[CS] VmBugDemonstration - an apparent bug in the 3.2 VM!
Boris_Gaertner at msg.de
Boris_Gaertner at msg.de
Fri Jun 14 13:42:59 UTC 2002
C Muller asked about an assumed bug in the VM (in which VM?)
Please look at this instance method:
test: twoArgBlock
self halt.
twoArgBlock
value: req
value: res
Being a subclass of nil, your class does not inherit the halt from
Object. This causes a crash.
For the same reason (not being a subclass ob Object, an
instance of VmBugDemo does not understand so important
methods like inspect , printString and printOn: .
Bearing these facts in mind, I do not currently assume that
there is a bug in the VM.
To examine your code, you can only write into the Transcript
(which is what you did, but you should do it more often.)
Greetings,
Boris Gärtner
msg systems ag
Fraunhoferstraße 9
85737 Ismaning
Tel.: (+89) 96 101 546
mailto: Boris_Gaertner at msg.de
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