freebsd-skq/usr.bin/csplit/tests/csplit_test.sh
Conrad Meyer 48b644192d csplit(1): Fix extraneous output in edge case
When the input to csplit contains fewer lines than the number of matches
specified, extra output was mistakenly included in some output files.

Fix the bug and add a simple ATF regression test.

PR:		219024
Submitted by:	J.R. Oldroyd <fbsd at opal.com>
2017-05-08 15:51:29 +00:00

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# Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
atf_test_case lines_lt_count
lines_lt_count_head()
{
atf_set "descr" \
"Test an edge case where input has fewer lines than count"
}
lines_lt_count_body()
{
cat > expectfile00 << HERE
one
two
HERE
cat > expectfile01 << HERE
xxx 1
three
four
HERE
cat > expectfile02 << HERE
xxx 2
five
six
HERE
echo -e "one\ntwo\nxxx 1\nthree\nfour\nxxx 2\nfive\nsix" | \
csplit -k - '/xxx/' '{10}'
atf_check cmp expectfile00 xx00
atf_check cmp expectfile01 xx01
atf_check cmp expectfile02 xx02
}
atf_init_test_cases()
{
atf_add_test_case lines_lt_count
}