#!/bin/sh
# Ensure that zgrep -15 works. Before gzip-1.5, it would fail.
-# Copyright (C) 2012-2013 Free Software Foundation, Inc.
+# Copyright (C) 2012-2018 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
# 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, see <http://www.gnu.org/licenses/>.
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
# limit so don't run it by default.
. "${srcdir=.}/init.sh"; path_prepend_ ..
gzip < in > in.gz || framework_failure_
seq 2 32 > exp || framework_failure_
+: ${GREP=grep}
+$GREP -15 17 - < in > out && compare exp out || {
+ echo >&2 "$0: $GREP does not support context options; skipping this test"
+ exit 77
+}
+
fail=0
zgrep -15 17 - < in.gz > out || fail=1
compare exp out || fail=1