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43 lines
1.2 KiB
JavaScript
43 lines
1.2 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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async 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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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 = BrowserTestUtils.addTab(gBrowser, "about:mozilla");
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await promiseBrowserLoaded(tab.linkedBrowser);
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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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await promiseRemoveTabAndSessionState(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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await promiseBrowserLoaded(tab.linkedBrowser);
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is(
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tab.linkedBrowser.currentURI.spec,
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"about:mozilla",
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"restored tab has correct url"
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);
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gBrowser.removeTab(tab);
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finish();
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}
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