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/* 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
/* global getJSTestingFunctions */
const emptyPage =
getRootDirectory(gTestPath).replace(
) + "empty.html";
/**
* that the override is applied correctly.
*/
let realOffset = Number.MAX_SAFE_INTEGER;
add_setup(async () => {
await SpecialPowers.Cu.getJSTestingFunctions().setTimeZone("PST8PDT");
realOffset = new Date().getTimezoneOffset();
});
const runTest = async enabled => {
const overrides = enabled ? "+JSDateTimeUTC" : "-JSDateTimeUTC";
await SpecialPowers.pushPrefEnv({
set: [
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", overrides],
["privacy.resistFingerprinting", false],
],
});
const tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, emptyPage);
const timeZoneOffset = await runFunctionInWorker(
tab.linkedBrowser,
async () => {
await getJSTestingFunctions().setTimeZone("PST8PDT");
const date = new Date();
const offset = date.getTimezoneOffset();
await getJSTestingFunctions().setTimeZone(undefined);
return offset;
}
);
info("Actual: " + new Date().getTimezoneOffset() + " Got: " + timeZoneOffset);
const expected = enabled ? 0 : realOffset;
is(
timeZoneOffset,
expected,
`Timezone offset should be ${expected} in the service worker`
);
BrowserTestUtils.removeTab(tab);
await SpecialPowers.popPrefEnv();
};
add_task(async function check_overrides_enabled() {
await runTest(true);
});
add_task(async function check_overrides_disabled() {
await runTest(false);
});