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Issue 2434253002: Import wpt@7e8373f4bd144e66c88535983aa735b28c934cfe (Closed)
Patch Set: Modify TestExpectations or download new baselines for tests. Created 4 years, 2 months ago
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1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="utf-8">
5 <title>Underscripts and Overscripts parameters</title>
6 <link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S3.html#S S4">
7 <meta name="assert" content="Elements munder, mover, munderover correctly .">
8 <script src="/resources/testharness.js"></script>
9 <script src="/resources/testharnessreport.js"></script>
10 <style>
11 math, mspace, mo {
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 box.center = (box.left + box.right) / 2;
24 return box;
25 }
26
27 setup({ explicit_done: true });
28 window.addEventListener("load", runTests);
29
30 function runTests() {
31 test(function() {
32 var e = 1;
33 for (var i = 0; i <= 3; i++) {
34 assert_approx_equals(getBox("under" + i + "base").middle, getBox("baseli ne").bottom, e, "munder " + i + ": base is placed on the baseline");
35 assert_approx_equals(getBox("over" + i + "base").middle, getBox("baselin e").bottom, e, "mover " + i + ": base is placed on the baseline");
36 }
37 for (var i = 0; i <= 5; i++) {
38 assert_approx_equals(getBox("underover" + i + "base").middle, getBox("ba seline").bottom, e, "munderover " + i + ": base is placed on the baseline");
39 }
40 }, "Alignment of the base on the baseline");
41
42 test(function() {
43 var e = 1;
44 for (var i = 0; i <= 3; i++) {
45 assert_approx_equals(getBox("under" + i + "under").center, getBox("under " + i + "base").center, e, "munder " + i + ": base and script are horizontally c entered");
46 assert_approx_equals(getBox("over" + i + "over").center, getBox("over" + i + "base").center, e, "mover " + i + ": base and script are horizontally cente red");
47 }
48 for (var i = 0; i <= 5; i++) {
49 assert_approx_equals(getBox("underover" + i + "under").center, getBox("u nderover" + i + "base").center, e, "munderover " + i + ": base and underscript a re horizontally centered");
50 assert_approx_equals(getBox("underover" + i + "over").center, getBox("un derover" + i + "base").center, e, "munderover " + i + ": base and overscript are horizontally centered");
51 }
52 }, "Horizontal alignments of base and scripts");
53
54 test(function() {
55 for (var i = 0; i <= 3; i++) {
56 assert_greater_than_equal(getBox("under" + i + "under").top, getBox("und er" + i + "base").bottom, "munder " + i + ": script is under base");
57 assert_less_than_equal(getBox("over" + i + "over").bottom, getBox("over" + i + "base").top, "mover " + i + ": script is over base");
58 }
59 for (var i = 0; i <= 5; i++) {
60 assert_greater_than_equal(getBox("underover" + i + "under").top, getBox( "underover" + i + "base").bottom, "munderover " + i + ": underscript is under ba se");
61 assert_less_than_equal(getBox("underover" + i + "over").bottom, getBox(" underover" + i + "base").top, "munderover " + i + ": overscript is over base");
62 }
63 }, "Relative vertical positions of base and scripts");
64
65 test(function() {
66 var e = 1;
67 for (var i = 0; i <= 3; i++) {
68 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");
69 assert_approx_equals(getBox("over" + i).width, Math.max(getBox("over" + i + "base").width, getBox("over" + i + "over").width), e, "mover " + i + ": widt h is determined by the maximum of width of base and script");
70 }
71 for (var i = 0; i <= 5; i++) {
72 assert_approx_equals(getBox("underover" + i).width, Math.max(getBox("und erover" + i + "base").width, getBox("underover" + i + "under").width, getBox("un derover" + i + "over").width), e, "munderover " + i + ": width is determined by the maximum of width of base and scripts");
73 }
74 }, "Width of scripted elements");
75
76 test(function() {
77 var e = 3;
78 for (var i = 0; i <= 3; i++) {
79 assert_approx_equals(getBox("under" + i).height, getBox("under" + i + "b ase").height + getBox("under" + i + "under").height + e, e, "munder " + i + ": h eight is determined by the sum of heights of base and script plus some spacing." );
80 assert_approx_equals(getBox("over" + i).height, getBox("over" + i + "bas e").height + getBox("over" + i + "over").height + e, e, "mover " + i + ": height is determined by the sum of heights of base and script plus some spacing.");
81 }
