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#!/bin/sh
# -*- perl -*-
# Exercise du's --files0-from option.
: ${PERL=perl}
: ${srcdir=.}
. $srcdir/../envvar-check
$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
}
exec $PERL -w -I$srcdir/.. -MCoreutils -- - <<\EOF
#/
require 5.003;
use strict;
(my $program_name = $0) =~ s|.*/||;
$ENV{PROG} = 'du';
# Turn off localization of executable's ouput.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
my @Tests =
(
# invalid extra command line argument
['f-extra-arg', '--files0-from=- no-such', {IN=>"a"}, {EXIT=>1},
{ERR => "du: extra operand `no-such'\n"
. "File operands cannot be combined with --files0-from.\n"
. "Try `du --help' for more information.\n"}
],
# missing input file
['missing', '--files0-from=missing', {EXIT=>1},
{ERR => "du: cannot open `missing' for reading: "
. "No such file or directory\n"}],
# empty input
['empty', '--files0-from=-'],
# empty input, from non-regular file
['empty-nonreg', '--files0-from=/dev/null'],
# one NUL
['nul-1', '--files0-from=-', '<', {IN=>"\0"}, {EXIT=>1},
{ERR => "du: -:1: invalid zero-length file name\n"}],
# two NULs
['nul-2', '--files0-from=-', '<', {IN=>"\0\0"}, {EXIT=>1},
{ERR => "du: -:1: invalid zero-length file name\n"
. "du: -:2: invalid zero-length file name\n"}],
# one file name, no NUL
['1', '--files0-from=-', '<',
{IN=>{f=>"g"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# one file name, with NUL
['1a', '--files0-from=-', '<',
{IN=>{f=>"g\0"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# two file names, no final NUL
['2', '--files0-from=-', '<',
{IN=>{f=>"g\0g"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# two file names, with final NUL
['2a', '--files0-from=-', '<',
{IN=>{f=>"g\0g\0"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# Ensure that du processes FILEs following a zero-length name.
['zero-len', '--files0-from=-', '<',
{IN=>{f=>"\0g\0"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'},
{ERR => "du: -:1: invalid zero-length file name\n"}, {EXIT=>1} ],
);
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $prog = $ENV{PROG} || die "$0: \$PROG not specified in environment\n";
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
EOF
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