layout/mathml/tests/test_bug975681.html@7e26c7da4463
layout/mathml/tests/test_bug975681.html
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=975681
5 -->
6 <head>
7 <meta charset="utf-8">
8 <title> Test for Bug 975681 </title>
9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"> </script>
10 <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"> </script>
11 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
12 </head>
13 <body>
14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=975681"> Mozilla Bug 975681 </a>
15 <p id="display"></p>
17 <p>
18 <math>
19 <mfrac id="test_mfrac">
20 <mspace width="100px" height="20px" mathbackground="red"></mspace>
21 <mspace width="100px" height="20px" mathbackground="red"></mspace>
22 </mfrac>
23 </math>
24 </p>
26 <p>
27 <math>
28 <mfrac linethickness="30px" id="mfrac_linethickness">
29 <mspace width="100px" height="20px" mathbackground="red"></mspace>
30 <mspace width="100px" height="20px" mathbackground="red"></mspace>
31 </mfrac>
32 </math>
33 </p>
35 <p>
36 <math>
37 <mfrac numalign="left" id="mfrac_numalign">
38 <mspace width="50px" height="20px" mathbackground="red"></mspace>
39 <mspace width="100px" height="20px" mathbackground="red"></mspace>
40 </mfrac>
41 </math>
42 </p>
44 <p>
45 <math>
46 <mfrac denomalign="right" id="mfrac_denomalign">
47 <mspace width="100px" height="20px" mathbackground="red"></mspace>
48 <mspace width="50px" height="20px" mathbackground="red"></mspace>
49 </mfrac>
50 </math>
51 </p>
53 <p>
54 <math>
55 <mfrac bevelled="true" id="mfrac_bevelled">
56 <mspace width="100px" height="20px" mathbackground="red"></mspace>
57 <mspace width="100px" height="20px" mathbackground="red"></mspace>
58 </mfrac>
59 </math>
60 </p>
62 <pre id="test">
63 <script type="application/javascript">
65 /** Test for Bug 975681 **/
66 SimpleTest.waitForExplicitFinish();
68 var epsilon = 1; // allow a small relative error
69 var delta = .25; // used to indicate a small shift
71 function almostEqualAbs(x, y) {
72 var e = Math.abs(x - y);
73 return (e <= epsilon);
74 }
76 function almostLessThanAbs(x, y) {
77 var e = x - y;
78 return (e <= epsilon);
79 }
81 // test: mfrac
82 var mfracNum = document.getElementById("test_mfrac").firstElementChild.getBoundingClientRect();
83 var mfracDenom = document.getElementById("test_mfrac").lastElementChild.getBoundingClientRect();
85 ok(almostEqualAbs(mfracNum.left, mfracDenom.left) &&
86 almostEqualAbs(mfracNum.right, mfracDenom.right), "Numerator and denominator should be vertical aligned");
88 ok(almostLessThanAbs(mfracNum.bottom, mfracDenom.top), "Numerator should be above denominator");
90 // test: mfrac attributes
91 var mfrac = document.getElementById("mfrac_linethickness").getBoundingClientRect();
92 var num = document.getElementById("mfrac_linethickness").firstElementChild.getBoundingClientRect();
93 var denom = document.getElementById("mfrac_linethickness").lastElementChild.getBoundingClientRect();
95 ok(almostLessThanAbs(num.height + 30 + denom.height, mfrac.height) &&
96 almostLessThanAbs(num.bottom + 30, denom.top), "numerator and denominator should be separated by linethickness");
98 num = document.getElementById("mfrac_numalign").firstElementChild.getBoundingClientRect();
99 mfrac = document.getElementById("mfrac_numalign").getBoundingClientRect();
101 ok(almostEqualAbs(num.left, mfrac.left), "numerator should be aligned left");
103 mfrac = document.getElementById("mfrac_denomalign").getBoundingClientRect();
104 denom = document.getElementById("mfrac_denomalign").lastElementChild.getBoundingClientRect();
106 ok(almostEqualAbs(mfrac.right, denom.right), "denominator should be aligned right");
108 num = document.getElementById("mfrac_bevelled").firstElementChild.getBoundingClientRect();
109 denom = document.getElementById("mfrac_bevelled").lastElementChild.getBoundingClientRect();
111 ok(almostLessThanAbs(num.right, denom.left) &&
112 almostLessThanAbs(num.top*(1-delta)+num.bottom*delta, denom.top), "incorrect position of mfrac children");
114 SimpleTest.finish();
116 </script>
117 </body>
118 </html>
