1 files changed, 78 insertions, 0 deletions
diff --git a/tests/dd/skip-seek.pl b/tests/dd/skip-seek.pl
new file mode 100755
index 0000000..4cf4369
--- /dev/null
+++ b/tests/dd/skip-seek.pl
@@ -0,0 +1,78 @@
+#!/usr/bin/perl
+# Test dd's skip and seek options.
+
+# Copyright (C) 2000-2020 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+use strict;
+
+(my $program_name = $0) =~ s|.*/||;
+
+# Turn off localization of executable's output.
+@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+my $out = 'out';
+
+my @Tests =
+    (
+     [
+      'sk-seek1',
+      qw (bs=1 skip=1 seek=2 conv=notrunc count=3 status=noxfer of=@AUX@ < ),
+      {IN=> '0123456789abcdef'},
+      {AUX=> 'zyxwvutsrqponmlkji'},
+      {OUT=> ''},
+      {ERR=> "3+0 records in\n3+0 records out\n"},
+      {CMP=> ['zy123utsrqponmlkji', {'@AUX@'=> undef}]},
+     ],
+     [
+      'sk-seek2',
+      qw (bs=5 skip=1 seek=1 conv=notrunc count=1 status=noxfer of=@AUX@ < ),
+      {IN=> '0123456789abcdef'},
+      {AUX=> 'zyxwvutsrqponmlkji'},
+      {OUT=> ''},
+      {ERR=> "1+0 records in\n1+0 records out\n"},
+      {CMP=> ['zyxwv56789ponmlkji', {'@AUX@'=> undef}]},
+     ],
+     [
+      'sk-seek3',
+      qw (bs=5 skip=1 seek=1 count=1 status=noxfer of=@AUX@ < ),
+      {IN=> '0123456789abcdef'},
+      {AUX=> 'zyxwvutsrqponmlkji'},
+      {OUT=> ''},
+      {ERR=> "1+0 records in\n1+0 records out\n"},
+      {CMP=> ['zyxwv56789', {'@AUX@'=> undef}]},
+     ],
+     [
+      # Before fileutils-4.0.45, the last 10 bytes of output
+      # were these "\0\0\0\0\0\0\0\0  ".
+      'block-sync-1', qw(ibs=10 cbs=10 status=noxfer), 'conv=block,sync', '<',
+      {IN=> "01234567\nabcdefghijkl\n"},
+      {OUT=> "01234567  abcdefghij          "},
+      {ERR=> "2+1 records in\n0+1 records out\n1 truncated record\n"},
+     ],
+     [
+      # Before coreutils-5.93, this would output just "c\n".
+      'sk-seek4', qw(bs=1 skip=1 status=noxfer),
+      {IN_PIPE=> "abc\n"},
+      {OUT=> "bc\n"},
+      {ERR=> "3+0 records in\n3+0 records out\n"},
+     ],
+    );
+
+my $save_temps = $ENV{DEBUG};
+my $verbose = $ENV{VERBOSE};
+
+my $prog = 'dd';
+my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
+exit $fail;