nweiz@google.com
2cef9e2c7b
scheduled_test now uses stack chains for all of its error reporting. This also adds a number of [Chain.track] calls to work around issue 15105. R=rnystrom@google.com Review URL: https://codereview.chromium.org//93143002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@30836 260f80e4-7a28-3924-810f-c04153c831b5
61 lines
2.1 KiB
Dart
61 lines
2.1 KiB
Dart
// Copyright (c) 2013, 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 test_utils;
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import 'dart:async';
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import 'package:scheduled_test/scheduled_test.dart';
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import 'package:scheduled_test/src/utils.dart';
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import 'package:scheduled_test/src/mock_clock.dart' as mock_clock;
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import 'metatest.dart';
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export 'package:scheduled_test/src/utils.dart';
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/// Wraps [input] to provide a timeout. If [input] completes before
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/// [milliseconds] have passed, then the return value completes in the same way.
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/// However, if [milliseconds] pass before [input] has completed, [onTimeout] is
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/// run and its result is passed to [input] (with chaining, if it returns a
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/// [Future]).
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///
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/// Note that timing out will not cancel the asynchronous operation behind
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/// [input].
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Future timeout(Future input, int milliseconds, onTimeout()) {
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var completer = new Completer();
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var timer = new Timer(new Duration(milliseconds: milliseconds), () {
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chainToCompleter(syncFuture(onTimeout), completer);
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});
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input.then((value) {
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if (completer.isCompleted) return;
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timer.cancel();
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completer.complete(value);
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}).catchError((error, stackTrace) {
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if (completer.isCompleted) return;
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timer.cancel();
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completer.completeError(error, stackTrace);
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});
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return completer.future;
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}
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/// Returns a [Future] that will complete in [milliseconds].
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Future sleep(int milliseconds) {
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var completer = new Completer();
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mock_clock.newTimer(new Duration(milliseconds: milliseconds), () {
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completer.complete();
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});
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return completer.future;
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}
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/// Sets up a timeout for every metatest in this file.
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void setUpTimeout() {
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metaSetUp(() {
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// TODO(nweiz): We used to only increase the timeout to 10s for the Windows
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// bots, but the Linux and Mac bots have started taking upwards of 5s when
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// running pumpEventQueue, so we're increasing the timeout across the board
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// (see issue 9248).
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currentSchedule.timeout = new Duration(seconds: 10);
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});
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}
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