82 for (var i = 0; i <= 5; i++) {
83 assert_approx_equals(getBox("underover" + i).height, getBox("underover" + i + "base").height + getBox("underover" + i + "under").height + getBox("undero ver" + i + "over").height + e, e, "munderover " + i + ": height is determined by the sum heights of base and scripts");
84 }
85 }, "Height of scripted elements");
86
87 done();
88 }
89 </script>
90 </head>
91 <body>
92 <p>
93 <math>
94 <mspace id="baseline" width="30px" height="2px" depth="0px" mathbackground ="blue"/>
95 <munder id="under0">
96 <mspace id="under0base" width="30px" height="5px" depth="5px" mathbackgr ound="black"/>
97 <mspace id="under0under" width="10px" height="5px" depth="5px" mathbackg round="black"/>
98 </munder>
99 <munder id="under1">
100 <mspace id="under1base" width="10px" height="5px" depth="5px" mathbackgr ound="black"/>
101 <mspace id="under1under" width="30px" height="5px" depth="5px" mathbackg round="black"/>
102 </munder>
103 <munder id="under2">
104 <mspace id="under2base" width="10px" height="15px" depth="15px" mathback ground="black"/>
105 <mspace id="under2under" width="10px" height="5px" depth="5px" mathbackg round="black"/>
106 </munder>
107 <munder id="under3">
108 <mspace id="under3base" width="10px" height="5px" depth="5px" mathbackgr ound="black"/>
109 <mspace id="under3under" width="10px" height="15px" depth="15px" mathbac kground="black"/>
110 </munder>
111 <mover id="over0">
112 <mspace id="over0base" width="30px" height="5px" depth="5px" mathbackgro und="black"/>
113 <mspace id="over0over" width="10px" height="5px" depth="5px" mathbackgro und="black"/>
114 </mover>
115 <mover id="over1">
116 <mspace id="over1base" width="10px" height="5px" depth="5px" mathbackgro und="black"/>
117 <mspace id="over1over" width="30px" height="5px" depth="5px" mathbackgro und="black"/>
118 </mover>
119 <mover id="over2">
120 <mspace id="over2base" width="10px" height="15px" depth="15px" mathbackg round="black"/>
121 <mspace id="over2over" width="10px" height="5px" depth="5px" mathbackgro und="black"/>
122 </mover>
123 <mover id="over3">
124 <mspace id="over3base" width="10px" height="5px" depth="5px" mathbackgro und="black"/>
125 <mspace id="over3over" width="10px" height="15px" depth="15px" mathbackg round="black"/>
126 </mover>
127 <munderover id="underover0">
128 <mspace id="underover0base" width="30px" height="5px" depth="5px" mathba ckground="black"/>
129 <mspace id="underover0under" width="10px" height="5px" depth="5px" mathb ackground="black"/>
130 <mspace id="underover0over" width="10px" height="5px" depth="5px" mathba ckground="black"/>
131 </munderover>
132 <munderover id="underover1">
133 <mspace id="underover1base" width="10px" height="5px" depth="5px" mathba ckground="black"/>
134 <mspace id="underover1under" width="30px" height="5px" depth="5px" mathb ackground="black"/>
135 <mspace id="underover1over" width="10px" height="5px" depth="5px" mathba ckground="black"/>
136 </munderover>
137 <munderover id="underover2">
138 <mspace id="underover2base" width="10px" height="5px" depth="5px" mathba ckground="black"/>
139 <mspace id="underover2under" width="10px" height="5px" depth="5px" mathb ackground="black"/>
140 <mspace id="underover2over" width="30px" height="5px" depth="5px" mathba ckground="black"/>
141 </munderover>
142 <munderover id="underover3">
143 <mspace id="underover3base" width="10px" height="15px" depth="15px" math background="black"/>
144 <mspace id="underover3under" width="10px" height="5px" depth="5px" mathb ackground="black"/>
145 <mspace id="underover3over" width="10px" height="5px" depth="5px" mathba ckground="black"/>
146 </munderover>
147 <munderover id="underover4">
148 <mspace id="underover4base" width="10px" height="5px" depth="5px" mathba ckground="black"/>
149 <mspace id="underover4under" width="10px" height="15px" depth="15px" mat hbackground="black"/>
150 <mspace id="underover4over" width="10px" height="5px" depth="5px" mathba ckground="black"/>
151 </munderover>
152 <munderover id="underover5">
153 <mspace id="underover5base" width="10px" height="5px" depth="5px" mathba ckground="black"/>
154 <mspace id="underover5under" width="10px" height="5px" depth="5px" mathb ackground="black"/>
155 <mspace id="underover5over" width="10px" height="15px" depth="15px" math background="black"/>
156 </munderover>
157 </math>
158 </p>
159 <hr/>
160 </body>
161 </html>
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