tests/phpunit/includes/parser/PreprocessorTest.php

   1 <?php
   2
   3 class PreprocessorTest extends MediaWikiTestCase {
   4         protected $mTitle = 'Page title';
   5         protected $mPPNodeCount = 0;
   6         /**
   7          * @var ParserOptions
   8          */
   9         protected $mOptions;
  10         /**
  11          * @var array
  12          */
  13         protected $mPreprocessors;
  14
  15         protected static $classNames = [
  16                 'Preprocessor_DOM',
  17                 'Preprocessor_Hash'
  18         ];
  19
  20         protected function setUp() {
  21                 global $wgContLang;
  22                 parent::setUp();
  23                 $this->mOptions = ParserOptions::newFromUserAndLang( new User, $wgContLang );
  24
  25                 $this->mPreprocessors = [];
  26                 foreach ( self::$classNames as $className ) {
  27                         $this->mPreprocessors[$className] = new $className( $this );
  28                 }
  29         }
  30
  31         function getStripList() {
  32                 return [ 'gallery', 'display map' /* Used by Maps, see r80025 CR */, '/foo' ];
  33         }
  34
  35         protected static function addClassArg( $testCases ) {
  36                 $newTestCases = [];
  37                 foreach ( self::$classNames as $className ) {
  38                         foreach ( $testCases as $testCase ) {
  39                                 array_unshift( $testCase, $className );
  40                                 $newTestCases[] = $testCase;
  41                         }
  42                 }
  43                 return $newTestCases;
  44         }
  45
  46         public static function provideCases() {
  47                 // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
  48                 return self::addClassArg( [
  49                         [ "Foo", "<root>Foo</root>" ],
  50                         [ "<!-- Foo -->", "<root><comment>&lt;!-- Foo --&gt;</comment></root>" ],
  51                         [ "<!-- Foo --><!-- Bar -->", "<root><comment>&lt;!-- Foo --&gt;</comment><comment>&lt;!-- Bar --&gt;</comment></root>" ],
  52                         [ "<!-- Foo -->  <!-- Bar -->", "<root><comment>&lt;!-- Foo --&gt;</comment>  <comment>&lt;!-- Bar --&gt;</comment></root>" ],
  53                         [ "<!-- Foo --> \n <!-- Bar -->", "<root><comment>&lt;!-- Foo --&gt;</comment> \n <comment>&lt;!-- Bar --&gt;</comment></root>" ],
  54                         [ "<!-- Foo --> \n <!-- Bar -->\n", "<root><comment>&lt;!-- Foo --&gt;</comment> \n<comment> &lt;!-- Bar --&gt;\n</comment></root>" ],
  55                         [ "<!-- Foo -->  <!-- Bar -->\n", "<root><comment>&lt;!-- Foo --&gt;</comment>  <comment>&lt;!-- Bar --&gt;</comment>\n</root>" ],
  56                         [ "<!-->Bar", "<root><comment>&lt;!--&gt;Bar</comment></root>" ],
  57                         [ "<!-- Comment -- comment", "<root><comment>&lt;!-- Comment -- comment</comment></root>" ],
  58                         [ "== Foo ==\n  <!-- Bar -->\n== Baz ==\n", "<root><h level=\"2\" i=\"1\">== Foo ==</h>\n<comment>  &lt;!-- Bar --&gt;\n</comment><h level=\"2\" i=\"2\">== Baz ==</h>\n</root>" ],
  59                         [ "<gallery/>", "<root><ext><name>gallery</name><attr></attr></ext></root>" ],
  60                         [ "Foo <gallery/> Bar", "<root>Foo <ext><name>gallery</name><attr></attr></ext> Bar</root>" ],
