browser_586147.js (1872B)
1 /* This Source Code Form is subject to the terms of the Mozilla Public 2 * License, v. 2.0. If a copy of the MPL was not distributed with this 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 4 5 function observeOneRestore(callback) { 6 let topic = "sessionstore-browser-state-restored"; 7 Services.obs.addObserver(function onRestore() { 8 Services.obs.removeObserver(onRestore, topic); 9 callback(); 10 }, topic); 11 } 12 13 function test() { 14 waitForExplicitFinish(); 15 16 // There should be one tab when we start the test 17 let [origTab] = gBrowser.visibleTabs; 18 let hiddenTab = BrowserTestUtils.addTab(gBrowser); 19 20 is(gBrowser.visibleTabs.length, 2, "should have 2 tabs before hiding"); 21 BrowserTestUtils.showOnlyTheseTabs(gBrowser, [origTab]); 22 is(gBrowser.visibleTabs.length, 1, "only 1 after hiding"); 23 ok(hiddenTab.hidden, "sanity check that it's hidden"); 24 25 BrowserTestUtils.addTab(gBrowser); 26 let state = ss.getBrowserState(); 27 let stateObj = JSON.parse(state); 28 let tabs = stateObj.windows[0].tabs; 29 is(tabs.length, 3, "just checking that browser state is correct"); 30 ok(!tabs[0].hidden, "first tab is visible"); 31 ok(tabs[1].hidden, "second is hidden"); 32 ok(!tabs[2].hidden, "third is visible"); 33 34 // Make the third tab hidden and then restore the modified state object 35 tabs[2].hidden = true; 36 37 observeOneRestore(function () { 38 is(gBrowser.visibleTabs.length, 1, "only restored 1 visible tab"); 39 let restoredTabs = gBrowser.tabs; 40 41 ok(!restoredTabs[0].hidden, "first is still visible"); 42 ok(restoredTabs[1].hidden, "second tab is still hidden"); 43 ok(restoredTabs[2].hidden, "third tab is now hidden"); 44 45 // Restore the original state and clean up now that we're done 46 gBrowser.removeTab(gBrowser.tabs[1]); 47 gBrowser.removeTab(gBrowser.tabs[1]); 48 49 finish(); 50 }); 51 ss.setBrowserState(JSON.stringify(stateObj)); 52 }