-
Notifications
You must be signed in to change notification settings - Fork 54
/
test_value_cloning.html
181 lines (151 loc) · 5.49 KB
/
test_value_cloning.html
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
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=375363
-->
<head>
<title>Test for cloning of CSS property values (including 'inherit', 'initial' and 'unset')</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="property_database.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"><iframe id="iframe" src="about:blank"></iframe></p>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for cloning of CSS property values (including 'inherit', 'initial' and 'unset') **/
var test_queue = [];
var iframe = document.getElementById("iframe");
SimpleTest.waitForExplicitFinish();
for (var prop in gCSSProperties) {
let info = gCSSProperties[prop];
test_queue.push({ prop: prop, value: "inherit",
inherited_value: info.initial_values[0] });
test_queue.push({ prop: prop, value: "inherit",
inherited_value: info.other_values[0] });
test_queue.push({ prop: prop, value: "initial" });
if (info.inherited) {
test_queue.push({ prop: prop, value: "unset",
inherited_value: info.initial_values[0] });
test_queue.push({ prop: prop, value: "unset",
inherited_value: info.other_values[0] });
} else {
test_queue.push({ prop: prop, value: "unset" });
}
for (let idx in info.initial_values) {
test_queue.push({ prop: prop, value: info.initial_values[idx] });
}
for (let idx in info.other_values) {
test_queue.push({ prop: prop, value: info.other_values[idx] });
}
}
test_queue.reverse();
doTest();
function doTest()
{
var sheet_data = "";
for (let idx = 0; idx < test_queue.length; ++idx) {
var current_item = test_queue[idx];
let info = gCSSProperties[current_item.prop];
sheet_data += "#parent"+idx+", #test"+idx+" { ";
for (var prereq in info.prereqs) {
sheet_data += prereq + ": " + info.prereqs[prereq] + ";";
}
sheet_data += " }";
sheet_data += "#parent"+idx+" { ";
if ("inherited_value" in current_item) {
sheet_data += current_item.prop + ": " + current_item.inherited_value;
}
sheet_data += "}";
sheet_data += "#test"+idx+" { ";
sheet_data += current_item.prop + ": " + current_item.value;
sheet_data += "}";
}
var sheet_url = "data:text/css," + escape(sheet_data);
var doc_data =
"<!DOCTYPE HTML>\n" +
"<link rel='stylesheet' type='text/css' href='" + sheet_url + "'>\n" +
"<link rel='stylesheet' type='text/css' href='" + sheet_url + "'>\n" +
"<body>\n";
for (let idx = 0; idx < test_queue.length; ++idx) {
var current_item = test_queue[idx];
if ("inherited_value" in current_item) {
doc_data += "<span id='parent"+idx+"'>";
}
doc_data += "<span id='test"+idx+"'></span>";
if ("inherited_value" in current_item) {
doc_data += "</span>";
}
}
var doc_url = "data:text/html," + escape(doc_data);
iframe.onload = iframe_loaded;
iframe.src = doc_url;
}
function iframe_loaded(event)
{
if (event.target != iframe)
return;
var start_ser = [];
var start_compute = [];
var test_cs = [];
var wrappedFrame = SpecialPowers.wrap(iframe);
var ifdoc = wrappedFrame.contentDocument;
var ifwin = wrappedFrame.contentWindow;
for (let idx = 0; idx < test_queue.length; ++idx) {
var current_item = test_queue[idx];
var info = gCSSProperties[current_item.prop];
var test = ifdoc.getElementById("test" + idx);
var cur_cs = ifwin.getComputedStyle(test);
test_cs.push(cur_cs);
var cur_ser = ifdoc.styleSheets[0].cssRules[3*idx+2].style.getPropertyValue(current_item.prop);
if (cur_ser == "") {
isnot(cur_ser, "",
"serialization should be nonempty for " +
current_item.prop + ": " + current_item.value);
}
start_ser.push(cur_ser);
var cur_compute = get_computed_value(cur_cs, current_item.prop);
if (cur_compute == "") {
isnot(cur_compute, "",
"computed value should be nonempty for " +
current_item.prop + ": " + current_item.value);
}
start_compute.push(cur_compute);
}
// In case the above access didn't force a clone already (though it
// currently does), clone the second style sheet's inner and then
// remove the first.
ifdoc.styleSheets[1].insertRule("#nonexistent { color: red }", 0);
var firstlink = ifdoc.getElementsByTagName("link")[0];
firstlink.remove();
// Force a flush
ifdoc.body.style.display="none";
var ow = ifdoc.body.offsetWidth;
ifdoc.body.style.display="";
for (let idx = 0; idx < test_queue.length; ++idx) {
var current_item = test_queue[idx];
var info = gCSSProperties[current_item.prop];
var end_ser =
ifdoc.styleSheets[0].cssRules[3*idx+3].style.getPropertyValue(current_item.prop);
is(end_ser, start_ser[idx],
"serialization should match when cloning " +
current_item.prop + ": " + current_item.value);
var end_compute = get_computed_value(test_cs[idx], current_item.prop);
// Output computed values only when the test failed.
// Computed values may be very long.
if (end_compute == start_compute[idx]) {
ok(true,
"computed values should match when cloning " +
current_item.prop + ": " + current_item.value);
} else {
is(end_compute, start_compute[idx],
"computed values should match when cloning " +
current_item.prop + ": " + current_item.value);
}
}
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>