1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Underscripts and Overscripts parameters (embellished operators)</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
<meta name="assert" content="Elements munder, mover, munderover (with an embelished operator base) correctly use the limit parameters from the MATH table.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/fonts.js"></script>
<style>
math, mspace, mo {
font-size: 10px;
}
@font-face {
font-family: lowerlimitbaselinedropmin3000;
src: url("/fonts/math/limits-lowerlimitbaselinedropmin3000.woff");
}
@font-face {
font-family: lowerlimitgapmin11000;
src: url("/fonts/math/limits-lowerlimitgapmin11000.woff");
}
@font-face {
font-family: upperlimitbaselinerisemin5000;
src: url("/fonts/math/limits-upperlimitbaselinerisemin5000.woff");
}
@font-face {
font-family: upperlimitgapmin7000;
src: url("/fonts/math/limits-upperlimitgapmin7000.woff");
}
</style>
<script>
var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000
var epsilon = 1;
function getBox(aId) {
return document.getElementById(aId).getBoundingClientRect();
}
setup({ explicit_done: true });
window.addEventListener("load", () => { loadAllFonts().then(runTests); });
function runTests() {
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
var v = 3000 * emToPx;
assert_approx_equals(getBox("under00011").top - getBox("ref0001").bottom,
v, epsilon, "munder: under shift");
assert_approx_equals(getBox("under00012").top - getBox("ref0001").bottom,
v, epsilon, "munderover: under shift");
}, "LowerLimitBaselineDropMin");
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
var v = 11000 * emToPx;
assert_approx_equals(getBox("under00021").top - getBox("ref0002").bottom,
v, epsilon, "munder: under gap");
assert_approx_equals(getBox("under00022").top - getBox("ref0002").bottom,
v, epsilon, "munderover: under gap");
}, "LowerLimitGapMin");
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
var v = 5000 * emToPx;
assert_approx_equals(getBox("ref0003").top - getBox("over00031").bottom,
v, epsilon, "mover: over shift");
assert_approx_equals(getBox("ref0003").top - getBox("over00032").bottom,
v, epsilon, "munderover: over shift");
}, "UpperLimitBaselineRiseMin");
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
var v = 7000 * emToPx;
assert_approx_equals(getBox("ref0004").top - getBox("over00041").bottom,
v, epsilon, "mover: over shift");
assert_approx_equals(getBox("ref0004").top - getBox("over00042").bottom,
v, epsilon, "munderover: over shift");
}, "UpperLimitGapMin");
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math style="font-family: lowerlimitbaselinedropmin3000;">
<mspace id="ref0001" height="1em" width="3em" style="background: green"/>
<munder>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace id="under00011" depth="1em" width="3em" style="background: blue"/>
</munder>
<munderover>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace id="under00012" depth="1em" width="3em" style="background: blue"/>
<mspace height="1em" width="3em" style="background: black"/>
</munderover>
</math>
</p>
<hr/>
<p>
<math style="font-family: lowerlimitgapmin11000;">
<mspace id="ref0002" height="1em" width="3em" style="background: green"/>
<munder>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace id="under00021" depth="1em" width="3em" style="background: blue"/>
</munder>
<munderover>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace id="under00022" depth="1em" width="3em" style="background: blue"/>
<mspace height="1em" width="3em" style="background: black"/>
</munderover>
</math>
</p>
<hr/>
<p>
<math style="font-family: upperlimitbaselinerisemin5000;">
<mspace id="ref0003" height="1em" width="3em" style="background: green"/>
<mover>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace id="over00031" height="1em" width="3em" style="background: blue"/>
</mover>
<munderover>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace height="1em" width="3em" style="background: black"/>
<mspace id="over00032" height="1em" width="3em" style="background: blue"/>
</munderover>
</math>
</p>
<hr/>
<p>
<math style="font-family: upperlimitgapmin7000;">
<mspace id="ref0004" height="1em" width="3em" style="background: green"/>
<mover>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace id="over00041" depth="1em" width="3em" style="background: blue"/>
</mover>
<munderover>
<mrow><mrow><mo movablelimits="false">∑</mo></mrow></mrow>
<mspace height="1em" width="3em" style="background: black"/>
<mspace id="over00042" depth="1em" width="3em" style="background: blue"/>
</munderover>
</math>
</p>
</body>
</html>
|
