// META: script=/common/get-host-info.sub.js
// Test that the initial about:blank gets the about base URL
// from the entry global object.
async function withIframe(src, cb) {
const ifr = document.createElement("iframe");
ifr.src = src;
document.body.append(ifr);
cb(ifr);
ifr.remove();
}
async function withWindow(src, cb) {
const w = window.open(src);
cb(w);
w.close();
}
// Need a trailing '/' for equality checks
const REMOTE_ORIGIN = new URL("/", get_host_info().REMOTE_ORIGIN).href;
async function withWindowOpenerNotInitiator(src, cb) {
window.deferredIframeWindow = Promise.withResolvers();
// Create an iframe with a different base URL.
// If it opens a window with window.top being the opener,
// the base URL should come from the initiator, i.e. this iframe.
const ifr = document.createElement("iframe");
ifr.srcdoc = `