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Diffstat (limited to '')
-rw-r--r-- | browser/base/content/test/tabs/browser_removeTabs_order.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_removeTabs_order.js b/browser/base/content/test/tabs/browser_removeTabs_order.js new file mode 100644 index 0000000000..071cc03716 --- /dev/null +++ b/browser/base/content/test/tabs/browser_removeTabs_order.js @@ -0,0 +1,40 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +const { sinon } = ChromeUtils.importESModule( + "resource://testing-common/Sinon.sys.mjs" +); + +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 (event) {}, 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(); +}); |