1 files changed, 29 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/tests/browser/browser_aboutDialog_AppUpdater_stop_no_update.js b/toolkit/mozapps/update/tests/browser/browser_aboutDialog_AppUpdater_stop_no_update.js
new file mode 100644
index 0000000000..65a52ccc87
--- /dev/null
+++ b/toolkit/mozapps/update/tests/browser/browser_aboutDialog_AppUpdater_stop_no_update.js
@@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that while a download is in-progress, calling `AppUpdater.stop()` while
+// in the "noUpdatesFound" state doesn't cause a shift to any other state, such
+// as internal error.
+// This is less a test of the About dialog than of AppUpdater, but it's easier
+// to test it via the About dialog just because there is already a testing
+// framework for the About dialog.
+add_task(async function aboutDialog_AppUpdater_stop_no_update() {
+  let params = { queryString: "&noUpdates=1" };
+  await runAboutDialogUpdateTest(params, [
+    {
+      panelId: "checkingForUpdates",
+      continueFile: CONTINUE_CHECK,
+    },
+    {
+      panelId: "noUpdatesFound",
+    },
+    aboutDialog => {
+      aboutDialog.gAppUpdater._appUpdater.stop();
+    },
+    {
+      panelId: "noUpdatesFound",
+    },
+  ]);
+});