1 files changed, 74 insertions, 0 deletions
diff --git a/tests/misc/od.pl b/tests/misc/od.pl
new file mode 100755
index 0000000..0ef1dc7
--- /dev/null
+++ b/tests/misc/od.pl
@@ -0,0 +1,74 @@
+#!/usr/bin/perl
+# Exercise od
+
+# Copyright (C) 2006-2022 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;
+
+# Use a file in /proc whose size is not likely to
+# change between the wc and od invocations.
+my $proc_file = '/proc/version';
+-f $proc_file
+  or $proc_file = '/dev/null';
+
+# Count the bytes in $proc_file, _by reading_.
+my $len = 0;
+open FH, '<', $proc_file
+  or die "$program_name: can't open '$proc_file' for reading: $!\n";
+while (defined (my $line = <FH>))
+  {
+    $len += length $line;
+  }
+close FH;
+my $proc_file_byte_count = $len;
+
+my @Tests =
+    (
+     # Skip the exact length of the input file.
+     # Up to coreutils-6.9, this would ignore the "-j 1".
+     ['j-bug1', '-c -j 1 -An', {IN=>{g=>'a'}}, {OUT=>''}],
+     ['j-bug2', '-c -j 2 -An', {IN=>{g=>'a'}}, {IN=>{h=>'b'}}, {OUT=>''}],
+     # Skip the sum of the lengths of the first three inputs.
+     ['j-bug3', '-c -j 3 -An', {IN=>{g=>'a'}}, {IN=>{h=>'b'}},
+                                               {IN=>{i=>'c'}}, {OUT=>''}],
+     # Skip the sum of the lengths of the first three inputs, printing the 4th.
+     ['j-bug4', '-c -j 3 -An', {IN=>{g=>'a'}}, {IN=>{h=>'b'}},
+                               {IN=>{i=>'c'}}, {IN=>{j=>'d'}}, {OUT=>"   d\n"}],
+
+     # Ensure that od -j doesn't fseek across a nonempty file in /proc,
+     # even if the kernel reports that the file has stat.st_size = 0.
+     ['j-proc', "-An -c -j $proc_file_byte_count $proc_file",
+                               {IN=>{f2=>'e'}}, {OUT=>"   e\n"}],
+
+     # Ensure that a large width does not cause trouble.
+     # From coreutils-7.0 through coreutils-8.21, these would print
+     # approximately 128KiB of padding.
+     ['wide-a',   '-a -w65537 -An', {IN=>{g=>'x'}}, {OUT=>"   x\n"}],
+     ['wide-c',   '-c -w65537 -An', {IN=>{g=>'x'}}, {OUT=>"   x\n"}],
+     ['wide-x', '-tx1 -w65537 -An', {IN=>{g=>'B'}}, {OUT=>" 42\n"}],
+    );
+
+my $save_temps = $ENV{DEBUG};
+my $verbose = $ENV{VERBOSE};
+
+my $prog = 'od';
+my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
+exit $fail;