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Test Info:
add_task(async function test() {
var tab = await BrowserTestUtils.openNewForegroundTab(gBrowser);
var gotTabAttrModified = false;
var gotTabClose = false;
function onTabClose() {
gotTabClose = true;
tab.addEventListener("TabAttrModified", onTabAttrModified);
}
function onTabAttrModified() {
gotTabAttrModified = true;
}
tab.addEventListener("TabClose", onTabClose);
BrowserTestUtils.removeTab(tab);
ok(gotTabClose, "should have got the TabClose event");
ok(
!gotTabAttrModified,
"shouldn't have got the TabAttrModified event after TabClose"
);
tab.removeEventListener("TabClose", onTabClose);
tab.removeEventListener("TabAttrModified", onTabAttrModified);
});