[verified] Publish ReelBox source under GPLv3

test/download_android_initialization_test.dart

@@ -0,0 +1,43 @@
+import 'dart:async';
+
+import 'package:background_downloader/background_downloader.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+class _FailingStorage implements PersistentStorage {
+  final failure = StateError('download storage unavailable');
+  @override
+  Future<void> initialize() async => throw failure;
+  @override
+  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
+}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  test(
+    'Android initialization failure reaches ready instead of unhandled future',
+    () async {
+      final previous = debugDefaultTargetPlatformOverride;
+      debugDefaultTargetPlatformOverride = TargetPlatform.android;
+      addTearDown(() => debugDefaultTargetPlatformOverride = previous);
+      final storage = _FailingStorage();
+      final unhandled = <Object>[];
+      final done = Completer<void>();
+      Object? observed;
+      runZonedGuarded(() async {
+        final downloader = FileDownloader(persistentStorage: storage);
+        try {
+          await downloader.ready.timeout(const Duration(milliseconds: 200));
+        } catch (error) {
+          observed = error;
+        } finally {
+          done.complete();
+        }
+      }, (error, stack) => unhandled.add(error));
+      await done.future;
+      expect(observed, same(storage.failure));
+      expect(unhandled, isEmpty);
+    },
+  );
+}