Mhh no. In some rare cases it is yellow.

There is definitely something non-deterministic or something with
side-effects in those tests.

Lukas

On Sat, Apr 11, 2009 at 6:52 PM, Lukas Renggli <[email protected]> wrote:
> I cannot reproduce, for me the tests are always green.
>
> What image are you using?
>
> Lukas
>
> On Sat, Apr 11, 2009 at 5:37 PM, Stéphane Ducasse
> <[email protected]> wrote:
>> When running the kernelTest-Classes
>> testClassDescriptionallSubInstances is yellow but when run
>> individually green.
>>
>>
>>
>> On Apr 11, 2009, at 2:57 PM, Lukas Renggli wrote:
>>
>>> I don't think this is related to #doesNotUnderstand:, but if you tell
>>> me what test case this is I can have a look.
>>>
>>> Lukas
>>>
>>> On Saturday, April 11, 2009, Stéphane Ducasse <[email protected]
>>> > wrote:
>>>>
>>>> On Apr 10, 2009, at 8:41 PM, Lukas Renggli wrote:
>>>>
>>>>
>>>> is it normal that when one doubleclick on an yellow item in the list
>>>> it does not open a debugger?
>>>>
>>>>
>>>> No, that's not normal.
>>>>
>>>> Right now I can think of two possible causes:
>>>>
>>>> - The test is not deterministic or has side effects that cause it to
>>>> sometimes fail and sometimes pass.
>>>>
>>>>
>>>> I do not think that this is the case.
>>>> I can reproduce the bhevaior run KernelsTests-classes.
>>>>
>>>>
>>>>
>>>> - Another reason that I recently noticed is related to exceptions and
>>>> how SUnit runs the tests. When a test is run (when you click on run)
>>>> the code is wrapped into an [ ... ] on: Error do: ..., thus catching
>>>> all exceptions. When a test is debugged (when you click on an item on
>>>> the list) the code is not wrapped in such a handler assuming that
>>>> this
>>>> would cause the system to open a debugger. However, depending on the
>>>> exception raised this causes a custom default action to be evaluated
>>>> and the test does not fail anymore. Many file-related exceptions have
>>>> such a default behavior. Oscar recently reported an issue on this:
>>>> <http://code.google.com/p/pharo/issues/detail?id=698>. I wonder why
>>>> this only appeared now? Was there anything changed related to SUnit
>>>> or
>>>> Exceptions?
>>>>
>>>>
>>>> I know that we introduce a fix of eliot in the way does not
>>>> understand
>>>> lead to open the debugger.
>>>>
>>>> see the mail below
>>>> The code is attached to a mail of 20 of december in pharo mailing-
>>>> list
>>>> Let me know if you understand better than me. Now I do not have the
>>>> time
>>>> to look at it.
>>>>
>>>> Stef
>>>>
>>>>
>>>>
>>>> Begin forwarded message:
>>>>
>>>>
>>>> From: "Eliot Miranda" <[email protected]>
>>>> Date: December 19, 2008 7:52:21 PM CEST
>>>> To: "The general-purpose Squeak developers list" 
>>>> <[email protected]
>>>> >
>>>> Subject: Re: [squeak-dev] Re: Resume Problems
>>>> Reply-To: The general-purpose Squeak developers list 
>>>> <[email protected]
>>>> >
>>>>
>>>> Hi Zulq,
>>>>
>>>>    I made sure this was fixed in VisualWorks.  Steve Dahl and I
>>>> fixed this together.  Here's an analogous fix for Squeak.  The
>>>> essential change is to make Object>>doesNotUnderstand: check if the
>>>> MessageNotUnderstood exception was handled or not, so
>>>>
>>>>        MessageNotUnderstood new
>>>>                message: aMessage;
>>>>                receiver: self;
>>>>                signal.
>>>>        ^ aMessage sentTo: self.
>>>>
>>>> is replaced with
>>>>
>>>>        (exception := MessageNotUnderstood new)
>>>>                message: aMessage;
>>>>                receiver: self.
>>>>        resumeValue := exception signal.
>>>>        ^exception reachedDefaultHandler
>>>>                ifTrue: [aMessage sentTo: self]
>>>>                ifFalse: [resumeValue]
>>>>
>>>> HTH
>>>>
>>>> On Fri, Dec 19, 2008 at 8:13 AM, Zulq Alam <[email protected]> wrote:
>>>> Hi Klaus,
>>>>
>>>>
>>>> Klaus D. Witzel wrote:
>>>> Nah, the result has nothing to do with #on:do: resuming with 1, you
>>>> better
>>>> try
>>>>
>>>> [('abc' + 1) + 1]
>>>>  on: MessageNotUnderstood
>>>>  do: [:e | e resume: -1]
>>>>
>>>> which still says 2. This because someone, behind you back, put
>>>> #asNumber
>>>> arithmethic into ByteString ... now this attempts (Number readFrom:
>>>> 'abc')
>>>> which gives 0 for your +1 +1 and so 2.
>>>>
>>>> You may want to start DNU testing with ('abc' break; + 1) and then
>>>> see
>>>> where it goes.
>>>>
>>>> Hmm... I think something is not right or at the very least the
>>>> semantics are subtly different than I expect.
>>>>
>>>> VisualWorks:
>>>> [Object new blah + 1]
>>>>  on: MessageNotUnderstood
>>>>  do: [:e | e resume: 1]  " = 2 "
>>>>
>>>> [MessageNotUnderstood signal + 1]
>>>>  on: MessageNotUnderstood
>>>>  do: [:e | e resume: 1] " = 2 "
>>>>
>>>> Squeak:
>>>> [Object new blah + 1]
>>>>  on: MessageNotUnderstood
>>>>  do: [:e | e resume: 1]  " infinite recursion!!! "
>>>>
>>>> [MessageNotUnderstood signal + 1]
>>>>  on: MessageNotUnderstood
>>>>  do: [:e | e resume: 1] " = 2 "
>>>>
>>>>
>>>> If I look at doesNotUnderstand: in both I see that in VW the
>>>> resumed value is returned. In Squeak is is not... surely this can't
>>>> be right?
>>>>
>>>> As for my problem, I think a simpler solution is to pass an adaptor/
>>>> proxy object to the block rather than the tag itself. This adaptor
>>>> can then marshal behaviour such that it will act as a message
>>>> eating null if it receives an MNU from the tag it's looking after.
>>>>
>>>> Thanks,
>>>> Zulq.
>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> Lukas Renggli
>>> http://www.lukas-renggli.ch
>>>
>>> _______________________________________________
>>> Pharo-project mailing list
>>> [email protected]
>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>>>
>>
>>
>> _______________________________________________
>> Pharo-project mailing list
>> [email protected]
>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>>
>
>
>
> --
> Lukas Renggli
> http://www.lukas-renggli.ch
>



-- 
Lukas Renggli
http://www.lukas-renggli.ch

_______________________________________________
Pharo-project mailing list
[email protected]
http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

Reply via email to