| Index: tests/lib_strong/async/stream_subscription_as_future_test.dart
|
| diff --git a/tests/lib_strong/async/stream_subscription_as_future_test.dart b/tests/lib_strong/async/stream_subscription_as_future_test.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..841298b1990339a5440dff21a6bb59d35b4307e8
|
| --- /dev/null
|
| +++ b/tests/lib_strong/async/stream_subscription_as_future_test.dart
|
| @@ -0,0 +1,126 @@
|
| +// 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.
|
| +
|
| +// Test the Stream.single method.
|
| +library stream_single_test;
|
| +
|
| +import "package:expect/expect.dart";
|
| +import 'dart:async';
|
| +import 'package:unittest/unittest.dart';
|
| +
|
| +main() {
|
| + test("subscription.asFuture success", () {
|
| + Stream stream = new Stream.fromIterable([1, 2, 3]);
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + subscription.asFuture(output).then(expectAsync((o) {
|
| + Expect.listEquals([1, 2, 3], o);
|
| + }));
|
| + });
|
| +
|
| + test("subscription.asFuture success2", () {
|
| + StreamController controller = new StreamController(sync: true);
|
| + [1, 2, 3].forEach(controller.add);
|
| + controller.close();
|
| + Stream stream = controller.stream;
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + subscription.asFuture(output).then(expectAsync((o) {
|
| + Expect.listEquals([1, 2, 3], o);
|
| + }));
|
| + });
|
| +
|
| + test("subscription.asFuture success 3", () {
|
| + Stream stream = new Stream.fromIterable([1, 2, 3]).map((x) => x);
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + subscription.asFuture(output).then(expectAsync((o) {
|
| + Expect.listEquals([1, 2, 3], o);
|
| + }));
|
| + });
|
| +
|
| + test("subscription.asFuture different type", () {
|
| + Stream stream = new Stream<int>.fromIterable([1, 2, 3]);
|
| + var asyncCallback = expectAsync(() => {});
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + subscription.asFuture("string").then((String o) {
|
| + Expect.listEquals([1, 2, 3], output);
|
| + Expect.equals("string", o);
|
| + asyncCallback();
|
| + });
|
| + });
|
| +
|
| + test("subscription.asFuture failure", () {
|
| + StreamController controller = new StreamController(sync: true);
|
| + [1, 2, 3].forEach(controller.add);
|
| + controller.addError("foo");
|
| + controller.close();
|
| + Stream stream = controller.stream;
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + subscription.asFuture(output).catchError(expectAsync((error) {
|
| + Expect.equals(error, "foo");
|
| + }));
|
| + });
|
| +
|
| + test("subscription.asFuture failure2", () {
|
| + Stream stream = new Stream.fromIterable([1, 2, 3, 4])
|
| + .map((x) {
|
| + if (x == 4) throw "foo";
|
| + return x;
|
| + });
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + subscription.asFuture(output).catchError(expectAsync((error) {
|
| + Expect.equals(error, "foo");
|
| + }));
|
| + });
|
| +
|
| + test("subscription.asFuture delayed cancel", () {
|
| + var completer = new Completer();
|
| + var controller =
|
| + new StreamController(onCancel: () => completer.future, sync: true);
|
| + [1, 2, 3].forEach(controller.add);
|
| + controller.addError("foo");
|
| + controller.close();
|
| + Stream stream = controller.stream;
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + bool catchErrorHasRun = false;
|
| + subscription.asFuture(output).catchError(expectAsync((error) {
|
| + Expect.equals(error, "foo");
|
| + catchErrorHasRun = true;
|
| + }));
|
| + Timer.run(expectAsync(() {
|
| + Expect.isFalse(catchErrorHasRun);
|
| + completer.complete();
|
| + }));
|
| + });
|
| +
|
| + test("subscription.asFuture failure in cancel", () {
|
| + runZoned(() {
|
| + var completer = new Completer();
|
| + var controller =
|
| + new StreamController(onCancel: () => completer.future, sync: true);
|
| + [1, 2, 3].forEach(controller.add);
|
| + controller.addError("foo");
|
| + controller.close();
|
| + Stream stream = controller.stream;
|
| + var output = [];
|
| + var subscription = stream.listen((x) { output.add(x); });
|
| + bool catchErrorHasRun = false;
|
| + subscription.asFuture(output).catchError(expectAsync((error) {
|
| + Expect.equals(error, "foo");
|
| + catchErrorHasRun = true;
|
| + }));
|
| + Timer.run(expectAsync(() {
|
| + Expect.isFalse(catchErrorHasRun);
|
| + completer.completeError(499);
|
| + }));
|
| + }, onError: expectAsync((e) {
|
| + Expect.equals(499, e);
|
| + }));
|
| + });
|
| +}
|
|
|