dart-sdk/tests/lib_2/async/stream_periodic2_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

27 lines
747 B
Dart

// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.9
// Test merging streams.
library dart.test.stream_from_iterable;
import 'dart:async';
import 'package:async_helper/async_minitest.dart';
main() {
test("stream-periodic2", () {
Stream stream =
new Stream.periodic(const Duration(milliseconds: 1), (x) => x);
int receivedCount = 0;
var subscription;
subscription = stream.listen(expectAsync((data) {
expect(data, receivedCount);
receivedCount++;
if (receivedCount == 5) subscription.cancel();
}, count: 5));
});
}