135 lines
6.5 KiB
Perl
Executable file
135 lines
6.5 KiB
Perl
Executable file
#!/usr/bin/perl
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# Test "unexpand".
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# Copyright (C) 2000-2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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use strict;
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my $limits = getlimits ();
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(my $program_name = $0) =~ s|.*/||;
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# Turn off localization of executable's output.
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@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
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my $prog = 'unexpand';
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my @Tests =
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(
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['a1', {IN=> ' 'x 1 ."y\n"}, {OUT=> ' 'x 1 ."y\n"}],
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['a2', {IN=> ' 'x 2 ."y\n"}, {OUT=> ' 'x 2 ."y\n"}],
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['a3', {IN=> ' 'x 3 ."y\n"}, {OUT=> ' 'x 3 ."y\n"}],
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['a4', {IN=> ' 'x 4 ."y\n"}, {OUT=> ' 'x 4 ."y\n"}],
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['a5', {IN=> ' 'x 5 ."y\n"}, {OUT=> ' 'x 5 ."y\n"}],
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['a6', {IN=> ' 'x 6 ."y\n"}, {OUT=> ' 'x 6 ."y\n"}],
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['a7', {IN=> ' 'x 7 ."y\n"}, {OUT=> ' 'x 7 ."y\n"}],
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['a8', {IN=> ' 'x 8 ."y\n"}, {OUT=> "\ty\n"}],
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['aa-1', '-a', {IN=> 'w'.' 'x 1 ."y\n"}, {OUT=> 'w'.' 'x 1 ."y\n"}],
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['aa-2', '-a', {IN=> 'w'.' 'x 2 ."y\n"}, {OUT=> 'w'.' 'x 2 ."y\n"}],
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['aa-3', '-a', {IN=> 'w'.' 'x 3 ."y\n"}, {OUT=> 'w'.' 'x 3 ."y\n"}],
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['aa-4', '-a', {IN=> 'w'.' 'x 4 ."y\n"}, {OUT=> 'w'.' 'x 4 ."y\n"}],
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['aa-5', '-a', {IN=> 'w'.' 'x 5 ."y\n"}, {OUT=> 'w'.' 'x 5 ."y\n"}],
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['aa-6', '-a', {IN=> 'w'.' 'x 6 ."y\n"}, {OUT=> 'w'.' 'x 6 ."y\n"}],
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['aa-7', '-a', {IN=> 'w'.' 'x 7 ."y\n"}, {OUT=> "w\ty\n"}],
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['aa-8', '-a', {IN=> 'w'.' 'x 8 ."y\n"}, {OUT=> "w\t y\n"}],
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['b-1', '-t', '2,4', {IN=> " ."}, {OUT=>"\t\t ."}],
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# These would infloop prior to textutils-2.0d.
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['infloop-1', '-t', '1,2', {IN=> " \t\t .\n"}, {OUT=>"\t\t\t .\n"}],
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['infloop-2', '-t', '4,5', {IN=> ' 'x4 . "\t\t \n"}, {OUT=>"\t\t\t \n"}],
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['infloop-3', '-t', '2,3', {IN=> "x \t\t \n"}, {OUT=>"x\t\t\t \n"}],
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['infloop-4', '-t', '1,2', {IN=> " \t\t \n"}, {OUT=>"\t\t\t \n"}],
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['c-1', '-t', '1,2', {IN=> "x\t\t .\n"}, {OUT=>"x\t\t .\n"}],
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# -t implies -a
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# Feature addition (--first-only) prompted by a report from Jie Xu.
