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Test Info: Warnings
- This test gets skipped with pattern: os == 'linux' && os_version == '18.04' && asan OR os == 'linux' && os_version == '18.04' && tsan
- Manifest: browser/components/extensions/test/browser/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
// This test does verify that the menus API events are still emitted when
// there are extension context alive with subscribed listeners
add_task(async function test_subscribed_events_fired_after_context_destroy() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["menus"],
},
files: {
"page.html": `<!DOCTYPE html>
<meta charset="utf-8"><script src="page.js"></script>
Extension Page
`,
"page.js": async function () {
browser.menus.onShown.addListener(() => {
browser.test.sendMessage("menu-onShown");
});
browser.menus.onHidden.addListener(() => {
browser.test.sendMessage("menu-onHidden");
});
// Call an API method implemented in the parent process
// to ensure the menu listeners are subscribed in the
// parent process.
await browser.runtime.getBrowserInfo();
browser.test.sendMessage("page-loaded");
},
},
});
await extension.startup();
info("Loading extension page in a tab");
const tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, pageURL);
await extension.awaitMessage("page-loaded");
info("Loading extension page in another tab");
const tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, pageURL);
await extension.awaitMessage("page-loaded");
info("Remove the first tab");
BrowserTestUtils.removeTab(tab1);
info("Open a context menu and expect menu.onShown to be fired");
await openContextMenu("body");
await extension.awaitMessage("menu-onShown");
info("Close context menu and expect menu.onHidden to be fired");
await closeExtensionContextMenu();
await extension.awaitMessage("menu-onHidden");
ok(true, "The expected menu events have been fired");
BrowserTestUtils.removeTab(tab2);
await extension.unload();
});