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#!/bin/sh
# make sure `sum -s' works for input whose sum of bytes is larger than 2^32
# Copyright (C) 2001, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
if test "$VERBOSE" = yes; then
set -x
sum --version
fi
$PERL -e 1 > /dev/null 2>&1 || {
echo 1>&2 "$0: configure didn't find a usable version of Perl," \
"so can't run this test"
exit 77
}
# Avoid a problem when run in a UTF-8 locale.
# Otherwise, Perl would try to (and fail to) interpret
# each string below as a sequence of multi-byte characters.
LC_ALL=C
export LC_ALL
pwd=`pwd`
tmp=sum-s.$$
trap 'status=$?; cd "$pwd" && rm -rf $tmp && exit $status' 0
trap '(exit $?); exit' 1 2 13 15
framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1
if test $framework_failure = 1; then
echo 'failure in testing framework' 1>&2
(exit 1); exit 1
fi
fail=0
# FYI, 16843009 is floor (2^32 / 255).
# aka: perl -e 'print chr(255) x 16843009'
$PERL -e '$s = chr(255) x 65537; foreach (1..257) {print $s}' \
| sum -s > out || fail=1
cat > exp <<\EOF
65535 32897
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
rm -f out exp
# aka: perl -e 'print chr(255) x 16843010'
$PERL -e '$s = chr(255) x 65537; foreach (1..257) {print $s}; print chr(255)' \
| sum -s > out || fail=1
cat > exp <<\EOF
254 32897
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
|
