// OpenTween - Client of Twitter
// Copyright (c) 2022 kim_upsilon (@kim_upsilon)
// All rights reserved.
//
// This file is part of OpenTween.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General public License
// for more details.
//
// You should have received a copy of the GNU General public License along
// with this program. If not, see , or write to
// the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
// Boston, MA 02110-1301, USA.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Xunit;
namespace OpenTween
{
public class AsyncTimerTest
{
[Fact]
public async Task Change_FiringTest()
{
var tcs = new TaskCompletionSource();
using var timer = new AsyncTimer(() =>
{
tcs.SetResult(true);
return Task.CompletedTask;
});
var dueTime = TimeSpan.FromMilliseconds(15);
var period = TimeSpan.FromMilliseconds(100);
timer.Change(dueTime, period);
var timeout = Task.Delay(1000);
Assert.NotEqual(timeout, await Task.WhenAny(tcs.Task, timeout));
}
[Fact]
public void Change_PropertiesTest()
{
using var timer = new AsyncTimer(() => Task.CompletedTask);
Assert.Equal(Timeout.InfiniteTimeSpan, timer.DueTime);
Assert.Equal(Timeout.InfiniteTimeSpan, timer.Period);
var dueTime = TimeSpan.FromMilliseconds(30);
var period = TimeSpan.FromMilliseconds(60);
timer.Change(dueTime, period);
Assert.Equal(dueTime, timer.DueTime);
Assert.Equal(period, timer.Period);
}
[Fact]
public async Task UnhandledException_Test()
{
var tcs = new TaskCompletionSource();
void Handler(object sender, ThreadExceptionEventArgs ev)
=> tcs.TrySetResult(ev.Exception);
try
{
AsyncTimer.UnhandledException += Handler;
using var timer = new AsyncTimer(() =>
{
throw new ApplicationException();
});
timer.Change(TimeSpan.FromMilliseconds(15), Timeout.InfiniteTimeSpan);
var timeout = Task.Delay(1000);
Assert.NotEqual(timeout, await Task.WhenAny(tcs.Task, timeout));
Assert.IsType(await tcs.Task);
}
finally
{
AsyncTimer.UnhandledException -= Handler;
}
}
}
}