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function test() {
var tab1 = gBrowser.selectedTab;
var tab2 = BrowserTestUtils.addTab(gBrowser);
var childTab1;
var childTab2;
childTab1 = BrowserTestUtils.addTab(gBrowser, "about:blank", { relatedToCurrent: true });
gBrowser.selectedTab = childTab1;
gBrowser.removeTab(gBrowser.selectedTab, { skipPermitUnload: true });
is(idx(gBrowser.selectedTab), idx(tab1),
"closing a tab next to its parent selects the parent");
childTab1 = BrowserTestUtils.addTab(gBrowser, "about:blank", { relatedToCurrent: true });
gBrowser.selectedTab = tab2;
gBrowser.selectedTab = childTab1;
gBrowser.removeTab(gBrowser.selectedTab, { skipPermitUnload: true });
is(idx(gBrowser.selectedTab), idx(tab2),
"closing a tab next to its parent doesn't select the parent if another tab had been selected ad interim");
gBrowser.selectedTab = tab1;
childTab1 = BrowserTestUtils.addTab(gBrowser, "about:blank", { relatedToCurrent: true });
childTab2 = BrowserTestUtils.addTab(gBrowser, "about:blank", { relatedToCurrent: true });
gBrowser.selectedTab = childTab1;
gBrowser.removeTab(gBrowser.selectedTab, { skipPermitUnload: true });
is(idx(gBrowser.selectedTab), idx(childTab2),
"closing a tab next to its parent selects the next tab with the same parent");
gBrowser.removeTab(gBrowser.selectedTab, { skipPermitUnload: true });
is(idx(gBrowser.selectedTab), idx(tab2),
"closing the last tab in a set of child tabs doesn't go back to the parent");
gBrowser.removeTab(tab2, { skipPermitUnload: true });
}
function idx(tab) {
return Array.indexOf(gBrowser.tabs, tab);
}
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