1 files changed, 43 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_shutdown_cleanup.js b/toolkit/components/extensions/test/xpcshell/test_ext_shutdown_cleanup.js
new file mode 100644
index 0000000000..f423ccbe97
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_shutdown_cleanup.js
@@ -0,0 +1,43 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+
+"use strict";
+
+const {
+  ExtensionParent: { GlobalManager },
+} = ChromeUtils.importESModule(
+  "resource://gre/modules/ExtensionParent.sys.mjs"
+);
+
+add_task(async function test_global_manager_shutdown_cleanup() {
+  equal(
+    GlobalManager.initialized,
+    false,
+    "GlobalManager start as not initialized"
+  );
+
+  function background() {
+    browser.test.notifyPass("background page loaded");
+  }
+
+  let extension = ExtensionTestUtils.loadExtension({
+    background,
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("background page loaded");
+
+  equal(
+    GlobalManager.initialized,
+    true,
+    "GlobalManager has been initialized once an extension is started"
+  );
+
+  await extension.unload();
+
+  equal(
+    GlobalManager.initialized,
+    false,
+    "GlobalManager has been uninitialized once all the webextensions have been stopped"
+  );
+});