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MMLRenderTest.php
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<?php
namespace MediaWiki\Extension\Math\Tests\WikiTexVC;
use MediaWiki\Extension\Math\WikiTexVC\MMLmappings\TexConstants\Tag;
use MediaWiki\Extension\Math\WikiTexVC\MMLmappings\TexConstants\TexClass;
use MediaWiki\Extension\Math\WikiTexVC\MMLmappings\Util\MMLTestUtil;
use MediaWiki\Extension\Math\WikiTexVC\TexVC;
use MediaWikiIntegrationTestCase;
/**
* These are some specific testcases by MML-Rendering by WikiTexVC.
* They are explicitly described here instead of in JSON files because
* Mathoid or LaTeXML do not generate suitable results for reference.
* @covers \MediaWiki\Extension\Math\WikiTexVC\TexVC
*/
class MMLRenderTest extends MediaWikiIntegrationTestCase {
public function testMathFRakUnicode() {
$input = "\\mathfrak{O}, \\mathfrak{K}, \\mathfrak{t}, \\mathfrak{C}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( '&#x1D512;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D50E;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D531;', $mathMLtexVC );
$this->assertStringContainsString( '&#x212D;', $mathMLtexVC );
}
public function testMathCalUnicode() {
$input = "\\mathcal{O}, \\mathcal{K}, \\mathcal{t}, \\mathcal{c}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( '&#x1D4AA;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D4A6;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D4C9;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D4B8;', $mathMLtexVC );
}
public function testDoubleStruckLiteralUnicode() {
$input = "\\mathbb{Q}, \\R, \\Complex, \\mathbb{4}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( '&#x211A;', $mathMLtexVC );
$this->assertStringContainsString( '&#x211D;', $mathMLtexVC );
$this->assertStringContainsString( '&#x2102;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D7DC;', $mathMLtexVC );
}
public function testBoldUnicode() {
$input = "\\mathbf{4}, {\\bf Q} {\\bf a}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( '&#x1D41A;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D410;', $mathMLtexVC );
$this->assertStringContainsString( '&#x1D7D2;', $mathMLtexVC );
}
public function testNoLimits() {
$input = "\\displaystyle \int\\nolimits_0^\infty f(x) dx";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( 'movablelimits="false"', $mathMLtexVC );
$this->assertStringNotContainsString( "nolimits", $mathMLtexVC );
}
public function testGenfracStretching() {
$input = "\\tbinom{n}{k} \\dbinom{n}{k} \\binom{n}{k}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "maxsize", $mathMLtexVC );
}
public function testBracketSizesOpen() {
$input = "\bigl( \Bigl( \biggl( \Biggl( ";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( 'minsize', $mathMLtexVC );
$this->assertStringContainsString( 'maxsize', $mathMLtexVC );
}
public function testBracketSizesClose() {
$input = "\bigr) \Bigr) \biggr) \Biggr) ";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( 'minsize', $mathMLtexVC );
$this->assertStringContainsString( 'maxsize', $mathMLtexVC );
}
public function testLimOperatorSpacing() {
$input = "\liminf v, \limsup w \injlim x \projlim y";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "lim inf", $mathMLtexVC );
$this->assertStringContainsString( "lim sup", $mathMLtexVC );
$this->assertStringContainsString( "inj lim", $mathMLtexVC );
$this->assertStringContainsString( "proj lim", $mathMLtexVC );
}
public function testTrimNull() {
$input = "\\bigl( \\begin{smallmatrix}a&b\\\\ c&d\\end{smallmatrix} \\bigr)";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "mtable", $mathMLtexVC );
}
public function testApplyOperator1() {
$input = "\sup x";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyOperator2() {
$input = "\sup";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyOperator3() {
$input = "\sup \sin";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyFunction1() {
$input = "\sin x";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyFunction2() {
$input = "\sin";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyFunction3() {
$input = "\sin{x}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyFunction4() {
$input = "\sin \sin";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyFunction5() {
$input = "\cos(x)";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2061;</mo>", $mathMLtexVC );
}
public function testApplyFunction6() {
$input = "\sin \cos^2";