  61                         [ "<gallery></gallery>", "<root><ext><name>gallery</name><attr></attr><inner></inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  62                         [ "<foo> <gallery></gallery>", "<root>&lt;foo&gt; <ext><name>gallery</name><attr></attr><inner></inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  63                         [ "<foo> <gallery><gallery></gallery>", "<root>&lt;foo&gt; <ext><name>gallery</name><attr></attr><inner>&lt;gallery&gt;</inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  64                         [ "<noinclude> Foo bar </noinclude>", "<root><ignore>&lt;noinclude&gt;</ignore> Foo bar <ignore>&lt;/noinclude&gt;</ignore></root>" ],
  65                         [ "<noinclude>\n{{Foo}}\n</noinclude>", "<root><ignore>&lt;noinclude&gt;</ignore>\n<template lineStart=\"1\"><title>Foo</title></template>\n<ignore>&lt;/noinclude&gt;</ignore></root>" ],
  66                         [ "<noinclude>\n{{Foo}}\n</noinclude>\n", "<root><ignore>&lt;noinclude&gt;</ignore>\n<template lineStart=\"1\"><title>Foo</title></template>\n<ignore>&lt;/noinclude&gt;</ignore>\n</root>" ],
  67                         [ "<gallery>foo bar", "<root>&lt;gallery&gt;foo bar</root>" ],
  68                         [ "<{{foo}}>", "<root>&lt;<template><title>foo</title></template>&gt;</root>" ],
  69                         [ "<{{{foo}}}>", "<root>&lt;<tplarg><title>foo</title></tplarg>&gt;</root>" ],
  70                         [ "<gallery></gallery</gallery>", "<root><ext><name>gallery</name><attr></attr><inner>&lt;/gallery</inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  71                         [ "=== Foo === ", "<root><h level=\"3\" i=\"1\">=== Foo === </h></root>" ],
  72                         [ "==<!-- -->= Foo === ", "<root><h level=\"2\" i=\"1\">==<comment>&lt;!-- --&gt;</comment>= Foo === </h></root>" ],
  73                         [ "=== Foo ==<!-- -->= ", "<root><h level=\"1\" i=\"1\">=== Foo ==<comment>&lt;!-- --&gt;</comment>= </h></root>" ],
  74                         [ "=== Foo ===<!-- -->\n", "<root><h level=\"3\" i=\"1\">=== Foo ===<comment>&lt;!-- --&gt;</comment></h>\n</root>" ],
  75                         [ "=== Foo ===<!-- --> <!-- -->\n", "<root><h level=\"3\" i=\"1\">=== Foo ===<comment>&lt;!-- --&gt;</comment> <comment>&lt;!-- --&gt;</comment></h>\n</root>" ],
  76                         [ "== Foo ==\n== Bar == \n", "<root><h level=\"2\" i=\"1\">== Foo ==</h>\n<h level=\"2\" i=\"2\">== Bar == </h>\n</root>" ],
  77                         [ "===========", "<root><h level=\"5\" i=\"1\">===========</h></root>" ],
  78                         [ "Foo\n=\n==\n=\n", "<root>Foo\n=\n==\n=\n</root>" ],
  79                         [ "{{Foo}}", "<root><template><title>Foo</title></template></root>" ],
  80                         [ "\n{{Foo}}", "<root>\n<template lineStart=\"1\"><title>Foo</title></template></root>" ],
  81                         [ "{{Foo|bar}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part></template></root>" ],
  82                         [ "{{Foo|bar}}a", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part></template>a</root>" ],
  83                         [ "{{Foo|bar|baz}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part><part><name index=\"2\" /><value>baz</value></part></template></root>" ],
  84                         [ "{{Foo|1=bar}}", "<root><template><title>Foo</title><part><name>1</name>=<value>bar</value></part></template></root>" ],
  85                         [ "{{Foo|=bar}}", "<root><template><title>Foo</title><part><name></name>=<value>bar</value></part></template></root>" ],
  86                         [ "{{Foo|bar=baz}}", "<root><template><title>Foo</title><part><name>bar</name>=<value>baz</value></part></template></root>" ],
