#!/usr/bin/perl # Test tail. # Copyright (C) 2008-2017 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 . use strict; my $prog = 'tail'; my $normalize_strerror = "s/': .*/'/"; # Turn off localization of executable's output. @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3; my @tv = ( # test name, options, input, expected output, expected return code # ['obs-plus-c1', '+2c', 'abcd', 'bcd', 0], ['obs-plus-c2', '+8c', 'abcd', '', 0], ['obs-c3', '-1c', 'abcd', 'd', 0], ['obs-c4', '-9c', 'abcd', 'abcd', 0], ['obs-c5', '-12c', 'x' . ('y' x 12) . 'z', ('y' x 11) . 'z', 0], ['obs-l1', '-1l', 'x', 'x', 0], ['obs-l2', '-1l', "x\ny\n", "y\n", 0], ['obs-l3', '-1l', "x\ny", "y", 0], ['obs-plus-l4', '+1l', "x\ny\n", "x\ny\n", 0], ['obs-plus-l5', '+2l', "x\ny\n", "y\n", 0], # Same as -l tests, but without the 'l'. ['obs-1', '-1', 'x', 'x', 0], ['obs-2', '-1', "x\ny\n", "y\n", 0], ['obs-3', '-1', "x\ny", "y", 0], ['obs-plus-4', '+1', "x\ny\n", "x\ny\n", 0], ['obs-plus-5', '+2', "x\ny\n", "y\n", 0], # This is equivalent to +10c ['obs-plus-x1', '+c', 'x' . ('y' x 10) . 'z', 'yyz', 0], # This is equivalent to +10l ['obs-plus-x2', '+l', "x\n" . ("y\n" x 10) . 'z', "y\ny\nz", 0], # With no number, this is like -10l ['obs-l', '-l', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], ['obs-b', '-b', "x\n" x (512 * 10 / 2 + 1), "x\n" x (512 * 10 / 2), 0], ['err-1', '+cl', '', '', 1, "$prog: cannot open '+cl' for reading: No such file or directory\n"], ['err-2', '-cl', '', '', 1, "$prog: invalid number of bytes: 'l'\n", $normalize_strerror], ['err-3', '+2cz', '', '', 1, "$prog: cannot open '+2cz' for reading: No such file or directory\n"], # This should get 'tail: invalid option -- 2' ['err-4', '-2cX', '', '', 1, "$prog: option used in invalid context -- 2\n"], # Since the number is larger than 2^64, this should provoke # the diagnostic: 'tail: 99999999999999999999: invalid number of bytes' # on all systems... probably, for now, maybe. ['err-5', '-c99999999999999999999', '', '', 1, "$prog: invalid number of bytes: '99999999999999999999'\n", $normalize_strerror], ['err-6', '-c --', '', '', 1, "$prog: invalid number of bytes: '-'\n", $normalize_strerror], # Same as -n 10 ['minus-1', '-', '', '', 0], ['minus-2', '-', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], ['c-2', '-c 2', "abcd\n", "d\n", 0], ['c-2-minus', '-c 2 --', "abcd\n", "d\n", 0], ['c2', '-c2', "abcd\n", "d\n", 0], ['c2-minus', '-c2 --', "abcd\n", "d\n", 0], ['n-1', '-n 10', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], ['n-2', '-n -10', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], ['n-3', '-n +10', "x\n" . ("y\n" x 10) . 'z', "y\ny\nz", 0], # Accept +0 as synonym for +1. ['n-4', '-n +0', "y\n" x 5, "y\n" x 5, 0], ['n-4a', '-n +1', "y\n" x 5, "y\n" x 5, 0], # Note that -0 is *not* a synonym for -1. ['n-5', '-n -0', "y\n" x 5, '', 0], ['n-5a', '-n -1', "y\n" x 5, "y\n", 0], ['n-5b', '-n 0', "y\n" x 5, '', 0], # With textutils-1.22, this failed. ['f-pipe-1', '-f -n 1', "a\nb\n", "b\n", 0], # --zero-terminated ['zero-1', '-z -n 1', "x\0y", "y", 0], ['zero-2', '-z -n 2', "x\0y", "x\0y", 0], ); my @Tests; foreach my $t (@tv) { my ($test_name, $flags, $in, $exp, $ret, $err_msg, $err_sub) = @$t; my $e = [$test_name, $flags, {IN=>$in}, {OUT=>$exp}]; $ret and push @$e, {EXIT=>$ret}, {ERR=>$err_msg}, {ERR_SUBST=>$err_sub}; $test_name =~ /^minus-/ and push @$e, {ENV=>'_POSIX2_VERSION=199209'}; $test_name =~ /^(err-6|c-2)$/ and push @$e, {ENV=>'_POSIX2_VERSION=200112'}; $test_name =~ /^obs-plus-/ and push @$e, {ENV=>'_POSIX2_VERSION=200809'}; $test_name =~ /^f-pipe-/ and push @$e, {ENV=>'POSIXLY_CORRECT=1'}; push @Tests, $e; } @Tests = triple_test \@Tests; # If you run the minus* tests with a FILE arg they'd hang. # If you run the err-1 or err-3 tests with a FILE, they'd misinterpret # the arg unless we are using the obsolete form. @Tests = grep { $_->[0] !~ /^(minus|err-[13])/ || $_->[0] =~ /\.[rp]$/ } @Tests; # Using redirection or a file would make this hang. @Tests = grep { $_->[0] !~ /^f-/ || $_->[0] =~ /\.p$/ } @Tests; my $save_temps = $ENV{DEBUG}; my $verbose = $ENV{VERBOSE}; my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose); exit $fail;