summaryrefslogtreecommitdiffstats
path: root/layout/style/test/test_bug652486.html
blob: cdee3f33a7c902b6e63476efd376adeb7b250607 (plain)
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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=652486
https://bugzilla.mozilla.org/show_bug.cgi?id=1039488
-->
<head>
  <title>Test for Bug 652486, Bug 1039488 and Bug 1574222</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=652486">Mozilla Bug 652486</a>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1039488">Mozilla Bug 1039488</a>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1574222">Mozilla Bug 1574222</a>

<p id="display"></p>
<div id="content" style="display: none">
  <div id="t"></div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 652486, Bug 1039488 and Bug 1574222 **/

function c() {
  return document.defaultView.getComputedStyle($('t')).
           getPropertyValue("text-decoration");
}

// The default value of the 'color' property, which in turn establishes the
// default value of 'text-decoration-color' (via the 'currentColor' keyword).
var defaultLineColor = "rgb(0, 0, 0)";

var tests = [
  // When only text-decoration was specified, text-decoration should look like
  // a longhand property. However, as of Bug 1574222, the getComputedStyle()
  // serialization for "text-decoration" will always include the color,
  // because we can't tell whether the resolved color value came from the
  // initial "currentColor" value (and could safely be omitted) vs. whether it
  // came from a custom specified value (and cannot be omitted).
  { decoration: "none",
    line: null, color: null, style: null,
    expectedValue: defaultLineColor },
  { decoration: "underline",
    line: null, color: null, style: null,
    expectedValue: "underline " + defaultLineColor },
  { decoration: "overline",
    line: null, color: null, style: null,
    expectedValue: "overline " + defaultLineColor },
  { decoration: "line-through",
    line: null, color: null, style: null,
    expectedValue: "line-through " + defaultLineColor },
  { decoration: "blink",
    line: null, color: null, style: null,
    expectedValue: "blink " + defaultLineColor },
  { decoration: "underline overline",
    line: null, color: null, style: null,
    expectedValue: "underline overline " + defaultLineColor },
  { decoration: "underline line-through",
    line: null, color: null, style: null,
    expectedValue: "underline line-through " + defaultLineColor },
  { decoration: "blink underline",
    line: null, color: null, style: null,
    expectedValue: "underline blink " + defaultLineColor },
  { decoration: "underline blink",
    line: null, color: null, style: null,
    expectedValue: "underline blink " + defaultLineColor },

  // When only text-decoration-line or text-blink was specified,
  // text-decoration should look like a longhand property.
  // However, as of Bug 1574222, the getComputedStyle() serialization for
  // "text-decoration" will always include the color, because we can't tell
  // whether the resolved color value came from the initial "currentColor"
  // value (and could safely be omitted) vs. whether it came from a custom
  // specified value (and cannot be omitted).
  { decoration: null,
    line: "blink", color: null, style: null,
    expectedValue: "blink " + defaultLineColor },
  { decoration: null,
    line: "underline", color: null, style: null,
    expectedValue: "underline " + defaultLineColor },
  { decoration: null,
    line: "overline", color: null, style: null,
    expectedValue: "overline " + defaultLineColor },
  { decoration: null,
    line: "line-through", color: null, style: null,
    expectedValue: "line-through " + defaultLineColor },
  { decoration: null,
    line: "blink underline", color: null, style: null,
    expectedValue: "underline blink " + defaultLineColor },

  // When text-decoration-color isn't its initial value,
  // text-decoration should be a shorthand property.
  { decoration: "blink",
    line: null, color: "rgb(0, 0, 0)", style: null,
    expectedValue: "blink rgb(0, 0, 0)" },
  { decoration: "underline",
    line: null, color: "black", style: null,
    expectedValue: "underline rgb(0, 0, 0)" },
  { decoration: "overline",
    line: null, color: "#ff0000", style: null,
    expectedValue: "overline rgb(255, 0, 0)" },
  { decoration: "line-through",
    line: null, color: "initial", style: null,
    expectedValue: "line-through " + defaultLineColor },
  { decoration: "blink underline",
    line: null, color: "currentColor", style: null,
    expectedValue: "underline blink " + defaultLineColor },
  { decoration: "underline line-through",
    line: null, color: "currentcolor", style: null,
    expectedValue: "underline line-through " + defaultLineColor },

  // When text-decoration-style isn't its initial value,
  // text-decoration should be a shorthand property.
  { decoration: "blink",
    line: null, color: null, style: "-moz-none",
    expectedValue: "blink -moz-none " + defaultLineColor },
  { decoration: "underline",
    line: null, color: null, style: "dotted",
    expectedValue: "underline dotted " + defaultLineColor },
  { decoration: "overline",
    line: null, color: null, style: "dashed",
    expectedValue: "overline dashed " + defaultLineColor },
  { decoration: "line-through",
    line: null, color: null, style: "double",
    expectedValue: "line-through double " + defaultLineColor },
  { decoration: "blink underline",
    line: null, color: null, style: "wavy",
    expectedValue: "underline blink wavy " + defaultLineColor },
  { decoration: "underline blink overline line-through",
    line: null, color: null, style: "solid",
    expectedValue: "underline overline line-through blink " + defaultLineColor },
  { decoration: "line-through overline underline",
    line: null, color: null, style: "initial",
    expectedValue: "underline overline line-through " + defaultLineColor }
];

function makeDeclaration(aTest)
{
  var str = "";
  if (aTest.decoration) {
    str += "text-decoration: " + aTest.decoration + "; ";
  }
  if (aTest.color) {
    str += "text-decoration-color: " + aTest.color + "; ";
  }
  if (aTest.line) {
    str += "text-decoration-line: " + aTest.line + "; ";
  }
  if (aTest.style) {
    str += "text-decoration-style: " + aTest.style + "; ";
  }
  return str;
}

function clearStyleObject()
{
  $('t').style.textDecoration = null;
}

for (var i = 0; i < tests.length; ++i) {
  var test = tests[i];
  if (test.decoration) {
    $('t').style.textDecoration = test.decoration;
  }
  if (test.color) {
    $('t').style.textDecorationColor = test.color;
  }
  if (test.line) {
    $('t').style.textDecorationLine = test.line;
  }
  if (test.style) {
    $('t').style.textDecorationStyle = test.style;
  }

  var dec = makeDeclaration(test);
  is(c(), test.expectedValue, "Test1 (computed value): " + dec);

  clearStyleObject();

  $('t').setAttribute("style", dec);

  is(c(), test.expectedValue, "Test2 (computed value): " + dec);

  $('t').removeAttribute("style");
}

</script>
</pre>
</body>
</html>