  87                         [ "{{Foo|{{bar}}=baz}}", "<root><template><title>Foo</title><part><name><template><title>bar</title></template></name>=<value>baz</value></part></template></root>" ],
  88                         [ "{{Foo|1=bar|baz}}", "<root><template><title>Foo</title><part><name>1</name>=<value>bar</value></part><part><name index=\"1\" /><value>baz</value></part></template></root>" ],
  89                         [ "{{Foo|1=bar|2=baz}}", "<root><template><title>Foo</title><part><name>1</name>=<value>bar</value></part><part><name>2</name>=<value>baz</value></part></template></root>" ],
  90                         [ "{{Foo|bar|foo=baz}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part><part><name>foo</name>=<value>baz</value></part></template></root>" ],
  91                         [ "{{{1}}}", "<root><tplarg><title>1</title></tplarg></root>" ],
  92                         [ "{{{1|}}}", "<root><tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg></root>" ],
  93                         [ "{{{Foo}}}", "<root><tplarg><title>Foo</title></tplarg></root>" ],
  94                         [ "{{{Foo|}}}", "<root><tplarg><title>Foo</title><part><name index=\"1\" /><value></value></part></tplarg></root>" ],
  95                         [ "{{{Foo|bar|baz}}}", "<root><tplarg><title>Foo</title><part><name index=\"1\" /><value>bar</value></part><part><name index=\"2\" /><value>baz</value></part></tplarg></root>" ],
  96                         [ "{<!-- -->{Foo}}", "<root>{<comment>&lt;!-- --&gt;</comment>{Foo}}</root>" ],
  97                         [ "{{{{Foobar}}}}", "<root>{<tplarg><title>Foobar</title></tplarg>}</root>" ],
  98                         [ "{{{ {{Foo}} }}}", "<root><tplarg><title> <template><title>Foo</title></template> </title></tplarg></root>" ],
  99                         [ "{{ {{{Foo}}} }}", "<root><template><title> <tplarg><title>Foo</title></tplarg> </title></template></root>" ],
 100                         [ "{{{{{Foo}}}}}", "<root><template><title><tplarg><title>Foo</title></tplarg></title></template></root>" ],
 101                         [ "{{{{{Foo}} }}}", "<root><tplarg><title><template><title>Foo</title></template> </title></tplarg></root>" ],
 102                         [ "{{{{{{Foo}}}}}}", "<root><tplarg><title><tplarg><title>Foo</title></tplarg></title></tplarg></root>" ],
 103                         [ "{{{{{{Foo}}}}}", "<root>{<template><title><tplarg><title>Foo</title></tplarg></title></template></root>" ],
 104                         [ "[[[Foo]]", "<root>[[[Foo]]</root>" ],
 105                         [ "{{Foo|[[[[bar]]|baz]]}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>[[[[bar]]|baz]]</value></part></template></root>" ], // This test is important, since it means the difference between having the [[ rule stacked or not
 106                         [ "{{Foo|[[[[bar]|baz]]}}", "<root>{{Foo|[[[[bar]|baz]]}}</root>" ],
 107                         [ "{{Foo|Foo [[[[bar]|baz]]}}", "<root>{{Foo|Foo [[[[bar]|baz]]}}</root>" ],
 108                         [ "Foo <display map>Bar</display map             >Baz", "<root>Foo <ext><name>display map</name><attr></attr><inner>Bar</inner><close>&lt;/display map             &gt;</close></ext>Baz</root>" ],
 109                         [ "Foo <display map foo>Bar</display map             >Baz", "<root>Foo <ext><name>display map</name><attr> foo</attr><inner>Bar</inner><close>&lt;/display map             &gt;</close></ext>Baz</root>" ],
 110                         [ "Foo <gallery bar=\"baz\" />", "<root>Foo <ext><name>gallery</name><attr> bar=&quot;baz&quot; </attr></ext></root>" ],
