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#!/usr/bin/perl
# Test "unexpand".
# Copyright (C) 2000-2015 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 <http://www.gnu.org/licenses/>.
use strict;
my $limits = getlimits ();
(my $program_name = $0) =~ s|.*/||;
# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
my $prog = 'unexpand';
my @Tests =
(
['a1', {IN=> ' 'x 1 ."y\n"}, {OUT=> ' 'x 1 ."y\n"}],
['a2', {IN=> ' 'x 2 ."y\n"}, {OUT=> ' 'x 2 ."y\n"}],
['a3', {IN=> ' 'x 3 ."y\n"}, {OUT=> ' 'x 3 ."y\n"}],
['a4', {IN=> ' 'x 4 ."y\n"}, {OUT=> ' 'x 4 ."y\n"}],
['a5', {IN=> ' 'x 5 ."y\n"}, {OUT=> ' 'x 5 ."y\n"}],
['a6', {IN=> ' 'x 6 ."y\n"}, {OUT=> ' 'x 6 ."y\n"}],
['a7', {IN=> ' 'x 7 ."y\n"}, {OUT=> ' 'x 7 ."y\n"}],
['a8', {IN=> ' 'x 8 ."y\n"}, {OUT=> "\ty\n"}],
['aa-1', '-a', {IN=> 'w'.' 'x 1 ."y\n"}, {OUT=> 'w'.' 'x 1 ."y\n"}],
['aa-2', '-a', {IN=> 'w'.' 'x 2 ."y\n"}, {OUT=> 'w'.' 'x 2 ."y\n"}],
['aa-3', '-a', {IN=> 'w'.' 'x 3 ."y\n"}, {OUT=> 'w'.' 'x 3 ."y\n"}],
['aa-4', '-a', {IN=> 'w'.' 'x 4 ."y\n"}, {OUT=> 'w'.' 'x 4 ."y\n"}],
['aa-5', '-a', {IN=> 'w'.' 'x 5 ."y\n"}, {OUT=> 'w'.' 'x 5 ."y\n"}],
['aa-6', '-a', {IN=> 'w'.' 'x 6 ."y\n"}, {OUT=> 'w'.' 'x 6 ."y\n"}],
['aa-7', '-a', {IN=> 'w'.' 'x 7 ."y\n"}, {OUT=> "w\ty\n"}],
['aa-8', '-a', {IN=> 'w'.' 'x 8 ."y\n"}, {OUT=> "w\t y\n"}],
['b-1', '-t', '2,4', {IN=> " ."}, {OUT=>"\t\t ."}],
# These would infloop prior to textutils-2.0d.
['infloop-1', '-t', '1,2', {IN=> " \t\t .\n"}, {OUT=>"\t\t\t .\n"}],
['infloop-2', '-t', '4,5', {IN=> ' 'x4 . "\t\t \n"}, {OUT=>"\t\t\t \n"}],
['infloop-3', '-t', '2,3', {IN=> "x \t\t \n"}, {OUT=>"x\t\t\t \n"}],
['infloop-4', '-t', '1,2', {IN=> " \t\t \n"}, {OUT=>"\t\t\t \n"}],
['c-1', '-t', '1,2', {IN=> "x\t\t .\n"}, {OUT=>"x\t\t .\n"}],
# -t implies -a
# Feature addition (--first-only) prompted by a report from Jie Xu.
['tabs-1', qw(-t 3), {IN=> " a b\n"}, {OUT=>"\ta\tb\n"}],
['tabs-2', qw(-t 3 --first-only), {IN=> " a b\n"}, {OUT=>"\ta b\n"}],
# blanks
['blanks-1', qw(-t 1), {IN=> " b c d\n"}, {OUT=> "\tb\t\tc\t\t\td\n"}],
['blanks-2', qw(-t 1), {IN=> "a \n"}, {OUT=> "a \n"}],
['blanks-3', qw(-t 1), {IN=> "a \n"}, {OUT=> "a\t\t\n"}],
['blanks-4', qw(-t 1), {IN=> "a \n"}, {OUT=> "a\t\t\t\n"}],
['blanks-5', qw(-t 1), {IN=> "a "}, {OUT=> "a "}],
['blanks-6', qw(-t 1), {IN=> "a "}, {OUT=> "a\t\t"}],
['blanks-7', qw(-t 1), {IN=> "a "}, {OUT=> "a\t\t\t"}],
['blanks-8', qw(-t 1), {IN=> " a a a\n"}, {OUT=> "\ta a\t\ta\n"}],
['blanks-9', qw(-t 2), {IN=> " a a a\n"}, {OUT=> "\t a\ta\t a\n"}],
['blanks-10', '-t', '3,4', {IN=> "0 2 4 6\t8\n"}, {OUT=> "0 2 4 6\t8\n"}],
['blanks-11', '-t', '3,4', {IN=> " 4\n"}, {OUT=> "\t\t4\n"}],
['blanks-12', '-t', '3,4', {IN=> "01 4\n"}, {OUT=> "01\t\t4\n"}],
['blanks-13', '-t', '3,4', {IN=> "0 4\n"}, {OUT=> "0\t\t4\n"}],
# POSIX says spaces should only follow tabs. Also a single
# trailing space is not converted to a tab, when before
# a field starting with non blanks
['posix-1', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}],
['posix-2', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}],
['posix-3', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}],
['posix-4', '-a', {IN=> "1234567\t1\n"}, {OUT=>"1234567\t1\n"}],
['posix-5', '-a', {IN=> "1234567 1\n"}, {OUT=>"1234567\t 1\n"}],
['posix-6', '-a', {IN=> "1234567 1\n"}, {OUT=>"1234567 1\n"}],
# It is debatable whether this test should require an environment
# setting of e.g., _POSIX2_VERSION=1.
['obs-ovflo', "-$limits->{UINTMAX_OFLOW}", {IN=>''}, {OUT=>''},
{EXIT => 1}, {ERR => "$prog: tab stop value is too large\n"}],
);
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
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