Date:	Wed, 10 Oct 2001 20:56:45 +0200
From:	"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
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To:	acottrel AT ihug DOT com DOT au
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In-reply-to:	<006601c15186$1591f8c0$0a02a8c0@acceleron> (acottrel@ihug.com.au)
Subject:	Re: First round of XP tests
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> From: "Andrew Cottrell" <acottrel AT ihug DOT com DOT au>
> Date: Wed, 10 Oct 2001 22:21:25 +1000
> 
> The Tar bninary file is available for download for testing. I just tar'd
> some batch files then deleted the batch files and then untared the file. The
> process I used was:
> 
> 1) DJGPP_204 D:\temp>tar -c *.txt > TEST.TAR
> 2) DJGPP_204 D:\temp>del *.txt
> 3)  DJGPP_204 D:\temp>dir
>      Volume in drive D is DATA
>      Volume Serial Number is 8495-4651
> 
>      Directory of D:\temp
> 
>     10/10/2001  10:18p      <DIR>          .
>     10/10/2001  10:18p      <DIR>          ..
>     10/10/2001  10:18p              30,720 TEST.TAR
>                1 File(s)         30,720 bytes
>                2 Dir(s)  13,947,686,912 bytes free
> 
> 4) DJGPP_204 D:\temp>tar -x < TEST.TAR
> 5) DJGPP_204 D:\temp>dir
>      Volume in drive D is DATA
>      Volume Serial Number is 8495-4651
> 
>      Directory of D:\temp
> 
>     10/10/2001  10:19p      <DIR>          .
>     10/10/2001  10:19p      <DIR>          ..
>     07/10/2001  02:51p               1,750 mkall_out.txt
>     11/03/2001  12:07a              19,959 readme.txt
>     10/10/2001  10:18p              30,720 TEST.TAR
>                3 File(s)         52,429 bytes
>                2 Dir(s)  13,947,662,336 bytes free
> 
> Is this enough to test LFN?

No, not at all.  Tar is an extremely flexible and versatile program,
with many switches that completely change its behavior.  In addition,
there's some DJGPP-specific code in the ported Tar which makes
sophisticated use of several system calls.  These all should be tested
if you want to make sure Tar works on W2K.  When I did the port, I
made a point of designing a small test case for every command-line
switch and for every feature documented in the manual.  (That was in
addition to the Tar test suite, which is fairly easy to run.)

Examples of tricky features include: preservation of time stamps and
access attribute bits; support for hard and symbolic links in the
archive created on a Unix system; special handling of files whose
names are reserved on DOS/Windows, like prn.txt or aux.c; the feature
whereby Tar excludes the archive from files being put into the same
archive when you say something like "tar cf foo.tar *"; comparison of
time stamps and mode bits in the archive with those on disk, so that
"tar --diff" works as expected immediately after you untar, even
though time stamps have 2-sec granularity.  And that's just a list of
issues I have after 5 seconds of thought ;-)

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