chromium/src/third_party/blink/web_tests/external/wpt/mathml/presentation-markup/scripts/underover-1.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <title>Underscripts and Overscripts parameters</title>
 <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
 <meta name="assert" content="Elements munder, mover, munderover correctly .">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="/mathml/support/feature-detection.js"></script>
 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
 <style>
   math, mspace, mo {
     font-family: Ahem;
     font-size: 10px;
   }
 </style>
 <script>
   /* This test does not use any specific fonts and so the exact rules are not
   specified precisely. We assume reasonable values for script shifts and
   spacing. */

   function getBox(aId) {
     var box = document.getElementById(aId).getBoundingClientRect();
     box.middle = (box.bottom + box.top) / 2;
     box.center = (box.left + box.right) / 2;
     return box;
   }

   setup({ explicit_done: true });
   window.addEventListener("load", () => { document.fonts.ready.then(runTests); });

   function runTests() {
     test(function() {
       assert_true(MathMLFeatureDetection.has_mspace());

       var e = 1;
       for (var i = 0; i <= 3; i++) {
         assert_approx_equals(getBox("under" + i + "base").middle, getBox("baseline").bottom, e, "munder " + i + ": base is placed on the baseline");
         assert_approx_equals(getBox("over" + i + "base").middle, getBox("baseline").bottom, e, "mover " + i + ": base is placed on the baseline");
       }
       for (var i = 0; i <= 5; i++) {
         assert_approx_equals(getBox("underover" + i + "base").middle, getBox("baseline").bottom, e, "munderover " + i + ": base is placed on the baseline");
       }
     }, "Alignment of the base on the baseline");

     test(function() {
       assert_true(MathMLFeatureDetection.has_mspace());

       var e = 1;
       for (var i = 0; i <= 3; i++) {
         assert_approx_equals(getBox("under" + i + "under").center, getBox("under" + i + "base").center, e, "munder " + i + ": base and script are horizontally centered");
         assert_approx_equals(getBox("over" + i + "over").center, getBox("over" + i + "base").center, e, "mover " + i + ": base and script are horizontally centered");
       }
       for (var i = 0; i <= 5; i++) {
         assert_approx_equals(getBox("underover" + i + "under").center, getBox("underover" + i + "base").center, e, "munderover " + i + ": base and underscript are horizontally centered");
         assert_approx_equals(getBox("underover" + i + "over").center, getBox("underover" + i + "base").center, e, "munderover " + i + ": base and overscript are horizontally centered");
       }
     }, "Horizontal alignments of base and scripts");

     test(function() {
       assert_true(MathMLFeatureDetection.has_mspace());

       for (var i = 0; i <= 3; i++) {
         assert_greater_than_equal(getBox("under" + i + "under").top, getBox("under" + i + "base").bottom, "munder " + i + ": script is under base");
         assert_less_than_equal(getBox("over" + i + "over").bottom, getBox("over" + i + "base").top, "mover " + i + ": script is over base");
       }
       for (var i = 0; i <= 5; i++) {
         assert_greater_than_equal(getBox("underover" + i + "under").top, getBox("underover" + i + "base").bottom, "munderover " + i + ": underscript is under base");
         assert_less_than_equal(getBox("underover" + i + "over").bottom, getBox("underover" + i + "base").top, "munderover " + i + ": overscript is over base");
       }
     }, "Relative vertical positions of base and scripts");

     test(function() {
       assert_true(MathMLFeatureDetection.has_mspace());

       var e = 1;
       for (var i = 0; i <= 3; i++) {
         assert_approx_equals(getBox("under" + i).width, Math.max(getBox("under" + i + "base").width, getBox("under" + i + "under").width), e, "munder " + i + ": width is determined by the maximum of width of base and script");
         assert_approx_equals(getBox("over" + i).width, Math.max(getBox("over" + i + "base").width, getBox("over" + i + "over").width), e, "mover " + i + ": width is determined by the maximum of width of base and script");
       }
       for (var i = 0; i <= 5; i++) {
         assert_approx_equals(getBox("underover" + i).width, Math.max(getBox("underover" + i + "base").width, getBox("underover" + i + "under").width, getBox("underover" + i + "over").width), e, "munderover " + i + ": width is determined by the maximum of width of base and scripts");
       }
     }, "Width of scripted elements");

