blob: 58ffd8a5374b4b52c4ed16ffc9b237a51eb06444 [file] [log] [blame]
// Copyright (c) 2012, 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.
library multiple_timer_test;
import 'dart:async';
import 'package:async_helper/async_helper.dart';
import 'package:expect/expect.dart';
const Duration TIMEOUT1 = const Duration(seconds: 1);
const Duration TIMEOUT2 = const Duration(seconds: 2);
const Duration TIMEOUT3 = const Duration(milliseconds: 500);
const Duration TIMEOUT4 = const Duration(milliseconds: 1500);
// The stopwatch is more precise than the Timer.
// Some browsers (Firefox and IE so far) can trigger too early. So we add more
// margin. We use identical(1, 1.0) as an easy way to know if the test is
// running on the web.
int get safetyMargin => identical(1, 1.0) ? 100 : 0;
main() {
Stopwatch _stopwatch1 = new Stopwatch();
Stopwatch _stopwatch2 = new Stopwatch();
Stopwatch _stopwatch3 = new Stopwatch();
Stopwatch _stopwatch4 = new Stopwatch();
late List<int> _order;
late int _message;
void timeoutHandler1() {
Expect.isTrue((_stopwatch1.elapsedMilliseconds + safetyMargin) >=
TIMEOUT1.inMilliseconds);
Expect.equals(_order[_message], 0);
_message++;
asyncEnd();
}
void timeoutHandler2() {
Expect.isTrue((_stopwatch2.elapsedMilliseconds + safetyMargin) >=
TIMEOUT2.inMilliseconds);
Expect.equals(_order[_message], 1);
_message++;
asyncEnd();
}
void timeoutHandler3() {
Expect.isTrue((_stopwatch3.elapsedMilliseconds + safetyMargin) >=
TIMEOUT3.inMilliseconds);
Expect.equals(_order[_message], 2);
_message++;
asyncEnd();
}
void timeoutHandler4() {
Expect.isTrue((_stopwatch4.elapsedMilliseconds + safetyMargin) >=
TIMEOUT4.inMilliseconds);
Expect.equals(_order[_message], 3);
_message++;
asyncEnd();
}
_order = [2, 0, 3, 1];
_message = 0;
asyncStart();
_stopwatch1.start();
new Timer(TIMEOUT1, timeoutHandler1);
asyncStart();
_stopwatch2.start();
new Timer(TIMEOUT2, timeoutHandler2);
asyncStart();
_stopwatch3.start();
new Timer(TIMEOUT3, timeoutHandler3);
asyncStart();
_stopwatch4.start();
new Timer(TIMEOUT4, timeoutHandler4);
}