1#!/usr/bin/perl
2# Exercise dd's conv=unblock mode
3
4# Copyright (C) 2009-2023 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
19use strict;
20
21(my $program_name = $0) =~ s|.*/||;
22
23# Turn off localization of executable's output.
24@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
25my $out = 'out';
26
27my @t =
28  (
29   # An empty test name signals that these are the arguments to use for the
30   # following tests.
31   ['', [qw (cbs=3 conv=unblock status=noxfer < )]],
32   ['0', '', ''],
33   ['1', "a\n  ", "a\n\n\n"],
34   ['2', "a\n ",  "a\n\n"],
35   ['3', "a  ",   "a\n"],
36   ['4', "a \n ", "a \n\n\n"],
37   ['5', "a \n",  "a \n\n"],
38   ['6', "a   ",  "a\n\n"],
39   ['7', "a  \n", "a\n\n\n"],
40  );
41
42my @Tests;
43my $args;
44foreach my $t (@t)
45  {
46    $t->[0] eq ''
47      and $args = $t->[1], next;
48
49    push @Tests, [$t->[0], @$args, {IN=>$t->[1]}, {OUT=>$t->[2]},
50                  {ERR_SUBST=>'s/^\d+\+\d+ records (?:in|out)$//'},
51                  {ERR=>"\n\n"}];
52  }
53
54my $save_temps = $ENV{DEBUG};
55my $verbose = $ENV{VERBOSE};
56
57my $prog = 'dd';
58my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
59exit $fail;
60