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"use strict";
const {utils: Cu} = Components;
Cu.import("resource://gre/modules/AppConstants.jsm");
Cu.import("resource://gre/modules/Services.jsm");
add_task(function*() {
let webNav = Services.appShell.createWindowlessBrowser(false);
let loadContext = webNav.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsILoadContext);
let docShell = webNav.getInterface(Ci.nsIDocShell);
equal(loadContext.usePrivateBrowsing, false, "Should start out in non-private mode");
loadContext.usePrivateBrowsing = true;
equal(loadContext.usePrivateBrowsing, true,
"Should be able to change to private mode prior to a document load");
loadContext.usePrivateBrowsing = false;
equal(loadContext.usePrivateBrowsing, false,
"Should be able to change to non-private mode prior to a document load");
let oa = docShell.getOriginAttributes();
oa.privateBrowsingId = 1;
docShell.setOriginAttributes(oa);
equal(loadContext.usePrivateBrowsing, true,
"Should be able to change origin attributes prior to a document load");
oa.privateBrowsingId = 0;
docShell.setOriginAttributes(oa);
equal(loadContext.usePrivateBrowsing, false,
"Should be able to change origin attributes prior to a document load");
webNav.loadURI("data:text/html,", webNav.LOAD_FLAGS_NONE, null, null, null);
// Return to the event loop so the load can begin.
yield new Promise(do_execute_soon);
// This causes a failed assertion rather than an exception on debug
// builds.
if (!AppConstants.DEBUG) {
Assert.throws(() => { loadContext.usePrivateBrowsing = true; },
/NS_ERROR_FAILURE/,
"Should not be able to change private browsing state after initial load has started");
oa.privateBrowsingId = 1;
Assert.throws(() => { docShell.setOriginAttributes(oa); },
/NS_ERROR_FAILURE/,
"Should not be able to change origin attributes after initial load has started");
equal(loadContext.usePrivateBrowsing, false,
"Should not be able to change private browsing state after initial load has started");
loadContext.usePrivateBrowsing = false;
ok(true, "Should be able to set usePrivateBrowsing to its current value even after initial load");
}
webNav.close();
});
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