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Test Info:
"use strict";
const ORIG_STATE = SessionStore.getBrowserState();
registerCleanupFunction(async () => {
await SessionStoreTestUtils.promiseBrowserState(ORIG_STATE);
});
add_task(async function test_ZeroTabGroups() {
let win = await promiseNewWindowLoaded();
const state = ss.getWindowState(win);
Assert.equal(state.windows.length, 1, "should have state from 1 window");
const windowState = state.windows[0];
Assert.ok(windowState.groups, "window state should have a `groups` property");
Assert.equal(
windowState.groups.length,
0,
"`groups` property should be 0 since there are no tab groups"
);
const countOfGroupedTabs = windowState.tabs.filter(tab => tab.groupId).length;
Assert.equal(
countOfGroupedTabs,
0,
"none of the tabs should refer to a tab group"
);
await BrowserTestUtils.closeWindow(win);
});