michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: const TEST_URL = "http://mochi.test:8888/browser/browser/components/" +
michael@0:                  "sessionstore/test/browser_637020_slow.sjs";
michael@0: 
michael@0: const TEST_STATE = {
michael@0:   windows: [{
michael@0:     tabs: [
michael@0:       { entries: [{ url: "about:mozilla" }] },
michael@0:       { entries: [{ url: "about:robots" }] }
michael@0:     ]
michael@0:   }, {
michael@0:     tabs: [
michael@0:       { entries: [{ url: TEST_URL }] },
michael@0:       { entries: [{ url: TEST_URL }] }
michael@0:     ]
michael@0:   }]
michael@0: };
michael@0: 
michael@0: function test() {
michael@0:   TestRunner.run();
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * This test ensures that windows that have just been restored will be marked
michael@0:  * as dirty, otherwise _getCurrentState() might ignore them when collecting
michael@0:  * state for the first time and we'd just save them as empty objects.
michael@0:  *
michael@0:  * The dirty state acts as a cache to not collect data from all windows all the
michael@0:  * time, so at the beginning, each window must be dirty so that we collect
michael@0:  * their state at least once.
michael@0:  */
michael@0: 
michael@0: function runTests() {
michael@0:   let win;
michael@0: 
michael@0:   // Wait until the new window has been opened.
michael@0:   Services.obs.addObserver(function onOpened(subject) {
michael@0:     Services.obs.removeObserver(onOpened, "domwindowopened");
michael@0:     win = subject;
michael@0:     executeSoon(next);
michael@0:   }, "domwindowopened", false);
michael@0: 
michael@0:   // Set the new browser state that will
michael@0:   // restore a window with two slowly loading tabs.
michael@0:   yield SessionStore.setBrowserState(JSON.stringify(TEST_STATE));
michael@0: 
michael@0:   // The window has now been opened. Check the state that is returned,
michael@0:   // this should come from the cache while the window isn't restored, yet.
michael@0:   info("the window has been opened");
michael@0:   checkWindows();
michael@0: 
michael@0:   // The history has now been restored and the tabs are loading. The data must
michael@0:   // now come from the window, if it's correctly been marked as dirty before.
michael@0:   yield whenDelayedStartupFinished(win, next);
michael@0:   info("the delayed startup has finished");
michael@0:   checkWindows();
michael@0: }
michael@0: 
michael@0: function checkWindows() {
michael@0:   let state = JSON.parse(SessionStore.getBrowserState());
michael@0:   is(state.windows[0].tabs.length, 2, "first window has two tabs");
michael@0:   is(state.windows[1].tabs.length, 2, "second window has two tabs");
michael@0: }