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Test Info:
const SAVE_PER_SITE_PREF = "browser.download.lastDir.savePerSite";
function test_deleted_iframe(perSitePref, windowOptions = {}) {
return async function () {
await SpecialPowers.pushPrefEnv({
set: [[SAVE_PER_SITE_PREF, perSitePref]],
});
let { DownloadLastDir } = ChromeUtils.importESModule(
);
let win = await BrowserTestUtils.openNewBrowserWindow(windowOptions);
let tab = await BrowserTestUtils.openNewForegroundTab(
win.gBrowser,
"about:mozilla"
);
let doc = tab.linkedBrowser.contentDocument;
let iframe = doc.createElement("iframe");
doc.body.appendChild(iframe);
ok(iframe.contentWindow, "iframe should have a window");
let gDownloadLastDir = new DownloadLastDir(iframe.contentWindow);
let cw = iframe.contentWindow;
let promiseIframeWindowGone = new Promise(resolve => {
Services.obs.addObserver(function obs(subject, topic) {
if (subject == cw) {
Services.obs.removeObserver(obs, topic);
resolve();
}
}, "dom-window-destroyed");
});
iframe.remove();
await promiseIframeWindowGone;
cw = null;
ok(!iframe.contentWindow, "Managed to destroy iframe");
let someDir = "blah";
try {
} catch (ex) {
ok(
false,
"Got an exception trying to get the directory where things should be saved."
);
console.error(ex);
}
// NB: someDir can legitimately be null here when set, hence the 'blah' workaround:
isnot(
someDir,
"blah",
"Should get a file even after the window was destroyed."
);
try {
} catch (ex) {
ok(
false,
"Got an exception trying to set the directory where things should be saved."
);
console.error(ex);
}
await BrowserTestUtils.closeWindow(win);
};
}
add_task(test_deleted_iframe(false));
add_task(test_deleted_iframe(false));
add_task(test_deleted_iframe(true, { private: true }));
add_task(test_deleted_iframe(true, { private: true }));