     test(function() {
       assert_true(MathMLFeatureDetection.has_mspace());

       var e = 4;
       for (var i = 0; i <= 3; i++) {
         assert_approx_equals(getBox("under" + i).height, getBox("under" + i + "base").height + getBox("under" + i + "under").height, e, "munder " + i + ": height is determined by the sum of heights of base and script plus some spacing.");
         assert_approx_equals(getBox("over" + i).height, getBox("over" + i + "base").height + getBox("over" + i + "over").height, e, "mover " + i + ": height is determined by the sum of heights of base and script plus some spacing.");
       }
       for (var i = 0; i <= 5; i++) {
         assert_approx_equals(getBox("underover" + i).height, getBox("underover" + i + "base").height + getBox("underover" + i + "under").height + getBox("underover" + i + "over").height, e, "munderover " + i + ": height is determined by the sum heights of base and scripts");
       }
     }, "Height of scripted elements");

     done();
   }
 </script>
 </head>
 <body>
   <div id="log"></div>
   <p>
     <math>
       <mspace id="baseline" width="30px" height="2px" depth="0px" style="background: blue"/>
       <munder id="under0">
         <mspace id="under0base" width="30px" height="5px" depth="5px" style="background: black"/>
         <mspace id="under0under" width="10px" height="5px" depth="5px" style="background: black"/>
       </munder>
       <munder id="under1">
         <mspace id="under1base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="under1under" width="30px" height="5px" depth="5px" style="background: black"/>
       </munder>
       <munder id="under2">
         <mspace id="under2base" width="10px" height="15px" depth="15px" style="background: black"/>
         <mspace id="under2under" width="10px" height="5px" depth="5px" style="background: black"/>
       </munder>
       <munder id="under3">
         <mspace id="under3base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="under3under" width="10px" height="15px" depth="15px" style="background: black"/>
       </munder>
       <mover id="over0">
         <mspace id="over0base" width="30px" height="5px" depth="5px" style="background: black"/>
         <mspace id="over0over" width="10px" height="5px" depth="5px" style="background: black"/>
       </mover>
       <mover id="over1">
         <mspace id="over1base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="over1over" width="30px" height="5px" depth="5px" style="background: black"/>
       </mover>
       <mover id="over2">
         <mspace id="over2base" width="10px" height="15px" depth="15px" style="background: black"/>
         <mspace id="over2over" width="10px" height="5px" depth="5px" style="background: black"/>
       </mover>
       <mover id="over3">
         <mspace id="over3base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="over3over" width="10px" height="15px" depth="15px" style="background: black"/>
       </mover>
       <munderover id="underover0">
         <mspace id="underover0base" width="30px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover0under" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover0over" width="10px" height="5px" depth="5px" style="background: black"/>
       </munderover>
       <munderover id="underover1">
         <mspace id="underover1base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover1under" width="30px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover1over" width="10px" height="5px" depth="5px" style="background: black"/>
       </munderover>
       <munderover id="underover2">
         <mspace id="underover2base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover2under" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover2over" width="30px" height="5px" depth="5px" style="background: black"/>
       </munderover>
       <munderover id="underover3">
         <mspace id="underover3base" width="10px" height="15px" depth="15px" style="background: black"/>
         <mspace id="underover3under" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover3over" width="10px" height="5px" depth="5px" style="background: black"/>
       </munderover>
       <munderover id="underover4">
         <mspace id="underover4base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover4under" width="10px" height="15px" depth="15px" style="background: black"/>
         <mspace id="underover4over" width="10px" height="5px" depth="5px" style="background: black"/>
       </munderover>
       <munderover id="underover5">
         <mspace id="underover5base" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover5under" width="10px" height="5px" depth="5px" style="background: black"/>
         <mspace id="underover5over" width="10px" height="15px" depth="15px" style="background: black"/>
       </munderover>
     </math>
   </p>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Underscripts and Overscripts parameters</title>
	<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
	<meta name="assert" content="Elements munder, mover, munderover correctly .">
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script src="/mathml/support/feature-detection.js"></script>
	<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
	<style>
	math, mspace, mo {
	font-family: Ahem;
	font-size: 10px;
	}
	</style>
	<script>
	/* This test does not use any specific fonts and so the exact rules are not
	specified precisely. We assume reasonable values for script shifts and
	spacing. */

