browser_tabs_owner.js

Enable keyboard shortcuts

function test() {

  BrowserTestUtils.addTab(gBrowser);

  BrowserTestUtils.addTab(gBrowser);

  BrowserTestUtils.addTab(gBrowser);

  var owner;

  is(gBrowser.tabs.length, 4, "4 tabs are open");

  owner = gBrowser.selectedTab = gBrowser.tabs[2];

  BrowserCommands.openTab();

  is(gBrowser.selectedTab, gBrowser.tabs[4], "newly opened tab is selected");

  gBrowser.removeCurrentTab();

  is(gBrowser.selectedTab, owner, "owner is selected");

  owner = gBrowser.selectedTab;

  BrowserCommands.openTab();

  gBrowser.selectedTab = gBrowser.tabs[1];

  gBrowser.selectedTab = gBrowser.tabs[4];

  gBrowser.removeCurrentTab();

  isnot(

    gBrowser.selectedTab,

    owner,

    "selecting a different tab clears the owner relation"

);

  owner = gBrowser.selectedTab;

  BrowserCommands.openTab();

  gBrowser.moveTabTo(gBrowser.selectedTab, 0);

  gBrowser.removeCurrentTab();

is(

    gBrowser.selectedTab,

    owner,

    "owner relationship persists when tab is moved"

);

  while (gBrowser.tabs.length > 1) {

    gBrowser.removeCurrentTab();