fune/dom/tests/browser/browser_bug1004814.js

43 lines
1.3 KiB
JavaScript

/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
add_task(async function() {
const TEST_URI =
"http://example.com/browser/dom/tests/browser/test_bug1004814.html";
await BrowserTestUtils.withNewTab(TEST_URI, async aBrowser => {
let duration = await SpecialPowers.spawn(aBrowser, [], function(opts) {
return new Promise(resolve => {
let ConsoleObserver = {
QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
observe(aSubject, aTopic, aData) {
var obj = aSubject.wrappedJSObject;
if (
obj.arguments.length != 1 ||
obj.arguments[0] != "bug1004814" ||
obj.level != "timeEnd"
) {
return;
}
Services.obs.removeObserver(this, "console-api-log-event");
resolve(obj.timer.duration);
},
};
Services.obs.addObserver(ConsoleObserver, "console-api-log-event");
var w = new content.Worker("worker_bug1004814.js");
w.postMessage(true);
});
});
ok(
duration > 0,
"ConsoleEvent.timer.duration > 0: " + duration + " ~ 200ms"
);
});
});