immich/mobile/test/modules/utils/async_mutex_test.dart
shenlong-tanwen d6de85be27 fix warning
2025-10-08 19:08:37 +05:30

23 lines
915 B
Dart

import 'dart:async';
import 'package:flutter_test/flutter_test.dart';
import 'package:immich_mobile/utils/async_mutex.dart';
void main() {
group('Test AsyncMutex grouped', () {
test('test ordered execution', () async {
AsyncMutex lock = AsyncMutex();
List<int> events = [];
expect(0, lock.enqueued);
unawaited(lock.run(() => Future.delayed(const Duration(milliseconds: 10), () => events.add(1))));
expect(1, lock.enqueued);
unawaited(lock.run(() => Future.delayed(const Duration(milliseconds: 3), () => events.add(2))));
expect(2, lock.enqueued);
unawaited(lock.run(() => Future.delayed(const Duration(milliseconds: 1), () => events.add(3))));
expect(3, lock.enqueued);
await lock.run(() => Future.delayed(const Duration(milliseconds: 10), () => events.add(4)));
expect(0, lock.enqueued);
expect(events, [1, 2, 3, 4]);
});
});
}