blob: 6c1f42ee4ecb719fdee2286d08022a08c01673fe [file] [log] [blame]
// 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-periodic1", () {
Stream stream = new Stream.periodic(const Duration(milliseconds: 1), (i) {
if (i == 3) throw 42;
return i;
});
int expected = 0;
var subscription;
subscription = stream.listen(
expectAsync((data) {
expect(data, expected++);
if (expected == 5) subscription.cancel();
}, count: 4), onError: expectAsync((e, s) {
expect(e, 42);
expected++;
}));
});
}