Revision control
Copy as Markdown
Other Tools
/* Any copyright is dedicated to the Public Domain.
"sessionstore/test/browser_637020_slow.sjs";
const TEST_STATE = {
windows: [{
tabs: [
{ entries: [{ url: "about:mozilla" }] },
{ entries: [{ url: "about:robots" }] }
]
}, {
tabs: [
{ entries: [{ url: TEST_URL }] },
{ entries: [{ url: TEST_URL }] }
]
}]
};
function test() {
TestRunner.run();
}
/**
* This test ensures that windows that have just been restored will be marked
* as dirty, otherwise _getCurrentState() might ignore them when collecting
* state for the first time and we'd just save them as empty objects.
*
* The dirty state acts as a cache to not collect data from all windows all the
* time, so at the beginning, each window must be dirty so that we collect
* their state at least once.
*/
async function runTests() {
let win;
// Wait until the new window has been opened.
Services.obs.addObserver(function onOpened(subject) {
Services.obs.removeObserver(onOpened, "domwindowopened");
win = subject;
executeSoon(next);
}, "domwindowopened");
// Set the new browser state that will
// restore a window with two slowly loading tabs.
await SessionStore.setBrowserState(JSON.stringify(TEST_STATE));
// The window has now been opened. Check the state that is returned,
// this should come from the cache while the window isn't restored, yet.
info("the window has been opened");
checkWindows();
// The history has now been restored and the tabs are loading. The data must
// now come from the window, if it's correctly been marked as dirty before.
await whenDelayedStartupFinished(win, next);
info("the delayed startup has finished");
checkWindows();
}
function checkWindows() {
let state = JSON.parse(SessionStore.getBrowserState());
is(state.windows[0].tabs.length, 2, "first window has two tabs");
is(state.windows[1].tabs.length, 2, "second window has two tabs");
}