Source code
Revision control
Copy as Markdown
Other Tools
"use strict";
const InspectorUtils = SpecialPowers.InspectorUtils;
var tests = [];
function waitForCondition(condition, nextTest, errorMsg) {
var tries = 0;
var interval = setInterval(function () {
if (tries >= 30) {
ok(false, errorMsg);
moveOn();
}
var conditionPassed;
try {
conditionPassed = condition();
} catch (e) {
ok(false, e + "\n" + e.stack);
conditionPassed = false;
}
if (conditionPassed) {
moveOn();
}
tries++;
}, 100);
var moveOn = function () {
clearInterval(interval);
nextTest();
};
}
function getElementWithinVideo(video, aValue) {
const shadowRoot = SpecialPowers.wrap(video).openOrClosedShadowRoot;
return shadowRoot.getElementById(aValue);
}
/**
* Runs querySelectorAll on an element's shadow root.
* @param {Element} element
* @param {string} selector
*/
function shadowRootQuerySelectorAll(element, selector) {
const shadowRoot = SpecialPowers.wrap(element).openOrClosedShadowRoot;
return shadowRoot?.querySelectorAll(selector);
}
function executeTests() {
return tests
.map(fn => () => new Promise(fn))
.reduce((promise, task) => promise.then(task), Promise.resolve());
}
function once(target, name, cb) {
let p = new Promise(function (resolve) {
target.addEventListener(
name,
function () {
resolve();
},
{ once: true }
);
});
if (cb) {
p.then(cb);
}
return p;
}