoidseconds'
			),
			array(
				259199.55,
				array( 'avoid' => 'avoidseconds', 'noabbrevs' => true ),
				'3 days 0 hours 0 minutes',
				'formatTimePeriod() rounding (>48h), avoidseconds'
			),
			array(
				172801.55,
				'avoidseconds',
				'2 d 0 h 0 min',
				'formatTimePeriod() rounding, (>48h), avoidseconds'
			),
			array(
				172801.55,
				array( 'avoid' => 'avoidseconds', 'noabbrevs' => true ),
				'2 days 0 hours 0 minutes',
				'formatTimePeriod() rounding, (>48h), avoidseconds'
			),
			array(
				176460.55,
				array(),
				'2 d 1 h 1 min 1 s',
				'formatTimePeriod() rounding, recursion, (>48h)'
			),
			array(
				176460.55,
				array( 'noabbrevs' => true ),
				'2 days 1 hour 1 minute 1 second',
				'formatTimePeriod() rounding, recursion, (>48h)'
			),
		);

	}

	function testTruncate() {
		$this->assertEquals(
			"XXX",
			$this->getLang()->truncate( "1234567890", 0, 'XXX' ),
			'truncate prefix, len 0, small ellipsis'
		);

		$this->assertEquals(
			"12345XXX",
			$this->getLang()->truncate( "1234567890", 8, 'XXX' ),
			'truncate prefix, small ellipsis'
		);

		$this->assertEquals(
			"123456789",
			$this->getLang()->truncate( "123456789", 5, 'XXXXXXXXXXXXXXX' ),
			'truncate prefix, large ellipsis'
		);

		$this->assertEquals(
			"XXX67890",
			$this->getLang()->truncate( "1234567890", -8, 'XXX' ),
			'truncate suffix, small ellipsis'
		);

		$this->assertEquals(
			"123456789",
			$this->getLang()->truncate( "123456789", -5, 'XXXXXXXXXXXXXXX' ),
			'truncate suffix, large ellipsis'
		);
	}

	/**
	 * @dataProvider provideHTMLTruncateData()
	 */
	function testTruncateHtml( $len, $ellipsis, $input, $expected ) {
		// Actual HTML...
		$this->assertEquals(
			$expected,
			$this->getLang()->truncateHTML( $input, $len, $ellipsis )
		);
	}

	/**
	 * Array format is ($len, $ellipsis, $input, $expected)
	 */
	function provideHTMLTruncateData() {
		return array(
			array( 0, 'XXX', "1234567890", "XXX" ),
			array( 8, 'XXX', "1234567890", "12345XXX" ),
			array( 5, 'XXXXXXXXXXXXXXX', '1234567890', "1234567890" ),
			array( 2, '***',
				'<p><span style="font-weight:bold;"></span></p>',
				'<p><span style="font-weight:bold;"></span></p>',
			),
			array( 2, '***',
				'<p><span style="font-weight:bold;">123456789</span></p>',
				'<p><span style="font-weight:bold;">***</span></p>',
			),
			array( 2, '***',
				'<p><span style="font-weight:bold;">&nbsp;23456789</span></p>',
				'<p><span style="font-weight:bold;">***</span></p>',
			),
			array( 3, '***',
				'<p><span style="font-weight:bold;">123456789</span></p>',
				'<p><span style="font-weight:bold;">***</span></p>',
			),
			array( 4, '***',
				'<p><span style="font-weight:bold;">123456789</span></p>',
				'<p><span style="font-weight:bold;">1***</span></p>',
			),
			array( 5, '***',
				'<tt><span style="font-weight:bold;">123456789</span></tt>',
				'<tt><span style="font-weight:bold;">12***</span></tt>',
			),
			array( 6, '***',
				'<p><a href="www.mediawiki.org">123456789</a></p>',
				'<p><a href="www.mediawiki.org">123***</a></p>',
			),
			array( 6, '***',
				'<p><a href="www.mediawiki.org">12&nbsp;456789</a></p>',
				'<p><a href="www.mediawiki.org">12&nbsp;***</a></p>',
			),
			array( 7, '***',
				'<small><span style="font-weight:bold;">123<p id="#moo">456</p>789</span></small>',
				'<small><span style="font-weight:bold;">123<p id="#moo">4***</p></span></small>',
			),
			array( 8, '***',
				'<div><span style="font-weight:bold;">123<span>4</span>56789</span></div>',
				'<div><span style="font-weight:bold;">123<span>4</span>5***</span></div>',
			),
			array( 9, '***',
				'<p><table style="font-weight:bold;"><tr><td>123456789</td></tr></table></p>',
				'<p><table style="font-weight:bold;"><tr><td>123456789</td></tr></table></p>',
			),
			array( 10, '***',
				'<p><font style="font-weight:bold;">123456789</font></p>',
				'<p><font style="font-weight:bold;">123456789</font></p>',
			),
		);
	}