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['tabs-1', qw(-t 3), {IN=> " a b\n"}, {OUT=>"\ta\tb\n"}],
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['tabs-2', qw(-t 3 --first-only), {IN=> " a b\n"}, {OUT=>"\ta b\n"}],
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# blanks
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['blanks-1', qw(-t 1), {IN=> " b c d\n"}, {OUT=> "\tb\t\tc\t\t\td\n"}],
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['blanks-2', qw(-t 1), {IN=> "a \n"}, {OUT=> "a \n"}],
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['blanks-3', qw(-t 1), {IN=> "a \n"}, {OUT=> "a\t\t\n"}],
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['blanks-4', qw(-t 1), {IN=> "a \n"}, {OUT=> "a\t\t\t\n"}],
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['blanks-5', qw(-t 1), {IN=> "a "}, {OUT=> "a "}],
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['blanks-6', qw(-t 1), {IN=> "a "}, {OUT=> "a\t\t"}],
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['blanks-7', qw(-t 1), {IN=> "a "}, {OUT=> "a\t\t\t"}],
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['blanks-8', qw(-t 1), {IN=> " a a a\n"}, {OUT=> "\ta a\t\ta\n"}],
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['blanks-9', qw(-t 2), {IN=> " a a a\n"}, {OUT=> "\t a\ta\t a\n"}],
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['blanks-10', '-t', '3,4', {IN=> "0 2 4 6\t8\n"}, {OUT=> "0 2 4 6\t8\n"}],
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['blanks-11', '-t', '3,4', {IN=> " 4\n"}, {OUT=> "\t\t4\n"}],
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['blanks-12', '-t', '3,4', {IN=> "01 4\n"}, {OUT=> "01\t\t4\n"}],
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['blanks-13', '-t', '3,4', {IN=> "0 4\n"}, {OUT=> "0\t\t4\n"}],
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# POSIX says spaces should only follow tabs. Also a single
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# trailing space is not converted to a tab, when before
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# a field starting with non blanks
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['posix-1', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}],
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['posix-2', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}],
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['posix-3', '-a', {IN=> "1234567 \t1\n"}, {OUT=>"1234567\t\t1\n"}],
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['posix-4', '-a', {IN=> "1234567\t1\n"}, {OUT=>"1234567\t1\n"}],
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['posix-5', '-a', {IN=> "1234567 1\n"}, {OUT=>"1234567\t 1\n"}],
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['posix-6', '-a', {IN=> "1234567 1\n"}, {OUT=>"1234567 1\n"}],
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# It is debatable whether this test should require an environment
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# setting of e.g., _POSIX2_VERSION=1.
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['obs-ovflo', "-$limits->{UINTMAX_OFLOW}", {IN=>''}, {OUT=>''},
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{EXIT => 1}, {ERR => "$prog: tab stop value is too large\n"}],
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# Test input with backspaces '\b' ('bs1' is the baseline, without \b)
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# Note: If users report errors in these tests, copy&pasting results from
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# their terminate output might be confusing due to '\b' overriding
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# characters. For details see '\b' tests in 'expand.pl'.
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['bs1', '-a -t4', {IN=>"aa c\n"}, {OUT=>"aa\tc\n"}],
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['bs2', '-a -t4', {IN=>"aa\b c\n"}, {OUT=>"aa\b c\n"}],
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['bs3', '-a -t4', {IN=>"aa\b c\n"}, {OUT=>"aa\b\tc\n"}],
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['bs4', '-a -t3', {IN=>"aa\b c\n"}, {OUT=>"aa\b\tc\n"}],
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# Undocumented feature:
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# treat "unexpand -7" as "unexpand --first-only --tabs 7" ,
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# and "unexpand -90" as "unexpand --first-only --tabs 90",
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['u1', '-a -3', {IN=>"a b c"}, {OUT=>"a\tb\tc"}],
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['u2', '-a -4,9', {IN=>"a b c"}, {OUT=>"a\tb\tc"}],
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['u3', '-a -11', {IN=>"a b"}, {OUT=>"a\tb"}],
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# Test all digits (for full code coverage)
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['u4', '-a -2,6', {IN=>"a b c"}, {OUT=>"a b\tc"}],
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['u5', '-a -7', {IN=>"a b"}, {OUT=>"a\tb"}],
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['u6', '-a -8', {IN=>"a b"}, {OUT=>"a\tb"}],
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# This syntax is handled internally as "-3, -9"
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['u7', '-a -3,9', {IN=>"a b c"}, {OUT=>"a\tb\tc"}],
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# Default (without -a) is --first-only:
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['u8', '-3', {IN=>" a b"}, {OUT=>"\ta b"}],
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# Arguably this should minimize translation as is done on Solaris.
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# I.e., not modify the input. But since the result is equivalent,
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# and to be consistent in output with older versions, we output
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# a '\t' rather than a space for the second tab position.
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# For more detailed comparison with other implementations see:
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# https://lists.gnu.org/r/coreutils/2016-06/msg00015.html
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# https://lists.gnu.org/r/coreutils/2016-07/msg00011.html
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['ts1', '-t8,9', {IN=>"x\t \t y\n"}, {OUT=>"x\t\t\t y\n"}],
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# There is no ambiguity here. This should always be the output.
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['ts2', '-t5,8', {IN=>"x\t \t y\n"}, {OUT=>"x\t\t y\n"}],
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);
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my $save_temps = $ENV{DEBUG};
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my $verbose = $ENV{VERBOSE};
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my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
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exit $fail;
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