1#!/usr/bin/perl
2# Make sure that rm -r '' fails.
3
4# Copyright (C) 1998-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19# On SunOS 4.1.3, running rm -r '' in a nonempty directory may
20# actually remove files with names of entries in the current directory
21# but relative to '/' rather than relative to the current directory.
22
23use strict;
24
25(my $program_name = $0) =~ s|.*/||;
26
27# Turn off localization of executable's output.
28@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
29
30my $prog = 'rm';
31
32# FIXME: copied from misc/ls-misc; factor into Coreutils.pm?
33sub mk_file(@)
34{
35  foreach my $f (@_)
36    {
37      open (F, '>', $f) && close F
38        or die "creating $f: $!\n";
39    }
40}
41
42my @Tests =
43    (
44     # test-name options input expected-output
45     #
46     ['empty-name-1', "''", {EXIT => 1},
47      {ERR => "$prog: cannot remove '': No such file or directory\n"}],
48
49     ['empty-name-2', "a '' b", {EXIT => 1},
50      {ERR => "$prog: cannot remove '': No such file or directory\n"},
51      {PRE => sub { mk_file qw(a b) }},
52      {POST => sub {-f 'a' || -f 'b' and die "a or b remain\n" }},
53     ],
54    );
55
56my $save_temps = $ENV{SAVE_TEMPS};
57my $verbose = $ENV{VERBOSE};
58
59my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
60exit $fail;
61