1#!/usr/bin/perl 2# Test "unexpand". 3 4# Copyright (C) 2000-2023 Free Software Foundation, Inc. 5 6# This program is free software: you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation, either version 3 of the License, or 9# (at your option) any later version. 10 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19use strict; 20 21my $limits = getlimits (); 22 23(my $program_name = $0) =~ s|.*/||; 24 25# Turn off localization of executable's output. 26@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3; 27 28my $prog = 'unexpand'; 29 30my @Tests = 31 ( 32 ['a1', {IN=> ' 'x 1 ."y\n"}, {OUT=> ' 'x 1 ."y\n"}], 33 ['a2', {IN=> ' 'x 2 ."y\n"}, {OUT=> ' 'x 2 ."y\n"}], 34 ['a3', {IN=> ' 'x 3 ."y\n"}, {OUT=> ' 'x 3 ."y\n"}], 35 ['a4', {IN=> ' 'x 4 ."y\n"}, {OUT=> ' 'x 4 ."y\n"}], 36 ['a5', {IN=> ' 'x 5 ."y\n"}, {OUT=> ' 'x 5 ."y\n"}], 37 ['a6', {IN=> ' 'x 6 ."y\n"}, {OUT=> ' 'x 6 ."y\n"}], 38 ['a7', {IN=> ' 'x 7 ."y\n"}, {OUT=> ' 'x 7 ."y\n"}], 39 ['a8', {IN=> ' 'x 8 ."y\n"}, {OUT=> "\ty\n"}], 40 41 ['aa-1', '-a', {IN=> 'w'.' 'x 1 ."y\n"}, {OUT=> 'w'.' 'x 1 ."y\n"}], 42 ['aa-2', '-a', {IN=> 'w'.' 'x 2 ."y\n"}, {OUT=> 'w'.' 'x 2 ."y\n"}], 43 ['aa-3', '-a', {IN=> 'w'.' 'x 3 ."y\n"}, {OUT=> 'w'.' 'x 3 ."y\n"}], 44 ['aa-4', '-a', {IN=> 'w'.' 'x 4 ."y\n"}, {OUT=> 'w'.' 'x 4 ."y\n"}], 45 ['aa-5', '-a', {IN=> 'w'.' 'x 5 ."y\n"}, {OUT=> 'w'.' 'x 5 ."y\n"}], 46 ['aa-6', '-a', {IN=> 'w'.' 'x 6 ."y\n"}, {OUT=> 'w'.' 'x 6 ."y\n"}], 47 ['aa-7', '-a', {IN=> 'w'.' 'x 7 ."y\n"}, {OUT=> "w\ty\n"}], 48 ['aa-8', '-a', {IN=> 'w'.' 'x 8 ."y\n"}, {OUT=> "w\t y\n"}], 49 50 ['b-1', '-t', '2,4', {IN=> " ."}, {OUT=>"\t\t ."}], 51 # These would infloop prior to textutils-2.0d. 52 53 ['infloop-1', '-t', '1,2', {IN=> " \t\t .\n"}, {OUT=>"\t\t\t .\n"}], 54 ['infloop-2', '-t', '4,5', {IN=> ' 'x4 . "\t\t \n"}, {OUT=>"\t\t\t \n"}], 55 ['infloop-3', '-t', '2,3', {IN=> "x \t\t \n"}, {OUT=>"x\t\t\t \n"}], 56 ['infloop-4', '-t', '1,2', {IN=> " \t\t \n"}, {OUT=>"\t\t\t \n"}], 57 ['c-1', '-t', '1,2', {IN=> "x\t\t .\n"}, {OUT=>"x\t\t .\n"}], 58 59 # -t implies -a 60 # Feature addition (--first-only) prompted by a report from Jie Xu. 61 ['tabs-1', qw(-t 3), {IN=> " a b\n"}, {OUT=>"\ta\tb\n"}], 62 ['tabs-2', qw(-t 3 --first-only), {IN=> " a b\n"}, {OUT=>"\ta b\n"}], 63 64 # blanks 65 ['blanks-1', qw(-t 1), {IN=> " b c d\n"}, {OUT=> "\tb\t\tc\t\t\td\n"}], 66 ['blanks-2', qw(-t 1), {IN=> "a \n"}, {OUT=> "a \n"}], 67 ['blanks-3', qw(-t 1), {IN=> "a \n"}, {OUT=> "a\t\t\n"}], 68 ['blanks-4', qw(-t 1), {IN=> "a \n"}, {OUT=> "a\t\t\t\n"}], 69 ['blanks-5', qw(-t 1), {IN=> "a "}, {OUT=> "a "}], 70 ['blanks-6', qw(-t 1), {IN=> "a "}, {OUT=> "a\t\t"}], 71 ['blanks-7', qw(-t 1), {IN=> "a "}, {OUT=> "a\t\t\t"}], 72 ['blanks-8', qw(-t 1), {IN=> " a a a\n"}, {OUT=> "\ta a\t\ta\n"}], 73 ['blanks-9', qw(-t 2), {IN=> " a a a\n"}, {OUT=> "\t a\ta\t a\n"}], 74 ['blanks-10', '-t', '3,4', {IN=> "0 2 4 6\t8\n"}, {OUT=> "0 2 4 6\t8\n"}], 75 ['blanks-11', '-t', '3,4', {IN=> " 4\n"}, {OUT=> "\t\t4\n"}], 76 ['blanks-12', '-t', '3,4', {IN=> "01 4\n"}, {OUT=> "01\t\t4\n"}], 77 ['blanks-13', '-t', '3,4', {IN=> "0 4\n"}, {OUT=> "0\t\t4\n"}], 78 79 # POSIX says spaces should only follow tabs. Also a single 80 # trailing space is not converted to a tab, when before 81 # a field starting with non blanks 82 ['posix-1', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}], 83 ['posix-2', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}], 84 ['posix-3', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}], 85 ['posix-4', '-a', {IN=> "1234567\t1\n"}, {OUT=>"1234567\t1\n"}], 86 ['posix-5', '-a', {IN=> "1234567 1\n"}, {OUT=>"1234567\t 1\n"}], 87 ['posix-6', '-a', {IN=> "1234567 1\n"}, {OUT=>"1234567 1\n"}], 88 89 # It is debatable whether this test should require an environment 90 # setting of e.g., _POSIX2_VERSION=1. 91 ['obs-ovflo', "-$limits->{UINTMAX_OFLOW}", {IN=>''}, {OUT=>''}, 92 {EXIT => 1}, {ERR => "$prog: tab stop value is too large\n"}], 93 94 95 # Test input with backspaces '\b' ('bs1' is the baseline, without \b) 96 # Note: If users report errors in these tests, copy&pasting results from 97 # their terminate output might be confusing due to '\b' overriding 98 # characters. For details see '\b' tests in 'expand.pl'. 99 ['bs1', '-a -t4', {IN=>"aa c\n"}, {OUT=>"aa\tc\n"}], 100 ['bs2', '-a -t4', {IN=>"aa\b c\n"}, {OUT=>"aa\b c\n"}], 101 ['bs3', '-a -t4', {IN=>"aa\b c\n"}, {OUT=>"aa\b\tc\n"}], 102 ['bs4', '-a -t3', {IN=>"aa\b c\n"}, {OUT=>"aa\b\tc\n"}], 103 104 # Undocumented feature: 105 # treat "unexpand -7" as "unexpand --first-only --tabs 7" , 106 # and "unexpand -90" as "unexpand --first-only --tabs 90", 107 ['u1', '-a -3', {IN=>"a b c"}, {OUT=>"a\tb\tc"}], 108 ['u2', '-a -4,9', {IN=>"a b c"}, {OUT=>"a\tb\tc"}], 109 ['u3', '-a -11', {IN=>"a b"}, {OUT=>"a\tb"}], 110 # Test all digits (for full code coverage) 111 ['u4', '-a -2,6', {IN=>"a b c"}, {OUT=>"a b\tc"}], 112 ['u5', '-a -7', {IN=>"a b"}, {OUT=>"a\tb"}], 113 ['u6', '-a -8', {IN=>"a b"}, {OUT=>"a\tb"}], 114 # This syntax is handled internally as "-3, -9" 115 ['u7', '-a -3,9', {IN=>"a b c"}, {OUT=>"a\tb\tc"}], 116 # Default (without -a) is --first-only: 117 ['u8', '-3', {IN=>" a b"}, {OUT=>"\ta b"}], 118 119 # Arguably this should minimize translation as is done on Solaris. 120 # I.e., not modify the input. But since the result is equivalent, 121 # and to be consistent in output with older versions, we output 122 # a '\t' rather than a space for the second tab position. 123 # For more detailed comparison with other implementations see: 124 # https://lists.gnu.org/r/coreutils/2016-06/msg00015.html 125 # https://lists.gnu.org/r/coreutils/2016-07/msg00011.html 126 ['ts1', '-t8,9', {IN=>"x\t \t y\n"}, {OUT=>"x\t\t\t y\n"}], 127 # There is no ambiguity here. This should always be the output. 128 ['ts2', '-t5,8', {IN=>"x\t \t y\n"}, {OUT=>"x\t\t y\n"}], 129 ); 130 131my $save_temps = $ENV{DEBUG}; 132my $verbose = $ENV{VERBOSE}; 133 134my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose); 135exit $fail; 136