public static Promise <T> DisposeIfCanceled <T>(this CancellationToken cancellationToken, Func <Promise <T> > func) where T : class
{
if (cancellationToken.IsCancellationRequested)
{
return(Promises.Disposed <T> ());
}
return(func());
}
public void TestSelect()
{
var actual = 0;
Promises.Resolved(1.Wrap()).Select(_ => 2.Wrap()).Done(_ => actual++);
Promises.Rejected <TWrapper <int> > (new Exception()).Select(_ => 2.Wrap()).Fail(_ => actual++);
Promises.Disposed <TWrapper <int> > ().Select(_ => 2.Wrap()).Disposed(() => actual++);
Promises.Resolved(1.Wrap()).Select <TWrapper <int> > (_ => {
throw new Exception();
}).Fail(_ => actual++);
Assert.That(actual, Is.EqualTo(4));
}
public void TestWhere()
{
var actual = 0;
Promises.Resolved(1.Wrap()).Where(n => n.val == 1).Done(_ => actual++);
Promises.Resolved(1.Wrap()).Where(n => n.val == 2)
.Done(_ => Assert.Fail()).Fail(_ => Assert.Fail())
.Disposed(() => actual++);
Promises.Rejected <TWrapper <int> > (new Exception()).Where(_ => true).Fail(_ => actual++);
Promises.Disposed <TWrapper <int> > ().Where(_ => true).Disposed(() => actual++);
Promises.Resolved(1.Wrap()).Where(_ => {
throw new Exception();
}).Fail(_ => actual++);
Assert.That(actual, Is.EqualTo(5));
}
public Promise <T> Create(List <Promise <T> > promises)
{
if (promises.Count == 0)
{
return(Promises.Disposed <T> ());
}
nonResolvedCount = 0;
size = promises.Count;
deferred = new Deferred <T>();
foreach (var each in promises)
{
ObservePromise(each);
}
return(deferred);
}