2022-10-01 23:47:00 +09:00

96 lines
2.5 KiB
C#

// Kyoo - A portable and vast media library solution.
// Copyright (c) Kyoo.
//
// See AUTHORS.md and LICENSE file in the project root for full license information.
//
// Kyoo 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
// any later version.
//
// Kyoo 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 Kyoo. If not, see <https://www.gnu.org/licenses/>.
using System;
using System.Threading;
using System.Threading.Tasks;
using Kyoo.Utils;
using Xunit;
namespace Kyoo.Tests.Utility
{
public class TaskTests
{
[Fact]
public async Task DefaultIfNullTest()
{
Assert.Equal(0, await TaskUtils.DefaultIfNull<int>(null));
Assert.Equal(1, await TaskUtils.DefaultIfNull(Task.FromResult(1)));
}
[Fact]
public async Task ThenTest()
{
await Assert.ThrowsAsync<ArgumentException>(() => Task.FromResult(1)
.Then(_ => throw new ArgumentException()));
Assert.Equal(1, await Task.FromResult(1)
.Then(_ => { }));
static async Task<int> Faulted()
{
await Task.Delay(1);
throw new ArgumentException();
}
await Assert.ThrowsAsync<ArgumentException>(() => Faulted().Then(_ => KAssert.Fail()));
static async Task<int> Infinite()
{
await Task.Delay(100000);
return 1;
}
CancellationTokenSource token = new();
token.Cancel();
await Assert.ThrowsAsync<TaskCanceledException>(() => Task.Run(Infinite, token.Token)
.Then(_ => { }));
}
[Fact]
public async Task MapTest()
{
await Assert.ThrowsAsync<ArgumentException>(() => Task.FromResult(1)
.Map<int, int>(_ => throw new ArgumentException()));
Assert.Equal(2, await Task.FromResult(1)
.Map(x => x + 1));
static async Task<int> Faulted()
{
await Task.Delay(1);
throw new ArgumentException();
}
await Assert.ThrowsAsync<ArgumentException>(() => Faulted()
.Map(x =>
{
KAssert.Fail();
return x;
}));
static async Task<int> Infinite()
{
await Task.Delay(100000);
return 1;
}
CancellationTokenSource token = new();
token.Cancel();
await Assert.ThrowsAsync<TaskCanceledException>(() => Task.Run(Infinite, token.Token)
.Map(x => x));
}
}
}