	function getBox(aId) {
	var box = document.getElementById(aId).getBoundingClientRect();
	box.middle = (box.bottom + box.top) / 2;
	box.center = (box.left + box.right) / 2;
	return box;
	}

	setup({ explicit_done: true });
	window.addEventListener("load", () => { document.fonts.ready.then(runTests); });

	function runTests() {
	test(function() {
	assert_true(MathMLFeatureDetection.has_mspace());

	var e = 1;
	for (var i = 0; i <= 3; i++) {
	assert_approx_equals(getBox("under" + i + "base").middle, getBox("baseline").bottom, e, "munder " + i + ": base is placed on the baseline");
	assert_approx_equals(getBox("over" + i + "base").middle, getBox("baseline").bottom, e, "mover " + i + ": base is placed on the baseline");
	}
	for (var i = 0; i <= 5; i++) {
	assert_approx_equals(getBox("underover" + i + "base").middle, getBox("baseline").bottom, e, "munderover " + i + ": base is placed on the baseline");
	}
	}, "Alignment of the base on the baseline");

	test(function() {
	assert_true(MathMLFeatureDetection.has_mspace());

	var e = 1;
	for (var i = 0; i <= 3; i++) {
	assert_approx_equals(getBox("under" + i + "under").center, getBox("under" + i + "base").center, e, "munder " + i + ": base and script are horizontally centered");
	assert_approx_equals(getBox("over" + i + "over").center, getBox("over" + i + "base").center, e, "mover " + i + ": base and script are horizontally centered");
	}
	for (var i = 0; i <= 5; i++) {
	assert_approx_equals(getBox("underover" + i + "under").center, getBox("underover" + i + "base").center, e, "munderover " + i + ": base and underscript are horizontally centered");
	assert_approx_equals(getBox("underover" + i + "over").center, getBox("underover" + i + "base").center, e, "munderover " + i + ": base and overscript are horizontally centered");
	}
	}, "Horizontal alignments of base and scripts");

	test(function() {
	assert_true(MathMLFeatureDetection.has_mspace());

	for (var i = 0; i <= 3; i++) {
	assert_greater_than_equal(getBox("under" + i + "under").top, getBox("under" + i + "base").bottom, "munder " + i + ": script is under base");
	assert_less_than_equal(getBox("over" + i + "over").bottom, getBox("over" + i + "base").top, "mover " + i + ": script is over base");
	}
	for (var i = 0; i <= 5; i++) {
	assert_greater_than_equal(getBox("underover" + i + "under").top, getBox("underover" + i + "base").bottom, "munderover " + i + ": underscript is under base");
	assert_less_than_equal(getBox("underover" + i + "over").bottom, getBox("underover" + i + "base").top, "munderover " + i + ": overscript is over base");
	}
	}, "Relative vertical positions of base and scripts");

	test(function() {
	assert_true(MathMLFeatureDetection.has_mspace());

	var e = 1;
	for (var i = 0; i <= 3; i++) {
	assert_approx_equals(getBox("under" + i).width, Math.max(getBox("under" + i + "base").width, getBox("under" + i + "under").width), e, "munder " + i + ": width is determined by the maximum of width of base and script");
	assert_approx_equals(getBox("over" + i).width, Math.max(getBox("over" + i + "base").width, getBox("over" + i + "over").width), e, "mover " + i + ": width is determined by the maximum of width of base and script");
	}
	for (var i = 0; i <= 5; i++) {
	assert_approx_equals(getBox("underover" + i).width, Math.max(getBox("underover" + i + "base").width, getBox("underover" + i + "under").width, getBox("underover" + i + "over").width), e, "munderover " + i + ": width is determined by the maximum of width of base and scripts");
	}
	}, "Width of scripted elements");

