public static async Task <IComicVisitPage <TResource>[]> DownloadChapterAsync <TResource>(this IComicVisiting <TResource> visiting,
int index,
int concurrent = 1)
{
if (visiting is null)
{
throw new ArgumentNullException(nameof(visiting));
}
if (index < 0)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
var streamMgr = visiting.Host.GetRequiredService <RecyclableMemoryStreamManager>();
var mgr = await visiting.GetChapterManagerAsync(index);
if (mgr == null || mgr.ChapterWithPage?.Pages == null)
{
return(null);
}
var workingTask = Enumerable.Range(0, mgr.ChapterWithPage.Pages.Length)
.Select(x => new Func <Task <IComicVisitPage <TResource> > >(() => mgr.GetVisitPageAsync(x)))
.ToArray();
var orderMap = Enumerable.Range(0, mgr.ChapterWithPage.Pages.Length)
.ToDictionary(x => mgr.ChapterWithPage.Pages[x]);
var results = await TaskQuene.RunAsync(workingTask, concurrent);
return(results.OrderBy(x => orderMap[x.Page]).ToArray());
}
public async Task AddSomeTaskWithValue_RuntIt_AllValueReturn()
{
var tasks = Enumerable.Range(0, 10)
.Select(x => new Func <Task <int> >(() => Task.FromResult(x)))
.ToArray();
var res = await TaskQuene.RunAsync(tasks);
Assert.AreEqual(res.Length, tasks.Length);
}