1 files changed, 87 insertions, 0 deletions
diff --git a/tests/misc/head.pl b/tests/misc/head.pl
new file mode 100755
index 0000000..acfedf0
--- /dev/null
+++ b/tests/misc/head.pl
@@ -0,0 +1,87 @@
+#!/usr/bin/perl
+# test head
+
+# Copyright (C) 2008-2020 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 $prog = 'head';
+
+# Turn off localization of executable's output.
+@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+
+my $in = join ('', map { "$_\n" } 0..600);
+my $in_1024 = substr $in, 0, 1024;
+
+# FIXME: set this properly
+my $x32_bit_long = 0;
+
+my @Tests =
+(
+  ['idem-0', {IN=>''}, {OUT=>''}],
+  ['idem-1', {IN=>'a'}, {OUT=>'a'}],
+  ['idem-2', {IN=>"\n"}, {OUT=>"\n"}],
+  ['idem-3', {IN=>"a\n"}, {OUT=>"a\n"}],
+
+  ['basic-10',
+   {IN=>"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n"},
+   {OUT=>"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n"}],
+
+  ['basic-09',
+   {IN=>"1\n2\n3\n4\n5\n6\n7\n8\n9\n"},
+   {OUT=>"1\n2\n3\n4\n5\n6\n7\n8\n9\n"}],
+
+  ['basic-11',
+   {IN=>"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\nb\n"},
+   {OUT=>"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n"}],
+
+  ['obs-0', '-1', {IN=>"1\n2\n"}, {OUT=>"1\n"}],
+  ['obs-1', '-1c', {IN=>''}, {OUT=>''}],
+  ['obs-2', '-1c', {IN=>'12'}, {OUT=>'1'}],
+  ['obs-3', '-14c', {IN=>'1234567890abcdefg'}, {OUT=>'1234567890abcd'}],
+  ['obs-4', '-2b', {IN=>$in}, {OUT=>$in_1024}],
+  ['obs-5', '-1k', {IN=>$in}, {OUT=>$in_1024}],
+
+  # This test fails for textutils-1.22, because head let 4096m overflow to 0
+  # and did not fail.  Now head fails with a diagnostic.
+  # Disable this test because it fails on systems with 64-bit uintmax_t.
+  # ['fail-0', qw(-n 4096m), {IN=>"a\n"}, {EXIT=>1}],
+
+  # In spite of its name, this test passes -- just to contrast with the above.
+  ['fail-1', qw(-n 2048m), {IN=>"a\n"}, {OUT=>"a\n"}],
+
+  # Make sure we don't break like AIX 4.3.1 on files with \0 in them.
+  ['null-1', {IN=>"a\0a\n"}, {OUT=>"a\0a\n"}],
+
+  # Make sure counts are interpreted as decimal.
+  # Before 2.0f, these would have been interpreted as octal
+  ['no-oct-1', '-08',  {IN=>"\n"x12}, {OUT=>"\n"x8}],
+  ['no-oct-2', '-010', {IN=>"\n"x12}, {OUT=>"\n"x10}],
+  ['no-oct-3', '-n 08', {IN=>"\n"x12}, {OUT=>"\n"x8}],
+  ['no-oct-4', '-c 08', {IN=>"\n"x12}, {OUT=>"\n"x8}],
+
+  # --zero-terminated
+  ['zero-1', '-z -n 1',  {IN=>"x\0y"}, {OUT=>"x\0"}],
+  ['zero-2', '-z -n 2',  {IN=>"x\0y"}, {OUT=>"x\0y"}],
+);
+
+@Tests = triple_test \@Tests;
+
+my $save_temps = $ENV{DEBUG};
+my $verbose = $ENV{VERBOSE};
+
+my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose);
+exit $fail;