	/**
	 * Test Language::isWellFormedLanguageTag()
	 * @dataProvider provideWellFormedLanguageTags
	 */
	function testWellFormedLanguageTag( $code, $message = '' ) {
		$this->assertTrue(
			Language::isWellFormedLanguageTag( $code ),
			"validating code $code $message"
		);
	}

	/**
	 * The test cases are based on the tests in the GaBuZoMeu parser
	 * written by Stéphane Bortzmeyer <bortzmeyer@nic.fr>
	 * and distributed as free software, under the GNU General Public Licence.
	 * http://www.bortzmeyer.org/gabuzomeu-parsing-language-tags.html
	 */
	function provideWellFormedLanguageTags() {
		return array(
			array( 'fr', 'two-letter code' ),
			array( 'fr-latn', 'two-letter code with lower case script code' ),
			array( 'fr-Latn-FR', 'two-letter code with title case script code and uppercase country code' ),
			array( 'fr-Latn-419', 'two-letter code with title case script code and region number' ),
			array( 'fr-FR', 'two-letter code with uppercase' ),
			array( 'ax-TZ', 'Not in the registry, but well-formed' ),
			array( 'fr-shadok', 'two-letter code with variant' ),
			array( 'fr-y-myext-myext2', 'non-x singleton' ),
			array( 'fra-Latn', 'ISO 639 can be 3-letters' ),
			array( 'fra', 'three-letter language code' ),
			array( 'fra-FX', 'three-letter language code with country code' ),
			array( 'i-klingon', 'grandfathered with singleton' ),
			array( 'I-kLINgon', 'tags are case-insensitive...' ),
			array( 'no-bok', 'grandfathered without singleton' ),
			array( 'i-enochian', 'Grandfathered' ),
			array( 'x-fr-CH', 'private use' ),
			array( 'es-419', 'two-letter code with region number' ),
			array( 'en-Latn-GB-boont-r-extended-sequence-x-private', 'weird, but well-formed' ),
			array( 'ab-x-abc-x-abc', 'anything goes after x' ),
			array( 'ab-x-abc-a-a', 'anything goes after x, including several non-x singletons' ),
			array( 'i-default', 'grandfathered' ),
			array( 'abcd-Latn', 'Language of 4 chars reserved for future use' ),
			array( 'AaBbCcDd-x-y-any-x', 'Language of 5-8 chars, registered' ),
			array( 'de-CH-1901', 'with country and year' ),
			array( 'en-US-x-twain', 'with country and singleton' ),
			array( 'zh-cmn', 'three-letter variant' ),
			array( 'zh-cmn-Hant', 'three-letter variant and script' ),
			array( 'zh-cmn-Hant-HK', 'three-letter variant, script and country' ),
			array( 'xr-p-lze', 'Extension' ),
		);
	}

	/**
	 * Negative test for Language::isWellFormedLanguageTag()
	 * @dataProvider provideMalformedLanguageTags
	 */
	function testMalformedLanguageTag( $code, $message = '' ) {
		$this->assertFalse(
			Language::isWellFormedLanguageTag( $code ),
			"validating that code $code is a malformed language tag - $message"
		);
	}

	/**
	 * The test cases are based on the tests in the GaBuZoMeu parser
	 * written by Stéphane Bortzmeyer <bortzmeyer@nic.fr>
	 * and distributed as free software, under the GNU General Public Licence.
	 * http://www.bortzmeyer.org/gabuzomeu-parsing-language-tags.html
	 */
	function provideMalformedLanguageTags() {
		return array(
			array( 'f', 'language too short' ),
			array( 'f-Latn', 'language too short with script' ),
			array( 'xr-lxs-qut', 'variants too short' ), # extlangS
			array( 'fr-Latn-F', 'region too short' ),
			array( 'a-value', 'language too short with region' ),
			array( 'tlh-a-b-foo', 'valid three-letter with wrong variant' ),
			array( 'i-notexist', 'grandfathered but not registered: invalid, even if we only test well-formedness' ),
			array( 'abcdefghi-012345678', 'numbers too long' ),
			array( 'ab-abc-abc-abc-abc', 'invalid extensions' ),
			array( 'ab-abcd-abc', 'invalid extensions' ),
			array( 'ab-ab-abc', 'invalid extensions' ),
			array( 'ab-123-abc', 'invalid extensions' ),
			array( 'a-Hant-ZH', 'short language with valid extensions' ),
			array( 'a1-Hant-ZH', 'invalid character in language' ),
			array( 'ab-abcde-abc', 'invalid extensions' ),
			array( 'ab-1abc-abc', 'invalid characters in extensions' ),
			array( 'ab-ab-abcd', 'invalid order of extensions' ),
			array( 'ab-123-abcd', 'invalid order of extensions' ),
			array( 'ab-abcde-abcd', 'invalid extensions' ),
			array( 'ab-1abc-abcd', 'invalid characters in extensions' ),
			array( 'ab-a-b', 'extensions too short' ),
			array( 'ab-a-x', 'extensions too short, even with singleton' ),
			array( 'ab--ab', 'two separators' ),
			array( 'ab-abc-', 'separator in the end' ),
			array( '-ab-abc', 'separator in the beginning' ),
			array( 'abcd-efg', 'language too long' ),
			array( 'aabbccddE', 'tag too long' ),
			array( 'pa_guru', 'A tag with underscore is invalid in strict mode' ),
			array( 'de-f', 'subtag too short' ),
		);
	}

