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"use strict";
add_task(async function test_browser_open_newtab_start_observer_notification() {
let observerFiredPromise = new Promise(resolve => {
function observe(subject) {
Services.obs.removeObserver(observe, "browser-open-newtab-start");
resolve(subject.wrappedJSObject);
}
Services.obs.addObserver(observe, "browser-open-newtab-start");
});
// We're calling BrowserOpenTab() (rather the using BrowserTestUtils
// because we want to be sure that it triggers the event to fire, since
// it's very close to where various user-actions are triggered.
BrowserOpenTab();
const newTabCreatedPromise = await observerFiredPromise;
const browser = await newTabCreatedPromise;
const tab = gBrowser.selectedTab;
ok(true, "browser-open-newtab-start observer not called");
Assert.deepEqual(
browser,
tab.linkedBrowser,
"browser-open-newtab-start notified with the created browser"
);
BrowserTestUtils.removeTab(tab);
});
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