	test(function() {
	assert_true(MathMLFeatureDetection.has_mspace());

	var e = 4;
	for (var i = 0; i <= 3; i++) {
	assert_approx_equals(getBox("under" + i).height, getBox("under" + i + "base").height + getBox("under" + i + "under").height, e, "munder " + i + ": height is determined by the sum of heights of base and script plus some spacing.");
	assert_approx_equals(getBox("over" + i).height, getBox("over" + i + "base").height + getBox("over" + i + "over").height, e, "mover " + i + ": height is determined by the sum of heights of base and script plus some spacing.");
	}
	for (var i = 0; i <= 5; i++) {
	assert_approx_equals(getBox("underover" + i).height, getBox("underover" + i + "base").height + getBox("underover" + i + "under").height + getBox("underover" + i + "over").height, e, "munderover " + i + ": height is determined by the sum heights of base and scripts");
	}
	}, "Height of scripted elements");

	done();
	}
	</script>
	</head>
	<body>
	<div id="log"></div>
	<p>
	<math>
	<mspace id="baseline" width="30px" height="2px" depth="0px" style="background: blue"/>
	<munder id="under0">
	<mspace id="under0base" width="30px" height="5px" depth="5px" style="background: black"/>
	<mspace id="under0under" width="10px" height="5px" depth="5px" style="background: black"/>
	</munder>
	<munder id="under1">
	<mspace id="under1base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="under1under" width="30px" height="5px" depth="5px" style="background: black"/>
	</munder>
	<munder id="under2">
	<mspace id="under2base" width="10px" height="15px" depth="15px" style="background: black"/>
	<mspace id="under2under" width="10px" height="5px" depth="5px" style="background: black"/>
	</munder>
	<munder id="under3">
	<mspace id="under3base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="under3under" width="10px" height="15px" depth="15px" style="background: black"/>
	</munder>
	<mover id="over0">
	<mspace id="over0base" width="30px" height="5px" depth="5px" style="background: black"/>
	<mspace id="over0over" width="10px" height="5px" depth="5px" style="background: black"/>
	</mover>
	<mover id="over1">
	<mspace id="over1base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="over1over" width="30px" height="5px" depth="5px" style="background: black"/>
	</mover>
	<mover id="over2">
	<mspace id="over2base" width="10px" height="15px" depth="15px" style="background: black"/>
	<mspace id="over2over" width="10px" height="5px" depth="5px" style="background: black"/>
	</mover>
	<mover id="over3">
	<mspace id="over3base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="over3over" width="10px" height="15px" depth="15px" style="background: black"/>
	</mover>
	<munderover id="underover0">
	<mspace id="underover0base" width="30px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover0under" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover0over" width="10px" height="5px" depth="5px" style="background: black"/>
	</munderover>
	<munderover id="underover1">
	<mspace id="underover1base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover1under" width="30px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover1over" width="10px" height="5px" depth="5px" style="background: black"/>
	</munderover>
	<munderover id="underover2">
	<mspace id="underover2base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover2under" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover2over" width="30px" height="5px" depth="5px" style="background: black"/>
	</munderover>
	<munderover id="underover3">
	<mspace id="underover3base" width="10px" height="15px" depth="15px" style="background: black"/>
	<mspace id="underover3under" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover3over" width="10px" height="5px" depth="5px" style="background: black"/>
	</munderover>
	<munderover id="underover4">
	<mspace id="underover4base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover4under" width="10px" height="15px" depth="15px" style="background: black"/>
	<mspace id="underover4over" width="10px" height="5px" depth="5px" style="background: black"/>
	</munderover>
	<munderover id="underover5">
	<mspace id="underover5base" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover5under" width="10px" height="5px" depth="5px" style="background: black"/>
	<mspace id="underover5over" width="10px" height="15px" depth="15px" style="background: black"/>
	</munderover>
	</math>
	</p>
	</body>
	</html>