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#!/usr/bin/perl
# Test "unexpand".
# Copyright (C) 2000-2022 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 $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"}],
# Test input with backspaces '\b' ('bs1' is the baseline, without \b)
# Note: If users report errors in these tests, copy&pasting results from
# their terminate output might be confusing due to '\b' overriding
# characters. For details see '\b' tests in 'expand.pl'.
['bs1', '-a -t4', {IN=>"aa c\n"}, {OUT=>"aa\tc\n"}],
['bs2', '-a -t4', {IN=>"aa\b c\n"}, {OUT=>"aa\b c\n"}],
['bs3', '-a -t4', {IN=>"aa\b c\n"}, {OUT=>"aa\b\tc\n"}],
['bs4', '-a -t3', {IN=>"aa\b c\n"}, {OUT=>"aa\b\tc\n"}],
# Undocumented feature:
# treat "unexpand -7" as "unexpand --first-only --tabs 7" ,
# and "unexpand -90" as "unexpand --first-only --tabs 90",
['u1', '-a -3', {IN=>"a b c"}, {OUT=>"a\tb\tc"}],
['u2', '-a -4,9', {IN=>"a b c"}, {OUT=>"a\tb\tc"}],
['u3', '-a -11', {IN=>"a b"}, {OUT=>"a\tb"}],
# Test all digits (for full code coverage)
['u4', '-a -2,6', {IN=>"a b c"}, {OUT=>"a b\tc"}],
['u5', '-a -7', {IN=>"a b"}, {OUT=>"a\tb"}],
['u6', '-a -8', {IN=>"a b"}, {OUT=>"a\tb"}],
# This syntax is handled internally as "-3, -9"
['u7', '-a -3,9', {IN=>"a b c"}, {OUT=>"a\tb\tc"}],
# Default (without -a) is --first-only:
['u8', '-3', {IN=>" a b"}, {OUT=>"\ta b"}],
# Arguably this should minimize translation as is done on Solaris.
# I.e., not modify the input. But since the result is equivalent,
# and to be consistent in output with older versions, we output
# a '\t' rather than a space for the second tab position.
# For more detailed comparison with other implementations see:
# https://lists.gnu.org/r/coreutils/2016-06/msg00015.html
# https://lists.gnu.org/r/coreutils/2016-07/msg00011.html
['ts1', '-t8,9', {IN=>"x\t \t y\n"}, {OUT=>"x\t\t\t y\n"}],
# There is no ambiguity here. This should always be the output.
['ts2', '-t5,8', {IN=>"x\t \t y\n"}, {OUT=>"x\t\t y\n"}],
);
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
|