	/**
	 * Negative test for Language::isWellFormedLanguageTag()
	 */
	function testLenientLanguageTag() {
		$this->assertTrue(
			Language::isWellFormedLanguageTag( 'pa_guru', true ),
			'pa_guru is a well-formed language tag in lenient mode'
		);
	}

	/**
	 * Test Language::isValidBuiltInCode()
	 * @dataProvider provideLanguageCodes
	 */
	function testBuiltInCodeValidation( $code, $message = '' ) {
		$this->assertTrue(
			(bool)Language::isValidBuiltInCode( $code ),
			"validating code $code $message"
		);
	}

	function testBuiltInCodeValidationRejectUnderscore() {
		$this->assertFalse(
			(bool)Language::isValidBuiltInCode( 'be_tarask' ),
			"reject underscore in language code"
		);
	}

	function provideLanguageCodes() {
		return array(
			array( 'fr', 'Two letters, minor case' ),
			array( 'EN', 'Two letters, upper case' ),
			array( 'tyv', 'Three letters' ),
			array( 'tokipona', 'long language code' ),
			array( 'be-tarask', 'With dash' ),
			array( 'Zh-classical', 'Begin with upper case, dash' ),
			array( 'Be-x-old', 'With extension (two dashes)' ),
		);
	}

	/**
	 * Test Language::isKnownLanguageTag()
	 * @dataProvider provideKnownLanguageTags
	 */
	function testKnownLanguageTag( $code, $message = '' ) {
		$this->assertTrue(
			(bool)Language::isKnownLanguageTag( $code ),
			"validating code $code - $message"
		);
	}

	function provideKnownLanguageTags() {
		return array(
			array( 'fr', 'simple code' ),
			array( 'bat-smg', 'an MW legacy tag' ),
			array( 'sgs', 'an internal standard MW name, for which a legacy tag is used externally' ),
		);
	}

	/**
	 * Test Language::isKnownLanguageTag()
	 */
	function testKnownCldrLanguageTag() {
		if ( !class_exists( 'LanguageNames' ) ) {
			$this->markTestSkipped( 'The LanguageNames class is not available. The cldr extension is probably not installed.' );
		}

		$this->assertTrue(
			(bool)Language::isKnownLanguageTag( 'pal' ),
			'validating code "pal" an ancient language, which probably will not appear in Names.php, but appears in CLDR in English'
		);
	}

	/**
	 * Negative tests for Language::isKnownLanguageTag()
	 * @dataProvider provideUnKnownLanguageTags
	 */
	function testUnknownLanguageTag( $code, $message = '' ) {
		$this->assertFalse(
			(bool)Language::isKnownLanguageTag( $code ),
			"checking that code $code is invalid - $message"
		);
	}

	function provideUnknownLanguageTags() {
		return array(
			array( 'mw', 'non-existent two-letter code' ),
		);
	}

	/**
	 * @dataProvider provideSprintfDateSamples
	 */
	function testSprintfDate( $format, $ts, $expected, $msg ) {
		$this->assertEquals(
			$expected,
			$this->getLang()->sprintfDate( $format, $ts ),
			"sprintfDate('$format', '$ts'): $msg"
		);
	}

	/**
	 * bug 33454. sprintfDate should always use UTC.
	 * @dataProvider provideSprintfDateSamples
	 */
	function testSprintfDateTZ( $format, $ts, $expected, $msg ) {
		$oldTZ = date_default_timezone_get();
		$res = date_default_timezone_set( 'Asia/Seoul' );
		if ( !$res ) {
			$this->markTestSkipped( "Error setting Timezone" );
		}

