blob: 9dc04bb9c5f6c4de6c44e70a462183fbf28e9a60 [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:unittest/unittest.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
// compiled by dart2js.
int get safetyMargin => identical(1, 1.0) ? 100 : 0;
main() {
test("multiple timer test", () {
Stopwatch _stopwatch1 = new Stopwatch();
Stopwatch _stopwatch2 = new Stopwatch();
Stopwatch _stopwatch3 = new Stopwatch();
Stopwatch _stopwatch4 = new Stopwatch();
List<int> _order;
int _message;
void timeoutHandler1() {
expect(_stopwatch1.elapsedMilliseconds + safetyMargin,
greaterThanOrEqualTo(TIMEOUT1.inMilliseconds));
expect(_order[_message], 0);
_message++;
}
void timeoutHandler2() {
expect(_stopwatch2.elapsedMilliseconds + safetyMargin,
greaterThanOrEqualTo(TIMEOUT2.inMilliseconds));
expect(_order[_message], 1);
_message++;
}
void timeoutHandler3() {
expect(_stopwatch3.elapsedMilliseconds + safetyMargin,
greaterThanOrEqualTo(TIMEOUT3.inMilliseconds));
expect(_order[_message], 2);
_message++;
}
void timeoutHandler4() {
expect(_stopwatch4.elapsedMilliseconds + safetyMargin,
greaterThanOrEqualTo(TIMEOUT4.inMilliseconds));
expect(_order[_message], 3);
_message++;
}
_order = new List<int>(4);
_order[0] = 2;
_order[1] = 0;
_order[2] = 3;
_order[3] = 1;
_message = 0;
_stopwatch1.start();
new Timer(TIMEOUT1, expectAsync(timeoutHandler1));
_stopwatch2.start();
new Timer(TIMEOUT2, expectAsync(timeoutHandler2));
_stopwatch3.start();
new Timer(TIMEOUT3, expectAsync(timeoutHandler3));
_stopwatch4.start();
new Timer(TIMEOUT4, expectAsync(timeoutHandler4));
});
}