blob: 76dfc2af9c273765032f59a8d1925bf4e52e107f (
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
|
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="../resources/runner.js"></script>
</head>
<body>
<div id="wrapper">
<div id="host"></div>
</div>
<script>
var numDivsInHost = 100;
var typeNames = ['A', 'B', 'C'];
var array = new Array(numDivsInHost);
function setup()
{
var nDivs = numDivsInHost;
window.shadowRoot = host.createShadowRoot();
shadowRoot.innerHTML = '<h2>Selected</h2><div id="selected"><content select=".selected"></content></div><h2>NonSelected</h2><div id="nonselected"><content></content></div>';
for (var i = 0; i < nDivs; ++i) {
var div = document.createElement('div');
div.appendChild(document.createTextNode('div' + i));
div.className = typeNames[i % typeNames.length];
host.appendChild(div);
array[i] = div;
}
}
function run()
{
var nDivs = numDivsInHost;
var array = window.array;
var selected = shadowRoot.getElementById('selected');
var nonSelected = shadowRoot.getElementById('nonselected');
var contentSelected = selected.querySelector('content');
for (var i = 0; i < 100; ++i) {
for (var j = 0; j < typeNames.length; ++j) {
contentSelected.select = '.' + typeNames[j];
PerfTestRunner.forceLayoutOrFullFrame();
}
}
}
function done()
{
wrapper.innerHTML = '';
}
setup();
PerfTestRunner.measureTime({
description: "Measure distribution and layout performance when select attribute is changed",
run: run,
done: done
});
</script>
</body>
</html>
|
