There are a number of tests which fail on z/OS due to ASCII-EBCDIC differences,
e.g. sorts.
It is not much of a problem to document and ignore these failures, but it would
be better to actually run a successful test on z/OS if possible.
To do so, I hit on the idea of adding the following code to test55.in, one of
the failing tests:
:if has('ebcdic')
:silent !cp test55.ok.ebc test.ok
:redraw!
:endif
This may or may not be a good approach - I would prefer not to discuss its
merits in this thread.
What I would like to discuss is the fact that it didn't work. Inspecting
testdir/Makefile shows why:
.in.out:
-rm -rf $*.failed test.ok $(RM_ON_RUN)
cp $*.ok test.ok
# ... many omitted lines ...
# Check if the test.out file matches test.ok.
@/bin/sh -c "if test -f test.out; then \
if diff test.out $*.ok; \
then mv -f test.out $*.out; \
else echo $* FAILED >>test.log; mv -f test.out $*.failed; \
fi \
else echo $* NO OUTPUT >>test.log; \
fi"
# more omitted lines
-rm -rf X* test.ok viminfo
It certainly appears that the intent was to create test.ok for use in the diff.
However, it is actually using $*.ok rather than test.ok in the diff; that is
why my test continues to fail.
The only use made of test.ok is to create it at the start and delete it at the
end.
Is there a reason why the diff is not using the file which was created
precisely for it?
I made the appropriate substitution on a test ASCII system, and all the tests
seemed to run just fine.
The alternative to this sort of approach is to skip test55 for ebcdic, and add
a new test55e which is skipped for non-EBCDIC.
This seems clumsy, but it is admittedly easy enough to do.
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