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Test Info:
"use strict";
/**
* Given some window in the parent process, ensure that
* the nsIAppWindow has the CHROME_PRIVATE_WINDOW chromeFlag,
* and that the usePrivateBrowsing property is set to true on
* both the window's nsILoadContext, as well as on the initial
* browser's content docShell nsILoadContext.
*
* @param win (nsIDOMWindow)
* An nsIDOMWindow in the parent process.
* @return Promise
*/
function assertWindowIsPrivate(win) {
let winDocShell = win.docShell;
let chromeFlags = winDocShell.treeOwner
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIAppWindow).chromeFlags;
if (!win.gBrowser.selectedBrowser.hasContentOpener) {
Assert.ok(
chromeFlags & Ci.nsIWebBrowserChrome.CHROME_PRIVATE_WINDOW,
"Should have the private window chrome flag"
);
}
let loadContext = winDocShell.QueryInterface(Ci.nsILoadContext);
Assert.ok(
loadContext.usePrivateBrowsing,
"The parent window should be using private browsing"
);
return SpecialPowers.spawn(
win.gBrowser.selectedBrowser,
[],
async function () {
let contentLoadContext = docShell.QueryInterface(Ci.nsILoadContext);
Assert.ok(
contentLoadContext.usePrivateBrowsing,
"Content docShell should be using private browsing"
);
}
);
}
/**
* Tests that chromeFlags bits and the nsILoadContext.usePrivateBrowsing
* attribute are properly set when opening a new private browsing
* window.
*/
add_task(async function test_context_and_chromeFlags() {
let win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
await assertWindowIsPrivate(win);
let browser = win.gBrowser.selectedBrowser;
let newWinPromise = BrowserTestUtils.waitForNewWindow({
});
await SpecialPowers.spawn(browser, [], async function () {
});
let win2 = await newWinPromise;
await assertWindowIsPrivate(win2);
await BrowserTestUtils.closeWindow(win2);
await BrowserTestUtils.closeWindow(win);
});