1 files changed, 76 insertions, 0 deletions
diff --git a/tests/sum/sysv b/tests/sum/sysv
new file mode 100755
index 0000000..93dff3d
--- /dev/null
+++ b/tests/sum/sysv
@@ -0,0 +1,76 @@
+#!/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