88 lines
2.9 KiB
Perl
Executable file
88 lines
2.9 KiB
Perl
Executable file
#!/usr/bin/perl
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# Test dd's skip and seek options.
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# Copyright (C) 2000-2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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use strict;
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(my $program_name = $0) =~ s|.*/||;
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# Turn off localization of executable's output.
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@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
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my $out = 'out';
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my @Tests =
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(
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[
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'sk-seek1',
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qw (bs=1 skip=1 seek=2 conv=notrunc count=3 status=noxfer of=@AUX@ < ),
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{IN=> '0123456789abcdef'},
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{AUX=> 'zyxwvutsrqponmlkji'},
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{OUT=> ''},
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{ERR=> "3+0 records in\n3+0 records out\n"},
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{CMP=> ['zy123utsrqponmlkji', {'@AUX@'=> undef}]},
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],
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[
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'sk-seek2',
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qw (bs=5 skip=1 seek=1 conv=notrunc count=1 status=noxfer of=@AUX@ < ),
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{IN=> '0123456789abcdef'},
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{AUX=> 'zyxwvutsrqponmlkji'},
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{OUT=> ''},
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{ERR=> "1+0 records in\n1+0 records out\n"},
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{CMP=> ['zyxwv56789ponmlkji', {'@AUX@'=> undef}]},
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],
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[
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'sk-seek3',
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qw (bs=5 skip=1 seek=1 count=1 status=noxfer of=@AUX@ < ),
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{IN=> '0123456789abcdef'},
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{AUX=> 'zyxwvutsrqponmlkji'},
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{OUT=> ''},
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{ERR=> "1+0 records in\n1+0 records out\n"},
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{CMP=> ['zyxwv56789', {'@AUX@'=> undef}]},
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],
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[
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# Before fileutils-4.0.45, the last 10 bytes of output
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# were these "\0\0\0\0\0\0\0\0 ".
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'block-sync-1', qw(ibs=10 cbs=10 status=noxfer), 'conv=block,sync', '<',
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{IN=> "01234567\nabcdefghijkl\n"},
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{OUT=> "01234567 abcdefghij "},
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{ERR=> "2+1 records in\n0+1 records out\n1 truncated record\n"},
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],
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[
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# Before coreutils-5.93, this would output just "c\n".
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'sk-seek4', qw(bs=1 skip=1 status=noxfer),
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{IN_PIPE=> "abc\n"},
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{OUT=> "bc\n"},
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{ERR=> "3+0 records in\n3+0 records out\n"},
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],
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[
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# Check that iseek and oseek aliases work too.
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'sk-seek5',
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qw (bs=1 iseek=1 oseek=2 conv=notrunc count=3 status=noxfer of=@AUX@ < ),
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{IN=> '0123456789abcdef'},
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{AUX=> 'zyxwvutsrqponmlkji'},
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{OUT=> ''},
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{ERR=> "3+0 records in\n3+0 records out\n"},
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{CMP=> ['zy123utsrqponmlkji', {'@AUX@'=> undef}]},
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],
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);
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my $save_temps = $ENV{DEBUG};
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my $verbose = $ENV{VERBOSE};
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my $prog = 'dd';
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my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
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exit $fail;
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