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const SAVE_PER_SITE_PREF = "browser.download.lastDir.savePerSite";
function test_deleted_iframe(perSitePref, windowOptions={}) {
return function*() {
Services.prefs.setBoolPref(SAVE_PER_SITE_PREF, perSitePref);
let {DownloadLastDir} = Cu.import("resource://gre/modules/DownloadLastDir.jsm", {});
let win = yield promiseOpenAndLoadWindow(windowOptions);
let tab = win.gBrowser.addTab();
yield promiseTabLoadEvent(tab, "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, reject) => {
Services.obs.addObserver(function obs(subject, topic) {
if (subject == cw) {
Services.obs.removeObserver(obs, topic);
resolve();
}
}, "dom-window-destroyed", false);
});
iframe.remove();
yield promiseIframeWindowGone;
cw = null;
ok(!iframe.contentWindow, "Managed to destroy iframe");
let someDir = "blah";
try {
someDir = yield new Promise((resolve, reject) => {
gDownloadLastDir.getFileAsync("http://www.mozilla.org/", function(dir) {
resolve(dir);
});
});
} catch (ex) {
ok(false, "Got an exception trying to get the directory where things should be saved.");
Cu.reportError(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 {
gDownloadLastDir.setFile("http://www.mozilla.org/", null);
} catch (ex) {
ok(false, "Got an exception trying to set the directory where things should be saved.");
Cu.reportError(ex);
}
yield promiseWindowClosed(win);
Services.prefs.clearUserPref(SAVE_PER_SITE_PREF);
};
}
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}));
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