moxxmpp/packages/moxxmpp/test/async_queue_test.dart

44 lines
1.5 KiB
Dart

import 'package:moxxmpp/src/util/queue.dart';
import 'package:test/test.dart';
void main() {
test('Test the async queue', () async {
final queue = AsyncQueue();
int future1Finish = 0;
int future2Finish = 0;
int future3Finish = 0;
await queue.addJob(() => Future<void>.delayed(const Duration(seconds: 3), () => future1Finish = DateTime.now().millisecondsSinceEpoch));
await queue.addJob(() => Future<void>.delayed(const Duration(seconds: 3), () => future2Finish = DateTime.now().millisecondsSinceEpoch));
await queue.addJob(() => Future<void>.delayed(const Duration(seconds: 3), () => future3Finish = DateTime.now().millisecondsSinceEpoch));
await Future<void>.delayed(const Duration(seconds: 12));
// The three futures must be done
expect(future1Finish != 0, true);
expect(future2Finish != 0, true);
expect(future3Finish != 0, true);
// The end times of the futures must be ordered (on a timeline)
// |-- future1Finish -- future2Finish -- future3Finish --|
expect(
future1Finish < future2Finish && future1Finish < future3Finish,
true,
);
expect(
future2Finish < future3Finish && future2Finish > future1Finish,
true,
);
expect(
future3Finish > future1Finish && future3Finish > future2Finish,
true,
);
// The queue must be empty at the end
expect(queue.queue.isEmpty, true);
// The queue must not be executing anything at the end
expect(queue.isRunning, false);
});
}