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-<?php
-/**
- * Tests for UtfNormal::cleanUp() function.
- *
- * Copyright © 2004 Brion Vibber <brion@pobox.com>
- * https://www.mediawiki.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- */
-
-/**
- * Additional tests for UtfNormal::cleanUp() function, inclusion
- * regression checks for known problems.
- * Requires PHPUnit.
- *
- * @ingroup UtfNormal
- * @group Large
- *
- * @todo covers tags, will be UtfNormal::cleanUp once the below is resolved
- * @todo split me into test methods and providers per the below comment
- *
- * We ignore code coverage for this test suite until they are rewritten
- * to use data providers (bug 46561).
- * @codeCoverageIgnore
- */
-class CleanUpTest extends MediaWikiTestCase {
- /** @todo document */
- public function testAscii() {
- $text = 'This is plain ASCII text.';
- $this->assertEquals( $text, UtfNormal::cleanUp( $text ) );
- }
-
- /** @todo document */
- public function testNull() {
- $text = "a \x00 null";
- $expect = "a \xef\xbf\xbd null";
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testLatin() {
- $text = "L'\xc3\xa9cole";
- $this->assertEquals( $text, UtfNormal::cleanUp( $text ) );
- }
-
- /** @todo document */
- public function testLatinNormal() {
- $text = "L'e\xcc\x81cole";
- $expect = "L'\xc3\xa9cole";
- $this->assertEquals( $expect, UtfNormal::cleanUp( $text ) );
- }
-
- /**
- * This test is *very* expensive!
- * @todo document
- */
- function XtestAllChars() {
- $rep = UTF8_REPLACEMENT;
- for ( $i = 0x0; $i < UNICODE_MAX; $i++ ) {
- $char = codepointToUtf8( $i );
- $clean = UtfNormal::cleanUp( $char );
- $x = sprintf( "%04X", $i );
-
- if ( $i % 0x1000 == 0 ) {
- echo "U+$x\n";
- }
-
- if ( $i == 0x0009 ||
- $i == 0x000a ||
- $i == 0x000d ||
- ( $i > 0x001f && $i < UNICODE_SURROGATE_FIRST ) ||
- ( $i > UNICODE_SURROGATE_LAST && $i < 0xfffe ) ||
- ( $i > 0xffff && $i <= UNICODE_MAX )
- ) {
- if ( isset( UtfNormal::$utfCanonicalComp[$char] )
- || isset( UtfNormal::$utfCanonicalDecomp[$char] )
- ) {
- $comp = UtfNormal::NFC( $char );
- $this->assertEquals(
- bin2hex( $comp ),
- bin2hex( $clean ),
- "U+$x should be decomposed" );
- } else {
- $this->assertEquals(
- bin2hex( $char ),
- bin2hex( $clean ),
- "U+$x should be intact" );
- }
- } else {
- $this->assertEquals( bin2hex( $rep ), bin2hex( $clean ), $x );
- }
- }
- }
-
- /** @todo document */
- public static function provideAllBytes() {
- return array(
- array( '', '' ),
- array( 'x', '' ),
- array( '', 'x' ),
- array( 'x', 'x' ),
- );
- }
-
- /**
- * @dataProvider provideAllBytes
- * @todo document
- */
- function testBytes( $head, $tail ) {
- for ( $i = 0x0; $i < 256; $i++ ) {
- $char = $head . chr( $i ) . $tail;
- $clean = UtfNormal::cleanUp( $char );
- $x = sprintf( "%02X", $i );
-
- if ( $i == 0x0009 ||
- $i == 0x000a ||
- $i == 0x000d ||
- ( $i > 0x001f && $i < 0x80 )
- ) {
- $this->assertEquals(
- bin2hex( $char ),
- bin2hex( $clean ),
