Is that on Linux? Perhaps it is because it is missing run loop interaction?

Sent from my iPhone

On Mar 26, 2016, at 10:52 AM, Daniel Eggert <danielegg...@me.com> wrote:

>> 
>> On 25 Mar 2016, at 21:15, Philippe Hausler via swift-corelibs-dev 
>> <swift-corelibs-dev@swift.org> wrote:
>> 
>> I know a few of you have been waiting for this: I just pushed an initial 
>> implementation of NSOperationQueue, NSOperation and NSBlockOperation. It is 
>> worth noting that this implementaiton has a few behavioral differences 
>> between this implementation and the one implemented in objective-c. Part of 
>> this difference is due to features like QoS not being cross platform 
>> portable or KVO not yet implementable in Swift. This is very much a 
>> work-in-progress; it needs unit tests and and a bit more polish, but 
>> hopefully it is good enough to get some work started in some other places.
>> 
>> - Philippe Hausler
> 
> 
> Great to see progress on this.
> 
> It does fail this simple test case, though:
> 
> 
>    func test_BlockBasedAPI() {
>        let queue = NSOperationQueue()
> 
>        let expectation = expectationWithDescription("did run block")
>        queue.addOperationWithBlock {
>            expectation.fulfill()
>        }
> 
>        waitForExpectationsWithTimeout(0.001, handler: nil)
>    }
> 
> I'm not sure what's going on there. I was using this on my branch for 
> NSURLSession since it has a delegate queue that I need to run callbacks on.
> 
> /Daniel
> 
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