		$this->assertEquals(
			$expected,
			$this->getLang()->sprintfDate( $format, $ts ),
			"sprintfDate('$format', '$ts'): $msg"
		);

		date_default_timezone_set( $oldTZ );
	}

	function provideSprintfDateSamples() {
		return array(
			array(
				'xiY',
				'20111212000000',
				'1390', // note because we're testing English locale we get Latin-standard digits
				'Iranian calendar full year'
			),
			array(
				'xiy',
				'20111212000000',
				'90',
				'Iranian calendar short year'
			),
			array(
				'o',
				'20120101235000',
				'2011',
				'ISO 8601 (week) year'
			),
			array(
				'W',
				'20120101235000',
				'52',
				'Week number'
			),
			array(
				'W',
				'20120102235000',
				'1',
				'Week number'
			),
			array(
				'o-\\WW-N',
				'20091231235000',
				'2009-W53-4',
				'leap week'
			),
			// What follows is mostly copied from http://www.mediawiki.org/wiki/Help:Extension:ParserFunctions#.23time
			array(
				'Y',
				'20120102090705',
				'2012',
				'Full year'
			),
			array(
				'y',
				'20120102090705',
				'12',
				'2 digit year'
			),
			array(
				'L',
				'20120102090705',
				'1',
				'Leap year'
			),
			array(
				'n',
				'20120102090705',
				'1',
				'Month index, not zero pad'
			),
			array(
				'N',
				'20120102090705',
				'01',
				'Month index. Zero pad'
			),
			array(
				'M',
				'20120102090705',
				'Jan',
				'Month abbrev'
			),
			array(
				'F',
				'20120102090705',
				'January',
				'Full month'
			),
			array(
				'xg',
				'20120102090705',
				'January',
				'Genitive month name (same in EN)'
			),
			array(
				'j',
				'20120102090705',
				'2',
				'Day of month (not zero pad)'
			),
			array(
				'd',
				'20120102090705',
				'02',
				'Day of month (zero-pad)'
			),
			array(
				'z',
				'20120102090705',
				'1',
				'Day of year (zero-indexed)'
			),
			array(
				'D',
				'20120102090705',
				'Mon',
				'Day of week (abbrev)'
			),
			array(
				'l',
				'20120102090705',
				'Monday',
				'Full day of week'
			),
			array(
				'N',
				'20120101090705',
				'7',
				'Day of week (Mon=1, Sun=7)'
			),
			array(
				'w',
				'20120101090705',
				'0',
				'Day of week (Sun=0, Sat=6)'
			),
			array(
				'N',
				'20120102090705',
				'1',
				'Day of week'
			),
			array(
				'a',
				'20120102090705',
				'am',
				'am vs pm'
			),
			array(
				'A',
				'20120102120000',
				'PM',
				'AM vs PM'
			),
			array(
				'a',
				'20120102000000',
				'am',
				'AM vs PM'
			),
			array(
				'g',
				'20120102090705',
				'9',
				'12 hour, not Zero'
			),
			array(
				'h',
				'20120102090705',
				'09',
				'12 hour, zero padded'
			),
			array(
				'G',
				'20120102090705',
				'9',
				'24 hour, not zero'
			),
			array(
				'H',
				'20120102090705',
				'09',
				'24 hour, zero'
			),
			array(
				'H',
				'20120102110705',
				'11',
				'24 hour, zero'
			),
			array(
				'i',
				'20120102090705',
				'07',
				'Minutes'
			),
			array(
				's',
				'20120102090705',
				'05',
				'seconds'
			),
			array(
				'U',
				'20120102090705',
				'1325495225',
				'unix time'
			),
			array(
				't',
				'20120102090705',
				'31',
				'Days in current month'
			),
			array(
				'c',
				'20120102090705',
				'2012-01-02T09:07:05+00:00',
				'ISO 8601 timestamp'
			),
			array(
				'r',
				'20120102090705',
				'Mon, 02 Jan 2012 09:07:05 +0000',
				'RFC 5322'
			),
			array(
				'xmj xmF xmn xmY',
				'20120102090705',
				'7 Safar 2 1433',
				'Islamic'
			),
			array(
				'xij xiF xin xiY',
				'20120102090705',
				'12 Dey 10 1390',
				'Iranian'
			),
			array(
				'xjj xjF xjn xjY',
				'20120102090705',
				'7 Tevet 4 5772',
				'Hebrew'
			),
			array(
				'xjt',
				'20120102090705',
				'29',
				'Hebrew number of days in month'
			),
			array(
				'xjx',
				'20120102090705',
				'Tevet',
				'Hebrew genitive month name (No difference in EN)'
			),
			array(
				'xkY',
				'20120102090705',
				'2555',
				'Thai year'
			),
			array(
				'xoY',
				'20120102090705',
				'101',
				'Minguo'
			),
			array(
				'xtY',
				'20120102090705',
				'平成24',
				'nengo'
			),
			array(
				'xrxkYY',
				'20120102090705',
				'MMDLV2012',
				'Roman numerals'
			),
			array(
				'xhxjYY',
				'20120102090705',
				'ה\'תשע"ב2012',
				'Hebrew numberals'
			),
			array(
				'xnY',
				'20120102090705',
				'2012',
				'Raw numerals (doesn\'t mean much in EN)'
			),
			array(
				'[[Y "(yea"\\r)]] \\"xx\\"',
				'20120102090705',
				'[[2012 (year)]] "x"',
				'Various escaping'
			),

