browser_bug597218.js (1162B)
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 test() { 6 waitForExplicitFinish(); 7 8 // establish initial state 9 is(gBrowser.tabs.length, 1, "we start with one tab"); 10 11 // create a tab 12 let tab = gBrowser.addTab("about:blank", { 13 triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(), 14 }); 15 ok(!tab.hidden, "tab starts out not hidden"); 16 is(gBrowser.tabs.length, 2, "we now have two tabs"); 17 18 // make sure .hidden is read-only 19 tab.hidden = true; 20 ok(!tab.hidden, "can't set .hidden directly"); 21 22 // hide the tab 23 gBrowser.hideTab(tab); 24 ok(tab.hidden, "tab is hidden"); 25 26 // now pin it and make sure it gets unhidden 27 gBrowser.pinTab(tab); 28 ok(tab.pinned, "tab was pinned"); 29 ok(!tab.hidden, "tab was unhidden"); 30 31 // try hiding it now that it's pinned; shouldn't be able to 32 gBrowser.hideTab(tab); 33 ok(!tab.hidden, "tab did not hide"); 34 35 // clean up 36 gBrowser.removeTab(tab); 37 is(gBrowser.tabs.length, 1, "we finish with one tab"); 38 39 finish(); 40 }