- "ASCII byte $x should be intact" );
- if ( $char != $clean ) {
- return;
- }
- } else {
- $norm = $head . UTF8_REPLACEMENT . $tail;
- $this->assertEquals(
- bin2hex( $norm ),
- bin2hex( $clean ),
- "Forbidden byte $x should be rejected" );
- if ( $norm != $clean ) {
- return;
- }
- }
- }
- }
-
- /**
- * @dataProvider provideAllBytes
- * @todo document
- */
- function testDoubleBytes( $head, $tail ) {
- for ( $first = 0xc0; $first < 0x100; $first += 2 ) {
- for ( $second = 0x80; $second < 0x100; $second += 2 ) {
- $char = $head . chr( $first ) . chr( $second ) . $tail;
- $clean = UtfNormal::cleanUp( $char );
- $x = sprintf( "%02X,%02X", $first, $second );
- if ( $first > 0xc1 &&
- $first < 0xe0 &&
- $second < 0xc0
- ) {
- $norm = UtfNormal::NFC( $char );
- $this->assertEquals(
- bin2hex( $norm ),
- bin2hex( $clean ),
- "Pair $x should be intact" );
- if ( $norm != $clean ) {
- return;
- }
- } elseif ( $first > 0xfd || $second > 0xbf ) {
- # fe and ff are not legal head bytes -- expect two replacement chars
- $norm = $head . UTF8_REPLACEMENT . UTF8_REPLACEMENT . $tail;
- $this->assertEquals(
- bin2hex( $norm ),
- bin2hex( $clean ),
- "Forbidden pair $x should be rejected" );
- if ( $norm != $clean ) {
- return;
- }
- } else {
- $norm = $head . UTF8_REPLACEMENT . $tail;
- $this->assertEquals(
- bin2hex( $norm ),
- bin2hex( $clean ),
- "Forbidden pair $x should be rejected" );
- if ( $norm != $clean ) {
- return;
- }
- }
- }
- }
- }
-
- /**
- * @dataProvider provideAllBytes
- * @todo document
- */
- function testTripleBytes( $head, $tail ) {
- for ( $first = 0xc0; $first < 0x100; $first += 2 ) {
- for ( $second = 0x80; $second < 0x100; $second += 2 ) {
- #for( $third = 0x80; $third < 0x100; $third++ ) {
- for ( $third = 0x80; $third < 0x81; $third++ ) {
- $char = $head . chr( $first ) . chr( $second ) . chr( $third ) . $tail;
- $clean = UtfNormal::cleanUp( $char );
- $x = sprintf( "%02X,%02X,%02X", $first, $second, $third );
-
- if ( $first >= 0xe0 &&
- $first < 0xf0 &&
- $second < 0xc0 &&
- $third < 0xc0
- ) {
- if ( $first == 0xe0 && $second < 0xa0 ) {
- $this->assertEquals(
- bin2hex( $head . UTF8_REPLACEMENT . $tail ),
- bin2hex( $clean ),
- "Overlong triplet $x should be rejected" );
- } elseif ( $first == 0xed &&
- ( chr( $first ) . chr( $second ) . chr( $third ) ) >= UTF8_SURROGATE_FIRST
- ) {
- $this->assertEquals(
- bin2hex( $head . UTF8_REPLACEMENT . $tail ),
- bin2hex( $clean ),
- "Surrogate triplet $x should be rejected" );
- } else {
- $this->assertEquals(
- bin2hex( UtfNormal::NFC( $char ) ),
- bin2hex( $clean ),
- "Triplet $x should be intact" );
- }
- } elseif ( $first > 0xc1 && $first < 0xe0 && $second < 0xc0 ) {
- $this->assertEquals(
- bin2hex( UtfNormal::NFC( $head . chr( $first ) .
- chr( $second ) ) . UTF8_REPLACEMENT . $tail ),
- bin2hex( $clean ),
- "Valid 2-byte $x + broken tail" );
- } elseif ( $second > 0xc1 && $second < 0xe0 && $third < 0xc0 ) {
- $this->assertEquals(
- bin2hex( $head . UTF8_REPLACEMENT .