		);
	}

	/**
	 * @dataProvider provideFormatSizes
	 */
	function testFormatSize( $size, $expected, $msg ) {
		$this->assertEquals(
			$expected,
			$this->getLang()->formatSize( $size ),
			"formatSize('$size'): $msg"
		);
	}

	function provideFormatSizes() {
		return array(
			array(
				0,
				"0 B",
				"Zero bytes"
			),
			array(
				1024,
				"1 KB",
				"1 kilobyte"
			),
			array(
				1024 * 1024,
				"1 MB",
				"1,024 megabytes"
			),
			array(
				1024 * 1024 * 1024,
				"1 GB",
				"1 gigabytes"
			),
			array(
				pow( 1024, 4 ),
				"1 TB",
				"1 terabyte"
			),
			array(
				pow( 1024, 5 ),
				"1 PB",
				"1 petabyte"
			),
			array(
				pow( 1024, 6 ),
				"1 EB",
				"1,024 exabyte"
			),
			array(
				pow( 1024, 7 ),
				"1 ZB",
				"1 zetabyte"
			),
			array(
				pow( 1024, 8 ),
				"1 YB",
				"1 yottabyte"
			),
			// How big!? THIS BIG!
		);
	}

	/**
	 * @dataProvider provideFormatBitrate
	 */
	function testFormatBitrate( $bps, $expected, $msg ) {
		$this->assertEquals(
			$expected,
			$this->getLang()->formatBitrate( $bps ),
			"formatBitrate('$bps'): $msg"
		);
	}

	function provideFormatBitrate() {
		return array(
			array(
				0,
				"0 bps",
				"0 bits per second"
			),
			array(
				999,
				"999 bps",
				"999 bits per second"
			),
			array(
				1000,
				"1 kbps",
				"1 kilobit per second"
			),
			array(
				1000 * 1000,
				"1 Mbps",
				"1 megabit per second"
			),
			array(
				pow( 10, 9 ),
				"1 Gbps",
				"1 gigabit per second"
			),
			array(
				pow( 10, 12 ),
				"1 Tbps",
				"1 terabit per second"
			),
			array(
				pow( 10, 15 ),
				"1 Pbps",
				"1 petabit per second"
			),
			array(
				pow( 10, 18 ),
				"1 Ebps",
				"1 exabit per second"
			),
			array(
				pow( 10, 21 ),
				"1 Zbps",
				"1 zetabit per second"
			),
			array(
				pow( 10, 24 ),
				"1 Ybps",
				"1 yottabit per second"
			),
			array(
				pow( 10, 27 ),
				"1,000 Ybps",
				"1,000 yottabits per second"
			),
		);
	}


	/**
	 * @dataProvider provideFormatDuration
	 */
	function testFormatDuration( $duration, $expected, $intervals = array() ) {
		$this->assertEquals(
			$expected,
			$this->getLang()->formatDuration( $duration, $intervals ),
			"formatDuration('$duration'): $expected"
		);
	}

	function provideFormatDuration() {
		return array(
			array(
				0,
				'0 seconds',
			),
			array(
				1,
				'1 second',
			),
			array(
				2,
				'2 seconds',
			),
			array(
				60,
				'1 minute',
			),
			array(
				2 * 60,
				'2 minutes',
			),
			array(
				3600,
				'1 hour',
			),
			array(
				2 * 3600,
				'2 hours',
			),
			array(
				24 * 3600,
				'1 day',
			),
			array(
				2 * 86400,
				'2 days',
			),
			array(
				// ( 365 + ( 24 * 3 + 25 ) / 400 ) * 86400 = 31556952
				( 365 + ( 24 * 3 + 25 ) / 400.0 ) * 86400,
				'1 year',
			),
			array(
				2 * 31556952,
				'2 years',
			),
			array(
				10 * 31556952,
				'1 decade',
			),
			array(
				20 * 31556952,
				'2 decades',
			),
			array(
				100 * 31556952,
				'1 century',
			),
			array(
				200 * 31556952,
				'2 centuries',
			),
			array(
				1000 * 31556952,
				'1 millennium',
			),
			array(
				2000 * 31556952,
				'2 millennia',
			),
			array(
				9001,
				'2 hours, 30 minutes and 1 second'
			),
			array(
				3601,
				'1 hour and 1 second'
			),
			array(
				31556952 + 2 * 86400 + 9000,
				'1 year, 2 days, 2 hours and 30 minutes'
			),
			array(
				42 * 1000 * 31556952 + 42,
				'42 millennia and 42 seconds'
			),
			array(
				60,
				'60 seconds',
				array( 'seconds' ),
			),
			array(
				61,
				'61 seconds',
				array( 'seconds' ),
			),
			array(
				1,
				'1 second',
				array( 'seconds' ),
			),
			array(
				31556952 + 2 * 86400 + 9000,
				'1 year, 2 days and 150 minutes',
				array( 'years', 'days', 'minutes' ),
			),
			array(
				42,
				'0 days',
				array( 'years', 'days' ),
			),
			array(
				31556952 + 2 * 86400 + 9000,
				'1 year, 2 days and 150 minutes',
				array( 'minutes', 'days', 'years' ),
			),
			array(
				42,
				'0 days',
				array( 'days', 'years' ),
			),
		);
	}

