Mypal68/browser/base/content/test/general/browser_tabs_owner.js
2025-04-19 19:10:44 +03:00

41 lines
1018 B
JavaScript

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];
BrowserOpenTab();
is(gBrowser.selectedTab, gBrowser.tabs[4], "newly opened tab is selected");
gBrowser.removeCurrentTab();
is(gBrowser.selectedTab, owner, "owner is selected");
owner = gBrowser.selectedTab;
BrowserOpenTab();
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;
BrowserOpenTab();
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();
}
}