$mathMLtexVC = preg_replace( '/\s+/', '', $this->generateMML( $input ) );
$this->assertStringContainsString( "<msup><mi>cos</mi><mrow", $mathMLtexVC );
$this->assertStringContainsString( "sin", $mathMLtexVC );
}
public function testSpacesNoMstyle() {
$input = "\bmod \, \!";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "mspace", $mathMLtexVC );
$this->assertStringNotContainsString( "mstyle", $mathMLtexVC );
}
public function testBigl() {
$input = "\bigl(";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( TexClass::OPEN, $mathMLtexVC );
}
public function testMsupNumChild1() {
$input = "\sum^{^N}_{k}";
$mathMLtexVC = str_replace( [ "\n", " " ], "", $this->generateMML( $input ) );
$this->assertStringContainsString( "<msup><mi/><mrow", $mathMLtexVC );
}
public function testMsupNumChild2() {
$input = "\sum^{a^N}_{k}";
$mathMLtexVC = str_replace( [ "\n", " " ], "", $this->generateMML( $input ) );
$this->assertStringNotContainsString( "<msup><mi/><mrow", $mathMLtexVC );
}
public function testUndersetNumChild() {
$input = "\underset{\mathrm{def}}{}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "munder", $mathMLtexVC );
}
public function testUndersetNumChild2() {
$input = "\underset{\mathrm{def}}{\mathrm{g}}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "munder", $mathMLtexVC );
}
public function testAlignLeft() {
$input = " \begin{align} f(x) & = (a+b)^2 \\ & = a^2+2ab+b^2 \\ \\end{align} ";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "mtable", $mathMLtexVC );
}
public function testLeftRightAttributes() {
$input = "\\left( \\right) \\left[ \\right]";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo", $mathMLtexVC );
$this->assertStringNotContainsString( "stretchy", $mathMLtexVC );
}
public function testIntbar1() {
$input = "\intbar";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo", $mathMLtexVC );
$this->assertStringContainsString( "&#x2A0D;", $mathMLtexVC );
}
public function testIntBar2() {
$input = "\intBar";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo", $mathMLtexVC );
$this->assertStringContainsString( "&#x2A0E;", $mathMLtexVC );
}
public function testAtop() {
$input = "{ a \atop b }";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mfrac linethickness=\"0\">", $mathMLtexVC );
}
public function testChoose() {
$input = "{ a \choose b }";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mfrac linethickness=\"0\">", $mathMLtexVC );
$this->assertStringContainsString( ")", $mathMLtexVC );
$this->assertStringContainsString( "(", $mathMLtexVC );
}
public function testOver() {
$input = "{a \over b }";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mfrac>", $mathMLtexVC );
}
public function testBigcup() {
$input = "\bigcup_{i=_1}^n E_i";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "munderover", $mathMLtexVC );
}
public function testBigcap() {
$input = "\bigcap_{i=_1}^n E_i";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "munderover", $mathMLtexVC );
}
public function testScriptAlignment() {
$input = "\log_{10} f";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "<mo></mo>", $mathMLtexVC );
$this->assertStringContainsString( "<msub>", $mathMLtexVC );
}
public function testNotOperatorname() {
$input = "\\not\operatorname{R}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mpadded width=\"0\">", $mathMLtexVC );
$this->assertStringContainsString( "<mtext>&#x29F8;</mtext>", $mathMLtexVC );
}
public function testUnder() {
$input = "\\underbrace{ a+b+\\cdots+z }_{26}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<munder>", $mathMLtexVC );
$this->assertStringNotContainsString( "<msub>", $mathMLtexVC );
}
public function testSumDisplaystyle() {
$input = "\sum_{k=1}^N k^2";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mstyle displaystyle=\"true\" scriptlevel=\"0\">", $mathMLtexVC );
}
public function testSumTextstyle() {
$input = "\\textstyle \sum_{k=1}^N k^2";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mstyle displaystyle=\"false\" scriptlevel=\"0\">", $mathMLtexVC );
}
public function testPilcrow() {
$input = "\P";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#xB6;</mo>\n</math>", $mathMLtexVC );
}
public function testLesserThan() {
$input = "<, \\nless,";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&lt;</mo>", $mathMLtexVC );
}
public function testSidesetError() {
$input = "\\sideset{_1^2}{_3^4}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "merror", $mathMLtexVC );
