"use strict";
// Test that an extension page which is sandboxed may load resources
// from itself without relying on web acessible resources.
add_task(async function test_webext_background_sandbox_privileges() {
function backgroundSubframeScript() {
window.parent.postMessage(typeof browser, "*");
}
function backgroundScript() {
/* eslint-disable-next-line mozilla/balanced-listeners */
window.addEventListener("message", event => {
if (event.data == "undefined") {
browser.test.notifyPass("webext-background-sandbox-privileges");
} else {
browser.test.notifyFail("webext-background-sandbox-privileges");
}
});
}
let extensionData = {
manifest: {
background: {
page: "background.html",
},
},
files: {
"background.html": `