Sigmund Cherem
fb29d0e96d
This allows to break a circular dependency between package:expect and package:async_helper, which will simplify the support for modular tests using package:modular_test. Change-Id: Ie48723d3f35d51a8fbe622e0158450e8104fe3f5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102140 Reviewed-by: Johnni Winther <johnniwinther@google.com>
72 lines
1.9 KiB
Dart
72 lines
1.9 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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// Test the Stream.single method.
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library stream_single_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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test("single", () {
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StreamController c = new StreamController(sync: true);
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Future f = c.stream.single;
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f.then(expectAsync((v) {
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Expect.equals(42, v);
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}));
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new Events.fromIterable([42]).replay(c);
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});
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test("single empty", () {
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StreamController c = new StreamController(sync: true);
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Future f = c.stream.single;
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f.catchError(expectAsync((error) {
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Expect.isTrue(error is StateError);
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}));
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new Events.fromIterable([]).replay(c);
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});
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test("single error", () {
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StreamController c = new StreamController(sync: true);
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Future f = c.stream.single;
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f.catchError(expectAsync((error) {
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Expect.equals("error", error);
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}));
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Events errorEvents = new Events()
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..error("error")
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..close();
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errorEvents.replay(c);
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});
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test("single error 2", () {
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StreamController c = new StreamController(sync: true);
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Future f = c.stream.single;
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f.catchError(expectAsync((error) {
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Expect.equals("error", error);
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}));
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Events errorEvents = new Events()
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..error("error")
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..error("error2")
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..close();
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errorEvents.replay(c);
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});
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test("single error 3", () {
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StreamController c = new StreamController(sync: true);
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Future f = c.stream.single;
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f.catchError(expectAsync((error) {
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Expect.equals("error", error);
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}));
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Events errorEvents = new Events()
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..add(499)
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..error("error")
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..close();
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errorEvents.replay(c);
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});
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}
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