}
public function testEmptySidesetDQ() {
$input = "\\sideset{}{}a_b";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "merror", $mathMLtexVC );
}
public function testEmptySidesetUQ() {
$input = "\\sideset{}{}a^b";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "merror", $mathMLtexVC );
}
public function testSidesetSum() {
$input = "\\sideset{_1^2}{_3^4}\\sum";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "merror", $mathMLtexVC );
$this->assertStringContainsString( "mmultiscripts", $mathMLtexVC );
$this->assertStringContainsString( "<mprescripts/>", $mathMLtexVC );
$this->assertStringContainsString( ">&#x2211;", $mathMLtexVC );
}
public function testSidesetProd() {
$input = "\\sideset{_1^2}{_3^4}\\prod";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "merror", $mathMLtexVC );
$this->assertStringContainsString( "mmultiscripts", $mathMLtexVC );
$this->assertStringContainsString( "<mprescripts/>", $mathMLtexVC );
$this->assertStringContainsString( ">&#x220F;", $mathMLtexVC );
}
public function testSidesetFQ() {
$input = "\\sideset{_1^2}{_3^4}\prod_a^b";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringNotContainsString( "merror", $mathMLtexVC );
$this->assertStringContainsString( "mmultiscripts", $mathMLtexVC );
$this->assertStringContainsString( "<mprescripts/>", $mathMLtexVC );
$this->assertStringContainsString( ">&#x220F;", $mathMLtexVC );
$this->assertStringContainsString( "<mi>a</mi>", $mathMLtexVC );
$this->assertStringContainsString( "<mi>b</mi>", $mathMLtexVC );
$this->assertStringContainsString( "movablelimits", $mathMLtexVC );
}
public function testLimitsProd() {
$input = "\\prod\\limits_{j=1}^k A_{\\alpha_j}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "munderover", $mathMLtexVC );
$this->assertStringContainsString( "&#x220F;", $mathMLtexVC, );
$this->assertStringContainsString( "msub", $mathMLtexVC, );
}
public function testLimitsSum() {
$input = "\\sum\\limits_{j=1}^k A_{\\alpha_j}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "munderover", $mathMLtexVC );
$this->assertStringContainsString( "&#x2211;", $mathMLtexVC, );
$this->assertStringContainsString( "msub", $mathMLtexVC, );
}
public function testLimitsLim() {
$input = "\\lim_{x \\to 2}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "lim", $mathMLtexVC );
$this->assertStringContainsString( "munder", $mathMLtexVC, );
}
public function testRenderSpaceSemicolon() {
$input = "{\\;}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "mspace", $mathMLtexVC, );
}
public function testSpacesAndCommas() {
$input = "{a}{b , c}\\,";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>,", $mathMLtexVC );
$this->assertStringContainsString( "mspace", $mathMLtexVC, );
}
public function testPrecedingSubscriptsFQ() {
$input = "{}_1^2\\!\\Omega_3^4";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mrow " . Tag::CLASSTAG . "=\"ORD\"/>", $mathMLtexVC );
$this->assertStringContainsString( "msubsup", $mathMLtexVC, );
}
public function testPrecedingSubscriptsDQ() {
$input = "{}_pF_q";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mrow " . Tag::CLASSTAG . "=\"ORD\"/>", $mathMLtexVC );
$this->assertStringContainsString( "msub", $mathMLtexVC, );
}
public function testPilcrowAndSectionSign() {
$input = "\\P P \\S S";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mi>P", $mathMLtexVC );
$this->assertStringContainsString( "<mi>S", $mathMLtexVC, );
$this->assertStringContainsString( "&#xB6;", $mathMLtexVC, );
$this->assertStringContainsString( "&#xA7;", $mathMLtexVC, );
}
public function testDerivatives1() {
$input = "b_{f''}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2033;", $mathMLtexVC );
$this->assertStringContainsString( "msup", $mathMLtexVC, );
}
public function testDerivatives2() {
$input = "f''''(x)";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mo>&#x2057;", $mathMLtexVC );
$this->assertStringContainsString( "msup", $mathMLtexVC, );
}
public function testLimitsTextstyle() {
$input = "\\textstyle \\lim_{n \\to \\infty}x_n";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "lim", $mathMLtexVC );
$this->assertStringContainsString( "munder", $mathMLtexVC, );
$this->assertStringContainsString( "movablelimits=\"true\"", $mathMLtexVC );
}
public function testColorGeneration1() {
$input = "\\color{Dandelion}{Dandelion}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "#FDBC42", $mathMLtexVC );
}
public function testColorGeneration2() {