	/**
	 * @dataProvider provideCheckTitleEncodingData
	 */
	function testCheckTitleEncoding( $s ) {
		$this->assertEquals(
			$s,
			$this->getLang()->checkTitleEncoding( $s ),
			"checkTitleEncoding('$s')"
		);
	}

	function provideCheckTitleEncodingData() {
		return array(
			array( "" ),
			array( "United States of America" ), // 7bit ASCII
			array( rawurldecode( "S%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e" ) ),
			array(
				rawurldecode(
					"Acteur%7CAlbert%20Robbins%7CAnglais%7CAnn%20Donahue%7CAnthony%20E.%20Zuiker%7CCarol%20Mendelsohn"
				)
			),
			// The following two data sets come from bug 36839. They fail if checkTitleEncoding uses a regexp to test for
			// valid UTF-8 encoding and the pcre.recursion_limit is low (like, say, 1024). They succeed if checkTitleEncoding
			// uses mb_check_encoding for its test.
			array(
				rawurldecode(
					"Acteur%7CAlbert%20Robbins%7CAnglais%7CAnn%20Donahue%7CAnthony%20E.%20Zuiker%7CCarol%20Mendelsohn%7C"
						. "Catherine%20Willows%7CDavid%20Hodges%7CDavid%20Phillips%7CGil%20Grissom%7CGreg%20Sanders%7CHodges%7C"
						. "Internet%20Movie%20Database%7CJim%20Brass%7CLady%20Heather%7C"
						. "Les%20Experts%20(s%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e)%7CLes%20Experts%20:%20Manhattan%7C"
						. "Les%20Experts%20:%20Miami%7CListe%20des%20personnages%20des%20Experts%7C"
						. "Liste%20des%20%C3%A9pisodes%20des%20Experts%7CMod%C3%A8le%20discussion:Palette%20Les%20Experts%7C"
						. "Nick%20Stokes%7CPersonnage%20de%20fiction%7CPersonnage%20fictif%7CPersonnage%20de%20fiction%7C"
						. "Personnages%20r%C3%A9currents%20dans%20Les%20Experts%7CRaymond%20Langston%7CRiley%20Adams%7C"
						. "Saison%201%20des%20Experts%7CSaison%2010%20des%20Experts%7CSaison%2011%20des%20Experts%7C"
						. "Saison%2012%20des%20Experts%7CSaison%202%20des%20Experts%7CSaison%203%20des%20Experts%7C"
						. "Saison%204%20des%20Experts%7CSaison%205%20des%20Experts%7CSaison%206%20des%20Experts%7C"
						. "Saison%207%20des%20Experts%7CSaison%208%20des%20Experts%7CSaison%209%20des%20Experts%7C"
						. "Sara%20Sidle%7CSofia%20Curtis%7CS%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e%7CWallace%20Langham%7C"
						. "Warrick%20Brown%7CWendy%20Simms%7C%C3%89tats-Unis"
				),
			),
			array(
				rawurldecode(
					"Mod%C3%A8le%3AArrondissements%20homonymes%7CMod%C3%A8le%3ABandeau%20standard%20pour%20page%20d'homonymie%7C"
						. "Mod%C3%A8le%3ABatailles%20homonymes%7CMod%C3%A8le%3ACantons%20homonymes%7C"
						. "Mod%C3%A8le%3ACommunes%20fran%C3%A7aises%20homonymes%7CMod%C3%A8le%3AFilms%20homonymes%7C"
						. "Mod%C3%A8le%3AGouvernements%20homonymes%7CMod%C3%A8le%3AGuerres%20homonymes%7CMod%C3%A8le%3AHomonymie%7C"
						. "Mod%C3%A8le%3AHomonymie%20bateau%7CMod%C3%A8le%3AHomonymie%20d'%C3%A9tablissements%20scolaires%20ou"
						. "%20universitaires%7CMod%C3%A8le%3AHomonymie%20d'%C3%AEles%7CMod%C3%A8le%3AHomonymie%20de%20clubs%20sportifs%7C"
						. "Mod%C3%A8le%3AHomonymie%20de%20comt%C3%A9s%7CMod%C3%A8le%3AHomonymie%20de%20monument%7C"
						. "Mod%C3%A8le%3AHomonymie%20de%20nom%20romain%7CMod%C3%A8le%3AHomonymie%20de%20parti%20politique%7C"
						. "Mod%C3%A8le%3AHomonymie%20de%20route%7CMod%C3%A8le%3AHomonymie%20dynastique%7C"
						. "Mod%C3%A8le%3AHomonymie%20vid%C3%A9oludique%7CMod%C3%A8le%3AHomonymie%20%C3%A9difice%20religieux%7C"
						. "Mod%C3%A8le%3AInternationalisation%7CMod%C3%A8le%3AIsom%C3%A9rie%7CMod%C3%A8le%3AParonymie%7C"
						. "Mod%C3%A8le%3APatronyme%7CMod%C3%A8le%3APatronyme%20basque%7CMod%C3%A8le%3APatronyme%20italien%7C"
						. "Mod%C3%A8le%3APatronymie%7CMod%C3%A8le%3APersonnes%20homonymes%7CMod%C3%A8le%3ASaints%20homonymes%7C"
						. "Mod%C3%A8le%3ATitres%20homonymes%7CMod%C3%A8le%3AToponymie%7CMod%C3%A8le%3AUnit%C3%A9s%20homonymes%7C"
						. "Mod%C3%A8le%3AVilles%20homonymes%7CMod%C3%A8le%3A%C3%89difices%20religieux%20homonymes"
				)
			)
		);
	}

