forked from mirrors/gecko-dev
51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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function test() {
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let assertNumberOfTabs = function (num, msg) {
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is(gBrowser.tabs.length, num, msg);
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}
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let assertNumberOfVisibleTabs = function (num, msg) {
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is(gBrowser.visibleTabs.length, num, msg);
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}
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let assertNumberOfPinnedTabs = function (num, msg) {
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is(gBrowser._numPinnedTabs, num, msg);
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}
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waitForExplicitFinish();
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// check prerequisites
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assertNumberOfTabs(1, "we start off with one tab");
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// setup
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let tab = gBrowser.addTab("about:mozilla");
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whenTabIsLoaded(tab, function () {
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// hide the newly created tab
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assertNumberOfVisibleTabs(2, "there are two visible tabs");
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gBrowser.showOnlyTheseTabs([gBrowser.tabs[0]]);
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assertNumberOfVisibleTabs(1, "there is one visible tab");
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ok(tab.hidden, "newly created tab is now hidden");
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// close and restore hidden tab
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gBrowser.removeTab(tab);
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tab = ss.undoCloseTab(window, 0);
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// check that everything was restored correctly, clean up and finish
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whenTabIsLoaded(tab, function () {
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is(tab.linkedBrowser.currentURI.spec, "about:mozilla", "restored tab has correct url");
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gBrowser.removeTab(tab);
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finish();
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});
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});
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}
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function whenTabIsLoaded(tab, callback) {
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tab.linkedBrowser.addEventListener("load", function onLoad() {
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tab.linkedBrowser.removeEventListener("load", onLoad, true);
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callback();
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}, true);
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}
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