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
|
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>window.performance User Timing measure() method is throwing the proper exceptions</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="help" href="https://w3c.github.io/user-timing/#dom-performance-measure"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/webperftestharness.js"></script>
<script>
// test data
var zeroedNavTimingAtt = undefined;
setup(function () {
// for testing the INVALID_ACCESS_ERR exception, find a navigation timing attribute with a value of zero
for (var i in timingAttributes) {
if (window.performance.timing[timingAttributes[i]] == 0) {
zeroedNavTimingAtt = timingAttributes[i];
}
}
if (zeroedNavTimingAtt == undefined) {
throw new Error("A navigation timing attribute with a value of 0 was not found to test for the " +
"INVALID_ACCESS_ERR exception thrown by window.performance.measure().")
}
});
test(function () {
assert_throws("InvalidAccessError", function () {
window.performance.measure("measure", zeroedNavTimingAtt);
});
}, "window.performance.measure(\"measure\", \"" + zeroedNavTimingAtt + "\"), where \"" +
zeroedNavTimingAtt + "\" is a navigation timing attribute with a value of 0, throws a " +
"InvalidAccessError exception.");
test(function () {
assert_throws("InvalidAccessError", function () {
window.performance.measure("measure", zeroedNavTimingAtt, "responseEnd");
});
}, "window.performance.measure(\"measure\", \"" + zeroedNavTimingAtt + "\", " +
"\"responseEnd\"), where \"" + zeroedNavTimingAtt + "\" is a navigation timing " +
"attribute with a value of 0, throws a InvalidAccessError exception.");
test(function () {
assert_throws("InvalidAccessError", function () {
window.performance.measure("measure", "navigationStart", zeroedNavTimingAtt);
});
}, "window.performance.measure(\"measure\", \"navigationStart\", \"" + zeroedNavTimingAtt +
"\"), where \"" + zeroedNavTimingAtt + "\" is a navigation timing attribute with a " +
"value of 0, throws a InvalidAccessError exception.");
test(function () {
assert_throws("InvalidAccessError", function () {
window.performance.measure("measure", zeroedNavTimingAtt, zeroedNavTimingAtt);
});
}, "window.performance.measure(\"measure\", \"" + zeroedNavTimingAtt + "\", \"" +
zeroedNavTimingAtt + "\"), where \"" + zeroedNavTimingAtt + "\" is a navigation timing " +
"attribute with a value of 0, throws a InvalidAccessError exception.");
</script>
</head>
<body>
<h1>Description</h1>
<p><code>window.performance.measure()</code> method throws a InvalidAccessError
whenever a navigation timing attribute with a value of zero is provided as the startMark or endMark.
</p>
<div id="log"></div>
</body>
</html>
|