$input = "\\color{ForestGreen}{ForestGreen}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "#009B55", $mathMLtexVC );
}
public function testColorGeneration3() {
$input = "\\color{Rhodamine}{Rhodamine}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "#EF559F", $mathMLtexVC );
}
public function testStyle1() {
$input = "\\displaystyle \{U(\omega )\cdot \sigma _{H}(\omega )\} z";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mstyle displaystyle=\"true\" scriptlevel=\"0\">", $mathMLtexVC );
$this->assertStringContainsString( "<mi>z</mi>", $mathMLtexVC );
$this->assertStringContainsString( "</mstyle>", $mathMLtexVC, );
}
public function testStyle2() {
$input = "\\displaystyle abc \\textstyle def";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mstyle displaystyle=\"false\" scriptlevel=\"0\">", $mathMLtexVC );
$this->assertStringContainsString( "</mstyle>", $mathMLtexVC, );
}
public function testStyle3() {
$input = "\\scriptstyle{abc} def \\textstyle ghi";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mstyle displaystyle=\"false\" scriptlevel=\"1\">", $mathMLtexVC );
$this->assertStringContainsString( "</mstyle>", $mathMLtexVC, );
}
public function testStyle4() {
$input = "\\textstyle b > \\textstyle \\delta";
$mathMLtexVC = $this->generateMML( $input );
$count = 0;
str_replace( "<mstyle displaystyle", "", $mathMLtexVC, $count );
$this->assertEquals( 2, $count );
}
public function testSpaceText() {
$input = "\\text{if}~n\ \\text{is even} ";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mtext", $mathMLtexVC );
$this->assertStringNotContainsString( "&#160;", $mathMLtexVC );
}
public function testSpaceOther() {
// It is expected to render CR as whitespace
$input = "\,e_{x}=\sum _{t=1}^{\infty }\ _{t}p_{x}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mspace", $mathMLtexVC );
}
public function testGenfracDQ() {
$input = "\\binom{m}{k - j}_{\!\!q}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "<mi>q</mi>", $mathMLtexVC );
$this->assertStringContainsString( "msub", $mathMLtexVC );
}
public function testDQZeroArgs() {
$input = "nF^{_{}}/RT";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "msup", $mathMLtexVC );
}
public function testMatrixDQ() {
$input = "\\begin{pmatrix} S \\\\Se\\\\Te\\end{pmatrix}_2";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "mtable", $mathMLtexVC );
$this->assertStringContainsString( "msub", $mathMLtexVC );
$this->assertStringContainsString( "<mn>2</mn>", $mathMLtexVC );
}
public function testAttributeDuplicate() {
// This checks that there is some non-erronous output caused by double class attributes
$input = "\\mu_{\\operatorname{\\inf}}";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "&#x3BC;", $mathMLtexVC );
}
private function generateMML( $input, $chem = false ) {
$texVC = new TexVC();
$resultT = $texVC->check( $input, [
'debug' => false,
'usemathrm' => false,
'oldtexvc' => false,
'usemhchem' => $chem
] );
return MMLTestUtil::getMMLwrapped( $resultT["input"] ) ?? "<math> error texvc </math>";
}
public function testOperatorAccentPlain() {
// T384794
$input = "\\operatorname{a}'";
$mathMLtexVC = $this->generateMML( $input );
$posSupEnd = strpos( $mathMLtexVC, "</msup>" );
$posFunApply = strpos( $mathMLtexVC, "&#x2061;</mo>" );
$posAccent = strpos( $mathMLtexVC, "&#x2032;</mo>" );
$posA = strpos( $mathMLtexVC, "a</mi>" );
$this->assertGreaterThan( $posSupEnd, $posFunApply, "Function application should be last" );
$this->assertGreaterThan( $posAccent, $posSupEnd, "Accent needs to be within msup" );
$this->assertGreaterThan( $posA, $posAccent, "Accent should follow a" );
}
public function testOperatorAccentApplied() {
// T384794
$input = "\\operatorname{a}'x";
$mathMLtexVC = $this->generateMML( $input );
$this->assertStringContainsString( "mo", $mathMLtexVC );
$this->assertStringContainsString( "msup", $mathMLtexVC );
$this->assertStringContainsString( "x2061;", $mathMLtexVC );
}
public function testAmsDelim1() {
$input = "\\ulcorner a \\urcorner";
$mml = $this->generateMML( $input );
$this->assertStringContainsString( "&#x231C;", $mml );
$this->assertStringContainsString( "&#x231D;", $mml );
}
public function testlVert() {
$input = "\\lVert a \\rVert";
$mml = $this->generateMML( $input );
$this->assertStringContainsString( "&#x2016;", $mml );
$this->assertStringNotContainsString( "OPEN", $mml );
$this->assertStringNotContainsString( "CLOSE", $mml );
}
}

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