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Test Info:
"use strict";
add_task(async function closing_tab_with_dependents_should_close_window() {
info("Opening window");
let win = await BrowserTestUtils.openNewBrowserWindow();
info("Opening tab with data URI");
let tab = await BrowserTestUtils.openNewForegroundTab(
win.gBrowser,
`data:text/html,<html%20onclick="W=window.open()"><body%20onbeforeunload="W.close()">`
);
info("Closing original tab in this window.");
BrowserTestUtils.removeTab(win.gBrowser.tabs[0]);
info("Clicking into the window");
let depTabOpened = BrowserTestUtils.waitForEvent(
win.gBrowser.tabContainer,
"TabOpen"
);
await BrowserTestUtils.synthesizeMouse("html", 0, 0, {}, tab.linkedBrowser);
let openedTab = (await depTabOpened).target;
info("Got opened tab");
let windowClosedPromise = BrowserTestUtils.windowClosed(win);
BrowserTestUtils.removeTab(tab);
is(
Cu.isDeadWrapper(openedTab) || openedTab.linkedBrowser == null,
true,
"Opened tab should also have closed"
);
info(
"If we timeout now, the window failed to close - that shouldn't happen!"
);
await windowClosedPromise;
});