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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>
68 lines
2.1 KiB
Dart
68 lines
2.1 KiB
Dart
// Copyright (c) 2011, 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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library stream_transform_test;
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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_minitest.dart';
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import 'event_helper.dart';
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main() {
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// Regression tests for http://dartbug.com/8310 and 8311
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test("simpleDone", () {
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StreamController c = new StreamController(sync: true);
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Stream out = c.stream.handleError((x) {}).handleError((x) {});
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out.listen((v) {}, onDone: expectAsync(() {}));
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// Should not throw.
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c.close();
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});
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test("with events", () {
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StreamController c = new StreamController(sync: true);
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Events expected = new Events.fromIterable([10, 12]);
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Events input = new Events.fromIterable([1, 2, 3, 4, 5, 6, 7]);
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Events actual = new Events.capture(
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c.stream.map((x) => x * 2).where((x) => x > 5).skip(2).take(2));
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actual.onDone(expectAsync(() {
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Expect.listEquals(expected.events, actual.events);
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}));
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input.replay(c);
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});
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test("paused events", () {
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StreamController c = new StreamController(sync: true);
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Events expected = new Events.fromIterable([10, 12]);
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Events input = new Events.fromIterable([1, 2, 3, 4, 5, 6, 7]);
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Events actual = new Events.capture(
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c.stream.map((x) => x * 2).where((x) => x > 5).skip(2).take(2));
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actual.onDone(expectAsync(() {
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Expect.listEquals(expected.events, actual.events);
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}));
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actual.pause();
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input.replay(c);
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actual.resume();
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});
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test("closing after done", () {
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var controller = new StreamController(sync: true);
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controller.stream
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.map((e) => e)
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.transform(
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new StreamTransformer.fromHandlers(handleData: (element, sink) {
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sink.add(element);
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}, handleDone: (sink) {
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sink.close();
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}))
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.listen(expectAsync((e) => expect(e, equals("foo"))));
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controller.add("foo");
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// Should not crash.
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controller.close();
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});
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}
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