[phobos] unittest failures for std.file and std.datetime

[Walter Bright]

On 5/6/2011 7:13 PM, Jonathan M Davis wrote:
>>> Dunno which is at fault, but I erratically get the following on Windows:
>>>
>>> core.exception.AssertError at std.file(779): unittest failure
>>> ----------------
>>> 615138
>>> 614FAF
>>> 5952ED
>>> 6098E6
>> It's trying to verify that the times from the file are correct - such as
>> the time that the file was created. Unfortunately, it can't verify it
>> exactly and so it has a bit of leeway in its check - 2 seconds.
>> Apparently, on your machine, that leeway is too small. I believe that you
>> increased the leeway on the Posix version of the test to 4 seconds just
>> the other day because the leeway wasn't enough on your machine. It's the
>> exact same problem here, only it's on Windows. Ideally, the tests would be
>> exact, but they can't be, and 2 seconds was generally working. Apparently,
>> it's still not enough however.
> Ah, wait. You increased it on Windows. It was already 4 seconds on Linux for
> whatever reason. Is it still failing on your machine after you increased the
> leeway to 4 seconds?
>

Yes. And the unittests run start to finish in under 2 seconds, so I suspect it's 
not the leeway that's the problem.