Re: tests/backref-multibyte-slow timeout 5s is too short for my imac 400

[Gilles Espinasse]

Selon Jim Meyering <address@hidden>:

..
>
> Writing a perl script sounds like a better investment.
> Hmm... maybe just do the timing in perl.
> That gives this small patch:
>
> diff --git a/tests/backref-multibyte-slow b/tests/backref-multibyte-slow
> index eb32b43..940d6df 100644
> --- a/tests/backref-multibyte-slow
> +++ b/tests/backref-multibyte-slow
> @@ -10,9 +10,16 @@ fail=0
>  # Create a 13000-line input
>  $AWK 'BEGIN {for (i=0; i<13000; i++) print "aba"}' /dev/null > in || fail=1
>
> +# Use 10 times the duration of running grep in the C locale as the timeout
> +# when running in en_US.UTF-8.  Round up to whole seconds, since timeout
> +# can't deal with fractional seconds.
> +max_seconds=$(LC_ALL=C perl -le 'use Time::HiRes qw(time); my $s = time();
> +              system q,grep -E '\''^([a-z]).\1$'\'' in > /dev/null,;
> +              my $elapsed = time() - $s; print int (1 + 10 * $elapsed)')
> +
>  for LOC in en_US.UTF-8; do
>    out=out-$LOC
> -  LC_ALL=$LOC timeout 5s grep -E '^([a-z]).\1$' in > $out 2>&1
> +  LC_ALL=$LOC timeout ${max_seconds}s grep -E '^([a-z]).\1$' in > $out 2>&1
>    test $? = 0 || fail=1
>    compare $out in || fail=1
>  done
>
> However, it's incomplete, since it doesn't first ensure that perl
> is available.  Also, the factor of 10 may not be enough on some systems.
>
> Gilles, does that work for you?
>
Will test tonight.
At least perl is always available on LFS build style.

If perl is not available, probably test should be skipped.


Gilles