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a2b556b937
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
30 lines
832 B
Dart
30 lines
832 B
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test merging streams.
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library dart.test.stream_from_iterable;
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import 'dart:async';
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import 'package:async_helper/async_minitest.dart';
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main() {
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test("stream-periodic1", () {
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Stream stream = new Stream.periodic(const Duration(milliseconds: 1), (i) {
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if (i == 3) throw 42;
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return i;
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});
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int expected = 0;
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var subscription;
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subscription = stream.listen(
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expectAsync((data) {
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expect(data, expected++);
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if (expected == 5) subscription.cancel();
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}, count: 4), onError: expectAsync((e, s) {
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expect(e, 42);
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expected++;
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}));
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});
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}
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