 111                         [ "Foo <gallery bar=\"1\" baz=2 />", "<root>Foo <ext><name>gallery</name><attr> bar=&quot;1&quot; baz=2 </attr></ext></root>" ],
 112                         [ "</foo>Foo<//foo>", "<root><ext><name>/foo</name><attr></attr><inner>Foo</inner><close>&lt;//foo&gt;</close></ext></root>" ], # Worth blacklisting IMHO
 113                         [ "{{#ifexpr: ({{{1|1}}} = 2) | Foo | Bar }}", "<root><template><title>#ifexpr: (<tplarg><title>1</title><part><name index=\"1\" /><value>1</value></part></tplarg> = 2) </title><part><name index=\"1\" /><value> Foo </value></part><part><name index=\"2\" /><value> Bar </value></part></template></root>" ],
 114                         [ "{{#if: {{{1|}}} | Foo | {{Bar}} }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> Foo </value></part><part><name index=\"2\" /><value> <template><title>Bar</title></template> </value></part></template></root>" ],
 115                         [ "{{#if: {{{1|}}} | Foo | [[Bar]] }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> Foo </value></part><part><name index=\"2\" /><value> [[Bar]] </value></part></template></root>" ],
 116                         [ "{{#if: {{{1|}}} | [[Foo]] | Bar }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> [[Foo]] </value></part><part><name index=\"2\" /><value> Bar </value></part></template></root>" ],
 117                         [ "{{#if: {{{1|}}} | 1 | {{#if: {{{1|}}} | 2 | 3 }} }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> 1 </value></part><part><name index=\"2\" /><value> <template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> 2 </value></part><part><name index=\"2\" /><value> 3 </value></part></template> </value></part></template></root>" ],
 118                         [ "{{ {{Foo}}", "<root>{{ <template><title>Foo</title></template></root>" ],
 119                         [ "{{Foobar {{Foo}} {{Bar}} {{Baz}} ", "<root>{{Foobar <template><title>Foo</title></template> <template><title>Bar</title></template> <template><title>Baz</title></template> </root>" ],
 120                         [ "[[Foo]] |", "<root>[[Foo]] |</root>" ],
 121                         [ "{{Foo|Bar|", "<root>{{Foo|Bar|</root>" ],
 122                         [ "[[Foo]", "<root>[[Foo]</root>" ],
 123                         [ "[[Foo|Bar]", "<root>[[Foo|Bar]</root>" ],
 124                         [ "{{Foo| [[Bar] }}", "<root>{{Foo| [[Bar] }}</root>" ],
 125                         [ "{{Foo| [[Bar|Baz] }}", "<root>{{Foo| [[Bar|Baz] }}</root>" ],
 126                         [ "{{Foo|bar=[[baz]}}", "<root>{{Foo|bar=[[baz]}}</root>" ],
 127                         [ "{{foo|", "<root>{{foo|</root>" ],
 128                         [ "{{foo|}", "<root>{{foo|}</root>" ],
 129                         [ "{{foo|} }}", "<root><template><title>foo</title><part><name index=\"1\" /><value>} </value></part></template></root>" ],
 130                         [ "{{foo|bar=|}", "<root>{{foo|bar=|}</root>" ],
 131                         [ "{{Foo|} Bar=", "<root>{{Foo|} Bar=</root>" ],
 132                         [ "{{Foo|} Bar=}}", "<root><template><title>Foo</title><part><name>} Bar</name>=<value></value></part></template></root>" ],
 133                         /* [ file_get_contents( __DIR__ . '/QuoteQuran.txt' ], file_get_contents( __DIR__ . '/QuoteQuranExpanded.txt' ) ], */
 134                 ] );
 135                 // @codingStandardsIgnoreEnd
 136         }
 137
 138         /**
 139          * Get XML preprocessor tree from the preprocessor (which may not be the
 140          * native XML-based one).
