third_party/WebKit/LayoutTests/imported/wpt/mathml/presentation-markup/scripts/subsup-1.html - Issue 2425083003: Import wpt@4114c724042b41e257caab98f3eb23c143b50de4

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Issue 2425083003: Import wpt@4114c724042b41e257caab98f3eb23c143b50de4 (Closed)

Patch Set: Created 4 years, 2 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <meta charset="utf-8">

	5 <title>Subscripts and Superscripts metrics</title>

	6 <link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S3.html#S S4">

	7 <meta name="assert" content="Basic metrics for elements msub, msup and msubsup." >

	8 <script src="/resources/testharness.js"></script>

	9 <script src="/resources/testharnessreport.js"></script>

	10 <style>

	11 math, mspace {

	12 font-size: 10px;

	13 }

	14 </style>

	15 <script>

	16 /* This test does not use any specific fonts and so the exact rules are not

	17 specified precisely. We assume reasonable values for script shifts and

	18 spacing. */

	19

	20 function getBox(aId) {

	21 var box = document.getElementById(aId).getBoundingClientRect();

	22 box.middle = (box.bottom + box.top) / 2;

	23 return box;

	24 }

	25

	26 setup({ explicit_done: true });

	27 window.addEventListener("load", runTests);

	28

	29 function runTests() {

	30 test(function() {

	31 var e = 1;

	32 assert_less_than_equal(getBox("msubBase").right, getBox("msubSub").left, e , "msub: subscript is after base");

	33 assert_less_than_equal(getBox("msupBase").right, getBox("msupSup").left, e , "msup: superscript is after base");

	34 assert_less_than_equal(getBox("msubsupBase").right, getBox("msubsupSub").l eft, e, "msubsup: subscript is after base");

	35 assert_less_than_equal(getBox("msubsupBase").right, getBox("msubsupSup").l eft, e, "msubsup: superscript is after base");

	36

	37 e = 3;

	38 assert_approx_equals(getBox("msubBase").right, getBox("msubSub").left, e, "msub: space between base and subscript is small");

	39 assert_approx_equals(getBox("msubBase").right, getBox("msubSub").left, e, "msub: subscript is after base");

	40 assert_approx_equals(getBox("msupBase").right, getBox("msupSup").left, e, "msup: superscript is after base");

	41 assert_approx_equals(getBox("msubsupBase").right, getBox("msubsupSub").lef t, e, "msubsup: subscript is after base");

	42 assert_approx_equals(getBox("msubsupBase").right, getBox("msubsupSup").lef t, e, "msubsup: superscript is after base");

	43 }, "Respective horizontal positions");

	44

	45 test(function() {

	46 var e = 1;

	47 assert_approx_equals(getBox("msubBase").middle, getBox("baseline").bottom, e, "msub: base is placed on the baseline");

	48 assert_approx_equals(getBox("msupBase").middle, getBox("baseline").bottom, e, "msup: base is placed on the baseline");

	49 assert_approx_equals(getBox("msubsupBase").middle, getBox("baseline").bott om, e, "msubsup: base is placed on the baseline");

	50 }, "Alignment of the base on the baseline");

	51

	52 test(function() {

	53 var e = 3;

	54 assert_approx_equals(getBox("msubSub").middle, getBox("msubBase").bottom, e, "msub: script is placed at the bottom of the base");

	55 assert_approx_equals(getBox("msupSup").middle, getBox("msupBase").top, e, "msup: script is placed at the top of the base");

	56 assert_approx_equals(getBox("msubsupSub").middle, getBox("msubsupBase").bo ttom, e, "msubsup: script is placed at the bottom of the base");

	57 assert_approx_equals(getBox("msubsupSup").middle, getBox("msubsupBase").to p, e, "msubsup: script is placed at the top of the base");

	58 }, "Vertical position of scripts");

	59

	60 test(function() {

	61 var e = 3;

	62 assert_approx_equals(getBox("msub").width, getBox("msubSub").right - getBo x("msubBase").left, e, "msub: width is determined by the left/right sides of bas e/script (+ some space after script)");

	63 assert_approx_equals(getBox("msup").width, getBox("msupSup").right - getBo x("msupBase").left, e, "msup: width is determined by the left/right sides of bas e/script (+ some space after script)");

	64 assert_approx_equals(getBox("msubsup").width, Math.max(getBox("msubsupSub" ).right, getBox("msubsupSup").right) - getBox("msubsupBase").left, e, "msubsup: width is determined by the left/right sides of base/scripts (+ some space after script)");

	65 }, "Width of scripted elements");

	66

	67 test(function() {

	68 var e = 1;

	69 assert_greater_than_equal(getBox("msub").height, getBox("msubBase").height , e, "msub: height is at least the one of the base");

	70 assert_greater_than_equal(getBox("msup").height, getBox("msupBase").height , e, "msup: height is at least the one of the base");

	71 assert_greater_than_equal(getBox("msubsup").height, getBox("msubsupBase"). height, e, "msubsup: height is at least the one of the base");

	72

	73 e = 3;

	74 assert_approx_equals(getBox("msub").height, Math.max(getBox("msubSub").bot tom, getBox("msubBase").bottom) - getBox("msubBase").top, e, "msub: height is de termined by the top/bottom sides of base/scripts");

	75 assert_approx_equals(getBox("msup").height, getBox("msupBase").bottom - Ma th.min(getBox("msupSup").top, getBox("msupBase").top), e, "msup: height is deter mined by the top/bottom sides of base/scripts");

	76 assert_approx_equals(getBox("msubsup").height, Math.max(getBox("msubSub"). bottom, getBox("msubBase").bottom) - Math.min(getBox("msupSup").top, getBox("msu pBase").top), e, "msubsup: height is determined by the top/bottom sides of base/ scripts");

	77 }, "Height of scripted elements");

	78

	79 done();

	80 }

	81 </script>

	82 </head>

	83 <body>

	84 <p>

	85 <math>

	86 <mspace id="baseline" width="30px" height="2px" depth="0px" mathbackground ="blue"/>

	87 <msub id="msub" mathbackground="green">

	88 <mspace id="msubBase" width="30px" height="15px" depth="15px" mathbackgr ound="black"/>

	89 <mspace id="msubSub" width="10px" height="5px" depth="5px" mathbackgroun d="black"/>

	90 </msub>

	91 <msup id="msup" mathbackground="blue">

	92 <mspace id="msupBase" width="30px" height="15px" depth="15px" mathbackgr ound="black"/>

	93 <mspace id="msupSup" width="10px" height="5px" depth="5px" mathbackgroun d="black"/>

	94 </msup>

	95 <msubsup id="msubsup" mathbackground="green">

	96 <mspace id="msubsupBase" width="30px" height="15px" depth="15px" mathbac kground="black"/>

	97 <mspace id="msubsupSub" width="10px" height="5px" depth="5px" mathbackgr ound="black"/>

	98 <mspace id="msubsupSup" width="10px" height="5px" depth="5px" mathbackgr ound="black"/>

	99 </msubsup>

	100 </math>

	101 </p>

	102 <hr/>

	103 </body>

	104 </html>

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