blob: 64fe9bfd7f54ae96500ea43d897a976b8404636d (
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
|
/**
* Remove the `reftest-wait` class on the document element.
* The reftest runner will wait with taking a screenshot while
* this class is present.
*
* See https://web-platform-tests.org/writing-tests/reftests.html#controlling-when-comparison-occurs
*/
function takeScreenshot() {
document.documentElement.classList.remove("reftest-wait");
}
/**
* Call `takeScreenshot()` after a delay of at least |timeout| milliseconds.
* @param {number} timeout - milliseconds
*/
function takeScreenshotDelayed(timeout) {
setTimeout(function() {
takeScreenshot();
}, timeout);
}
/**
* Ensure that a precondition is met before waiting for a screenshot.
* @param {bool} condition - Fail the test if this evaluates to false
* @param {string} msg - Error message to write to the screenshot
*/
function failIfNot(condition, msg) {
const fail = () => {
(document.body || document.documentElement).textContent = `Precondition Failed: ${msg}`;
takeScreenshot();
};
if (!condition) {
if (document.readyState == "interactive") {
fail();
} else {
document.addEventListener("DOMContentLoaded", fail, false);
}
}
}
|