 141          *
 142          * @param string $className
 143          * @param string $wikiText
 144          * @return string
 145          */
 146         protected function preprocessToXml( $className, $wikiText ) {
 147                 $preprocessor = $this->mPreprocessors[$className];
 148                 if ( method_exists( $preprocessor, 'preprocessToXml' ) ) {
 149                         return $this->normalizeXml( $preprocessor->preprocessToXml( $wikiText ) );
 150                 }
 151
 152                 $dom = $preprocessor->preprocessToObj( $wikiText );
 153                 if ( is_callable( [ $dom, 'saveXML' ] ) ) {
 154                         return $dom->saveXML();
 155                 } else {
 156                         return $this->normalizeXml( $dom->__toString() );
 157                 }
 158         }
 159
 160         /**
 161          * Normalize XML string to the form that a DOMDocument saves out.
 162          *
 163          * @param string $xml
 164          * @return string
 165          */
 166         protected function normalizeXml( $xml ) {
 167                 // Normalize self-closing tags
 168                 $xml = preg_replace( '!<([a-z]+)/>!', '<$1></$1>', str_replace( ' />', '/>', $xml ) );
 169                 // Remove <equals> tags, which only occur in Preprocessor_Hash and
 170                 // have no semantic value
 171                 $xml = preg_replace( '!</?equals>!', '', $xml );
 172                 return $xml;
 173         }
 174
 175         /**
 176          * @dataProvider provideCases
 177          * @covers Preprocessor_DOM::preprocessToXml
 178          */
 179         public function testPreprocessorOutput( $className, $wikiText, $expectedXml ) {
 180                 $this->assertEquals( $this->normalizeXml( $expectedXml ),
 181                         $this->preprocessToXml( $className, $wikiText ) );
 182         }
 183
 184         /**
 185          * These are more complex test cases taken out of wiki articles.
 186          */
 187         public static function provideFiles() {
 188                 // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
 189                 return self::addClassArg( [
 190                         [ "QuoteQuran" ], # http://en.wikipedia.org/w/index.php?title=Template:QuoteQuran/sandbox&oldid=237348988 GFDL + CC BY-SA by Striver
 191                         [ "Factorial" ], # http://en.wikipedia.org/w/index.php?title=Template:Factorial&oldid=98548758 GFDL + CC BY-SA by Polonium
 192                         [ "All_system_messages" ], # http://tl.wiktionary.org/w/index.php?title=Suleras:All_system_messages&oldid=2765 GPL text generated by MediaWiki
 193                         [ "Fundraising" ], # http://tl.wiktionary.org/w/index.php?title=MediaWiki:Sitenotice&oldid=5716 GFDL + CC BY-SA, copied there by Sky Harbor.