	/**
	 * @dataProvider provideRomanNumeralsData
	 */
	function testRomanNumerals( $num, $numerals ) {
		$this->assertEquals(
			$numerals,
			Language::romanNumeral( $num ),
			"romanNumeral('$num')"
		);
	}

	function provideRomanNumeralsData() {
		return array(
			array( 1, 'I' ),
			array( 2, 'II' ),
			array( 3, 'III' ),
			array( 4, 'IV' ),
			array( 5, 'V' ),
			array( 6, 'VI' ),
			array( 7, 'VII' ),
			array( 8, 'VIII' ),
			array( 9, 'IX' ),
			array( 10, 'X' ),
			array( 20, 'XX' ),
			array( 30, 'XXX' ),
			array( 40, 'XL' ),
			array( 49, 'XLIX' ),
			array( 50, 'L' ),
			array( 60, 'LX' ),
			array( 70, 'LXX' ),
			array( 80, 'LXXX' ),
			array( 90, 'XC' ),
			array( 99, 'XCIX' ),
			array( 100, 'C' ),
			array( 200, 'CC' ),
			array( 300, 'CCC' ),
			array( 400, 'CD' ),
			array( 500, 'D' ),
			array( 600, 'DC' ),
			array( 700, 'DCC' ),
			array( 800, 'DCCC' ),
			array( 900, 'CM' ),
			array( 999, 'CMXCIX' ),
			array( 1000, 'M' ),
			array( 1989, 'MCMLXXXIX' ),
			array( 2000, 'MM' ),
			array( 3000, 'MMM' ),
			array( 4000, 'MMMM' ),
			array( 5000, 'MMMMM' ),
			array( 6000, 'MMMMMM' ),
			array( 7000, 'MMMMMMM' ),
			array( 8000, 'MMMMMMMM' ),
			array( 9000, 'MMMMMMMMM' ),
			array( 9999, 'MMMMMMMMMCMXCIX' ),
			array( 10000, 'MMMMMMMMMM' ),
		);
	}

	/**
	 * @dataProvider providePluralData
	 */
	function testConvertPlural( $expected, $number, $forms ) {
		$chosen = $this->getLang()->convertPlural( $number, $forms );
		$this->assertEquals( $expected, $chosen );
	}

	function providePluralData() {
		// Params are: [expected text, number given, [the plural forms]]
		return array(
			array( 'plural', 0, array(
				'singular', 'plural'
			) ),
			array( 'explicit zero', 0, array(
				'0=explicit zero', 'singular', 'plural'
			) ),
			array( 'explicit one', 1, array(
				'singular', 'plural', '1=explicit one',
			) ),
			array( 'singular', 1, array(
				'singular', 'plural', '0=explicit zero',
			) ),
			array( 'plural', 3, array(
				'0=explicit zero', '1=explicit one', 'singular', 'plural'
			) ),
			array( 'explicit eleven', 11, array(
				'singular', 'plural', '11=explicit eleven',
			) ),
			array( 'plural', 12, array(
				'singular', 'plural', '11=explicit twelve',
			) ),
			array( 'plural', 12, array(
				'singular', 'plural', '=explicit form',
			) ),
			array( 'other', 2, array(
				'kissa=kala', '1=2=3', 'other',
			) ),
		);
	}

