| /* |
| * Copyright (c) 2011, 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. |
| */ |
| /** |
| * @assertion void start() |
| * Starts the [Stopwatch]. |
| * The [elapsed] count is increasing monotonically. |
| * If the [Stopwatch] has been stopped, then calling start again restarts it |
| * without resetting the elapsed count. |
| * If the [Stopwatch] is currently running, then calling start does nothing. |
| * @description Checks that calling this method when the Stopwatch is already |
| * running doesn't do anything. |
| * @author kaigorodov |
| */ |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| Duration delay = durationMs(50); |
| Stopwatch sw = new Stopwatch(); |
| int e0 = 0; |
| |
| main() { |
| sw.start(); |
| sw.start(); |
| sw.start(); |
| sw.start(); |
| sw.start(); |
| sw.start(); |
| sw.start(); |
| e0 = sw.elapsedTicks; |
| asyncStart(); |
| new Timer(delay, proc1); |
| } |
| |
| void proc1() { |
| int e1 = sw.elapsedTicks; |
| Expect.isTrue(e1 > e0); |
| asyncEnd(); |
| } |