 194                         [ "NestedTemplates" ], # bug 27936
 195                 ] );
 196                 // @codingStandardsIgnoreEnd
 197         }
 198
 199         /**
 200          * @dataProvider provideFiles
 201          * @covers Preprocessor_DOM::preprocessToXml
 202          */
 203         public function testPreprocessorOutputFiles( $className, $filename ) {
 204                 $folder = __DIR__ . "/../../../parser/preprocess";
 205                 $wikiText = file_get_contents( "$folder/$filename.txt" );
 206                 $output = $this->preprocessToXml( $className, $wikiText );
 207
 208                 $expectedFilename = "$folder/$filename.expected";
 209                 if ( file_exists( $expectedFilename ) ) {
 210                         $expectedXml = $this->normalizeXml( file_get_contents( $expectedFilename ) );
 211                         $this->assertEquals( $expectedXml, $output );
 212                 } else {
 213                         $tempFilename = tempnam( $folder, "$filename." );
 214                         file_put_contents( $tempFilename, $output );
 215                         $this->markTestIncomplete( "File $expectedFilename missing. Output stored as $tempFilename" );
 216                 }
 217         }
 218
 219         /**
 220          * Tests from T30642 · https://phabricator.wikimedia.org/T30642
 221          */
 222         public static function provideHeadings() {
 223                 // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
 224                 return self::addClassArg( [
 225                         /* These should become headings: */
 226                         [ "== h ==<!--c1-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment></h></root>" ],
 227                         [ "== h ==      <!--c1-->", "<root><h level=\"2\" i=\"1\">== h ==       <comment>&lt;!--c1--&gt;</comment></h></root>" ],
 228                         [ "== h ==<!--c1-->     ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>      </h></root>" ],
 229                         [ "== h ==      <!--c1-->       ", "<root><h level=\"2\" i=\"1\">== h ==        <comment>&lt;!--c1--&gt;</comment>      </h></root>" ],
 230                         [ "== h ==<!--c1--><!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment></h></root>" ],
 231                         [ "== h ==      <!--c1--><!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==      <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment></h></root>" ],
 232                         [ "== h ==<!--c1--><!--c2-->    ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>    </h></root>" ],
 233                         [ "== h ==      <!--c1--><!--c2-->      ", "<root><h level=\"2\" i=\"1\">== h ==        <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>    </h></root>" ],
 234                         [ "== h ==      <!--c1-->  <!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==    <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment></h></root>" ],
 235                         [ "== h ==<!--c1-->  <!--c2-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  </h></root>" ],
 236                         [ "== h ==      <!--c1-->  <!--c2-->    ", "<root><h level=\"2\" i=\"1\">== h ==        <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  </h></root>" ],
 237                         [ "== h ==<!--c1--><!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 238                         [ "== h ==<!--c1-->  <!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 239                         [ "== h ==<!--c1--><!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 240                         [ "== h ==<!--c1-->  <!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 241                         [ "== h ==  <!--c1--><!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 242                         [ "== h ==  <!--c1-->  <!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 243                         [ "== h ==  <!--c1--><!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 244                         [ "== h ==  <!--c1-->  <!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 245                         [ "== h ==<!--c1--><!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 246                         [ "== h ==<!--c1-->  <!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 247                         [ "== h ==<!--c1--><!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 248                         [ "== h ==<!--c1-->  <!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 249                         [ "== h ==  <!--c1--><!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 250                         [ "== h ==  <!--c1-->  <!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 251                         [ "== h ==  <!--c1--><!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 252                         [ "== h ==  <!--c1-->  <!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 253                         [ "== h ==<!--c1-->     <!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>     <comment>&lt;!--c2--&gt;</comment></h></root>" ],
 254                         [ "== h ==      <!--c1-->       <!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==       <comment>&lt;!--c1--&gt;</comment>      <comment>&lt;!--c2--&gt;</comment></h></root>" ],
 255                         [ "== h ==<!--c1-->     <!--c2-->       ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>      <comment>&lt;!--c2--&gt;</comment>      </h></root>" ],
 256
 257                         /* These are not working: */
 258                         [ "== h == x <!--c1--><!--c2--><!--c3-->  ", "<root>== h == x <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </root>" ],
 259                         [ "== h ==<!--c1--> x <!--c2--><!--c3-->  ", "<root>== h ==<comment>&lt;!--c1--&gt;</comment> x <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </root>" ],
 260                         [ "== h ==<!--c1--><!--c2--><!--c3--> x ", "<root>== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment> x </root>" ],
 261                 ] );
 262                 // @codingStandardsIgnoreEnd
 263         }
 264
 265         /**
 266          * @dataProvider provideHeadings
 267          * @covers Preprocessor_DOM::preprocessToXml
 268          */
 269         public function testHeadings( $className, $wikiText, $expectedXml ) {
 270                 $this->assertEquals( $this->normalizeXml( $expectedXml ),
 271                         $this->preprocessToXml( $className, $wikiText ) );
 272         }
 273 }