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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const { sinon } = ChromeUtils.importESModule(
);
add_task(async function () {
let tab1 = await addTab();
let tab2 = await addTab();
let tab3 = await addTab();
let tabs = [tab1, tab2, tab3];
// Add a beforeunload event listener in one of the tabs; it should be called
// before closing any of the tabs.
await ContentTask.spawn(tab2.linkedBrowser, null, async function () {
content.window.addEventListener("beforeunload", function () {}, true);
});
let permitUnloadSpy = sinon.spy(tab2.linkedBrowser, "asyncPermitUnload");
let removeTabSpy = sinon.spy(gBrowser, "removeTab");
gBrowser.removeTabs(tabs);
Assert.ok(permitUnloadSpy.calledOnce, "permitUnload was called only once");
Assert.equal(
removeTabSpy.callCount,
tabs.length,
"removeTab was called for every tab"
);
Assert.ok(
permitUnloadSpy.lastCall.calledBefore(removeTabSpy.firstCall),
"permitUnload was called before for first removeTab call"
);
removeTabSpy.restore();
permitUnloadSpy.restore();
});