public void MergeNullSources_Fact()
{
CancellationSource.Merge(null, null)
.ShouldBeNull();
CancellationSource.Merge(CancellationSource.Canceled, null)
.ShouldEqual(CancellationSource.Canceled);
CancellationSource.Merge(null, CancellationSource.Canceled)
.ShouldEqual(CancellationSource.Canceled);
}
public void MergeAndCancelSecond_Fact()
{
var source1 = new CancellationSource();
var source2 = new CancellationSource();
var merged = CancellationSource.Merge(source1, source2);
source2.Cancel();
source1.IsCancelationRequested.ShouldBeFalse();
source2.IsCancelationRequested.ShouldBeTrue();
merged.IsCancelationRequested.ShouldBeTrue();
//ensure safety in calling other cancels
source1.Cancel();
merged.Cancel();
}
public static CancellationSource operator +(CancellationToken token1, CancellationToken token2)
{
return(CancellationSource.Merge(token1._source, token2._source));
}