File size: 6,871 Bytes
78d2150 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | #!/usr/bin/perl
# Test "unexpand".
# Copyright (C) 2000-2025 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"}],
# These would overflow a heap buffer from v8.28 - v9.8 inclusive
['blanks-ext1', '-t', '3,+6', {IN=> "\t "}, {OUT=> "\t\t"}],
['blanks-ext2', '-t', '3,/9', {IN=> "\t "}, {OUT=> "\t\t"}],
# 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;
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