xref: /netbsd-src/external/bsd/zstd/dist/tests/gzip/zgrep-context.sh (revision 3117ece4fc4a4ca4489ba793710b60b0d26bab6c)
1*3117ece4Schristos#!/bin/sh
2*3117ece4Schristos# Ensure that zgrep -15 works.  Before gzip-1.5, it would fail.
3*3117ece4Schristos
4*3117ece4Schristos# Copyright (C) 2012-2016 Free Software Foundation, Inc.
5*3117ece4Schristos
6*3117ece4Schristos# This program is free software: you can redistribute it and/or modify
7*3117ece4Schristos# it under the terms of the GNU General Public License as published by
8*3117ece4Schristos# the Free Software Foundation, either version 3 of the License, or
9*3117ece4Schristos# (at your option) any later version.
10*3117ece4Schristos
11*3117ece4Schristos# This program is distributed in the hope that it will be useful,
12*3117ece4Schristos# but WITHOUT ANY WARRANTY; without even the implied warranty of
13*3117ece4Schristos# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*3117ece4Schristos# GNU General Public License for more details.
15*3117ece4Schristos
16*3117ece4Schristos# You should have received a copy of the GNU General Public License
17*3117ece4Schristos# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18*3117ece4Schristos# limit so don't run it by default.
19*3117ece4Schristos
20*3117ece4Schristos. "${srcdir=.}/init.sh"; path_prepend_ .
21*3117ece4Schristos
22*3117ece4Schristos# A limited replacement for seq: handle 1 or 2 args; increment must be 1
23*3117ece4Schristosseq()
24*3117ece4Schristos{
25*3117ece4Schristos  case $# in
26*3117ece4Schristos    1) start=1  final=$1;;
27*3117ece4Schristos    2) start=$1 final=$2;;
28*3117ece4Schristos    *) echo you lose 1>&2; exit 1;;
29*3117ece4Schristos  esac
30*3117ece4Schristos  awk 'BEGIN{for(i='$start';i<='$final';i++) print i}' < /dev/null
31*3117ece4Schristos}
32*3117ece4Schristos
33*3117ece4Schristosseq 40 > in || framework_failure_
34*3117ece4Schristosgzip < in > in.gz || framework_failure_
35*3117ece4Schristosseq 2 32 > exp || framework_failure_
36*3117ece4Schristos
37*3117ece4Schristos: ${GREP=grep}
38*3117ece4Schristos$GREP -15 17 - < in > out && compare exp out || {
39*3117ece4Schristos  echo >&2 "$0: $GREP does not support context options; skipping this test"
40*3117ece4Schristos  exit 77
41*3117ece4Schristos}
42*3117ece4Schristos
43*3117ece4Schristosfail=0
44*3117ece4Schristoszgrep -15 17 - < in.gz > out || fail=1
45*3117ece4Schristoscompare exp out || fail=1
46*3117ece4Schristos
47*3117ece4SchristosExit $fail
48