	/**
	 * @covers Language::translateBlockExpiry()
	 * @dataProvider provideTranslateBlockExpiry
	 */
	function testTranslateBlockExpiry( $expectedData, $str, $desc ) {
		$lang = $this->getLang();
		if ( is_array( $expectedData ) ) {
			list( $func, $arg ) = $expectedData;
			$expected = $lang->$func( $arg );
		} else {
			$expected = $expectedData;
		}
		$this->assertEquals( $expected, $lang->translateBlockExpiry( $str ), $desc );
	}

	function provideTranslateBlockExpiry() {
		return array(
			array( '2 hours', '2 hours', 'simple data from ipboptions' ),
			array( 'indefinite', 'infinite', 'infinite from ipboptions' ),
			array( 'indefinite', 'infinity', 'alternative infinite from ipboptions' ),
			array( 'indefinite', 'indefinite', 'another alternative infinite from ipboptions' ),
			array( array( 'formatDuration', 1023 * 60 * 60 ), '1023 hours', 'relative' ),
			array( array( 'formatDuration', -1023 ), '-1023 seconds', 'negative relative' ),
			array( array( 'formatDuration', 0 ), 'now', 'now' ),
			array( array( 'timeanddate', '20120102070000' ), '2012-1-1 7:00 +1 day', 'mixed, handled as absolute' ),
			array( array( 'timeanddate', '19910203040506' ), '1991-2-3 4:05:06', 'absolute' ),
			array( array( 'timeanddate', '19700101000000' ), '1970-1-1 0:00:00', 'absolute at epoch' ),
			array( array( 'timeanddate', '19691231235959' ), '1969-12-31 23:59:59', 'time before epoch' ),
			array( 'dummy', 'dummy', 'return garbage as is' ),
		);
	}

	/**
	 * @covers Language::commafy()
	 * @dataProvider provideCommafyData
	 */
	function testCommafy( $number, $numbersWithCommas ) {
		$this->assertEquals(
			$numbersWithCommas,
			$this->getLang()->commafy( $number ),
			"commafy('$number')"
		);
	}

	function provideCommafyData() {
		return array(
			array( 1, '1' ),
			array( 10, '10' ),
			array( 100, '100' ),
			array( 1000, '1,000' ),
			array( 10000, '10,000' ),
			array( 100000, '100,000' ),
			array( 1000000, '1,000,000' ),
			array( 1.0001, '1.0001' ),
			array( 10.0001, '10.0001' ),
			array( 100.0001, '100.0001' ),
			array( 1000.0001, '1,000.0001' ),
			array( 10000.0001, '10,000.0001' ),
			array( 100000.0001, '100,000.0001' ),
			array( 1000000.0001, '1,000,000.0001' ),
		);
	}

	function testListToText() {
		$lang = $this->getLang();
		$and = $lang->getMessageFromDB( 'and' );
		$s = $lang->getMessageFromDB( 'word-separator' );
		$c = $lang->getMessageFromDB( 'comma-separator' );

		$this->assertEquals( '', $lang->listToText( array() ) );
		$this->assertEquals( 'a', $lang->listToText( array( 'a' ) ) );
		$this->assertEquals( "a{$and}{$s}b", $lang->listToText( array( 'a', 'b' ) ) );
		$this->assertEquals( "a{$c}b{$and}{$s}c", $lang->listToText( array( 'a', 'b', 'c' ) ) );
		$this->assertEquals( "a{$c}b{$c}c{$and}{$s}d", $lang->listToText( array( 'a', 'b', 'c', 'd' ) ) );
	}

	/**
	 * @dataProvider provideIsSupportedLanguage
	 */
	function testIsSupportedLanguage( $code, $expected, $comment ) {
		$this->assertEquals( $expected, Language::isSupportedLanguage( $code ), $comment );
	}

	static function provideIsSupportedLanguage() {
		return array(
			array( 'en', true, 'is supported language' ),
			array( 'fi', true, 'is supported language' ),
			array( 'bunny', false, 'is not supported language' ),
			array( 'FI', false, 'is not supported language, input should be in lower case' ),
		);
	}
}
