1 files changed, 23 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_background_generated_load_events.js b/toolkit/components/extensions/test/xpcshell/test_ext_background_generated_load_events.js
new file mode 100644
index 0000000000..cac574b8ca
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_background_generated_load_events.js
@@ -0,0 +1,23 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+/* eslint-disable mozilla/balanced-listeners */
+
+add_task(async function test_DOMContentLoaded_in_generated_background_page() {
+  let extension = ExtensionTestUtils.loadExtension({
+    background() {
+      function reportListener(event) {
+        browser.test.sendMessage("eventname", event.type);
+      }
+      document.addEventListener("DOMContentLoaded", reportListener);
+      window.addEventListener("load", reportListener);
+    },
+  });
+
+  await extension.startup();
+  equal("DOMContentLoaded", await extension.awaitMessage("eventname"));
+  equal("load", await extension.awaitMessage("eventname"));
+
+  await extension.unload();
+});