mirror of
https://github.com/dart-lang/sdk
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26 lines
606 B
Dart
26 lines
606 B
Dart
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// Copyright (c) 2015, 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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import "dart:async";
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import "package:expect/expect.dart";
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import "package:async_helper/async_helper.dart";
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Stream makeStream(int n) async* {
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for (int i = 0; i < n; i++) yield i;
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}
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main() {
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f(Stream s) async {
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var r = 0;
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await for (var v in s.take(5)) r += v;
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return r;
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}
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asyncStart();
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f(makeStream(10)).then((v) {
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Expect.equals(10, v);
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asyncEnd();
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});
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}
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