- UtfNormal::NFC( chr( $second ) . chr( $third ) . $tail ) ),
- bin2hex( $clean ),
- "Broken head + valid 2-byte $x" );
- } elseif ( ( $first > 0xfd || $second > 0xfd ) &&
- ( ( $second > 0xbf && $third > 0xbf ) ||
- ( $second < 0xc0 && $third < 0xc0 ) ||
- ( $second > 0xfd ) ||
- ( $third > 0xfd ) )
- ) {
- # fe and ff are not legal head bytes -- expect three replacement chars
- $this->assertEquals(
- bin2hex( $head . UTF8_REPLACEMENT . UTF8_REPLACEMENT . UTF8_REPLACEMENT . $tail ),
- bin2hex( $clean ),
- "Forbidden triplet $x should be rejected" );
- } elseif ( $first > 0xc2 && $second < 0xc0 && $third < 0xc0 ) {
- $this->assertEquals(
- bin2hex( $head . UTF8_REPLACEMENT . $tail ),
- bin2hex( $clean ),
- "Forbidden triplet $x should be rejected" );
- } else {
- $this->assertEquals(
- bin2hex( $head . UTF8_REPLACEMENT . UTF8_REPLACEMENT . $tail ),
- bin2hex( $clean ),
- "Forbidden triplet $x should be rejected" );
- }
- }
- }
- }
- }
-
- /** @todo document */
- public function testChunkRegression() {
- # Check for regression against a chunking bug
- $text = "\x46\x55\xb8" .
- "\xdc\x96" .
- "\xee" .
- "\xe7" .
- "\x44" .
- "\xaa" .
- "\x2f\x25";
- $expect = "\x46\x55\xef\xbf\xbd" .
- "\xdc\x96" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\x44" .
- "\xef\xbf\xbd" .
- "\x2f\x25";
-
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testInterposeRegression() {
- $text = "\x4e\x30" .
- "\xb1" . # bad tail
- "\x3a" .
- "\x92" . # bad tail
- "\x62\x3a" .
- "\x84" . # bad tail
- "\x43" .
- "\xc6" . # bad head
- "\x3f" .
- "\x92" . # bad tail
- "\xad" . # bad tail
- "\x7d" .
- "\xd9\x95";
-
- $expect = "\x4e\x30" .
- "\xef\xbf\xbd" .
- "\x3a" .
- "\xef\xbf\xbd" .
- "\x62\x3a" .
- "\xef\xbf\xbd" .
- "\x43" .
- "\xef\xbf\xbd" .
- "\x3f" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\x7d" .
- "\xd9\x95";
-
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testOverlongRegression() {
- $text = "\x67" .
- "\x1a" . # forbidden ascii
- "\xea" . # bad head
- "\xc1\xa6" . # overlong sequence
- "\xad" . # bad tail
- "\x1c" . # forbidden ascii
- "\xb0" . # bad tail
- "\x3c" .
- "\x9e"; # bad tail
- $expect = "\x67" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\x3c" .
- "\xef\xbf\xbd";
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testSurrogateRegression() {
- $text = "\xed\xb4\x96" . # surrogate 0xDD16
- "\x83" . # bad tail
- "\xb4" . # bad tail
- "\xac"; # bad head
- $expect = "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd";
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testBomRegression() {
- $text = "\xef\xbf\xbe" . # U+FFFE, illegal char
- "\xb2" . # bad tail
- "\xef" . # bad head
- "\x59";
- $expect = "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\xef\xbf\xbd" .
- "\x59";
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testForbiddenRegression() {
- $text = "\xef\xbf\xbf"; # U+FFFF, illegal char
- $expect = "\xef\xbf\xbd";
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-
- /** @todo document */
- public function testHangulRegression() {
- $text = "\xed\x9c\xaf" . # Hangul char
- "\xe1\x87\x81"; # followed by another final jamo
- $expect = $text; # Should *not* change.
- $this->assertEquals(
- bin2hex( $expect ),
- bin2hex( UtfNormal::cleanUp( $text ) ) );
- }
-}
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