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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
function test() {
// test setup
waitForExplicitFinish();
function browserWindowsCount(expected) {
let count = 0;
for (let win of Services.wm.getEnumerator("navigator:browser")) {
if (!win.closed) {
++count;
}
}
is(
count,
expected,
"number of open browser windows according to nsIWindowMediator"
);
let state = ss.getBrowserState();
info(state);
is(
JSON.parse(state).windows.length,
expected,
"number of open browser windows according to getBrowserState"
);
}
browserWindowsCount(1);
// backup old state
let oldState = ss.getBrowserState();
// create a new state for testing
let testState = {
windows: [
{ tabs: [{ entries: [{ url: "about:mozilla" }] }], selected: 1 },
],
// make sure the first window is focused, otherwise when restoring the
// old state, the first window is closed and the test harness gets unloaded
selectedWindow: 1,
};
let pass = 1;
function observer(aSubject, aTopic) {
is(
aTopic,
"sessionstore-browser-state-restored",
"The sessionstore-browser-state-restored notification was observed"
);
if (pass++ == 1) {
browserWindowsCount(2);
// let the first window be focused (see above)
function pollMostRecentWindow() {
if (Services.wm.getMostRecentWindow("navigator:browser") == window) {
ss.setBrowserState(oldState);
} else {
info("waiting for the current window to become active");
setTimeout(pollMostRecentWindow, 0);
window.focus(); // XXX Why is this needed?
}
}
pollMostRecentWindow();
} else {
browserWindowsCount(1);
ok(
!window.closed,
"Restoring the old state should have left this window open"
);
Services.obs.removeObserver(
observer,
"sessionstore-browser-state-restored"
);
finish();
}
}
Services.obs.addObserver(observer, "sessionstore-browser-state-restored");
// set browser to test state
ss.setBrowserState(JSON.stringify(testState));
}