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Diffstat (limited to 'tests/tail/Test.pm')
| -rwxr-xr-x | tests/tail/Test.pm | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/tests/tail/Test.pm b/tests/tail/Test.pm new file mode 100755 index 0000000..056f3ae --- /dev/null +++ b/tests/tail/Test.pm @@ -0,0 +1,144 @@ +# Test "tail". + +# Copyright (C) 1997, 1998, 2002, 2004, 2005, 2006 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 2 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, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +package Test; +require 5.002; +use strict; + +my @tv = ( +# test name, options, input, expected output, expected return code +# +['obs-plus-c1', '+2c', 'abcd', 'bcd', 0], +['obs-plus-c2', '+8c', 'abcd', '', 0], +['obs-c3', '-1c', 'abcd', 'd', 0], +['obs-c4', '-9c', 'abcd', 'abcd', 0], +['obs-c5', '-12c', 'x' . ('y' x 12) . 'z', ('y' x 11) . 'z', 0], + + +['obs-l1', '-1l', 'x', 'x', 0], +['obs-l2', '-1l', "x\ny\n", "y\n", 0], +['obs-l3', '-1l', "x\ny", "y", 0], +['obs-plus-l4', '+1l', "x\ny\n", "x\ny\n", 0], +['obs-plus-l5', '+2l', "x\ny\n", "y\n", 0], + +# Same as -l tests, but without the `l'. +['obs-1', '-1', 'x', 'x', 0], +['obs-2', '-1', "x\ny\n", "y\n", 0], +['obs-3', '-1', "x\ny", "y", 0], +['obs-plus-4', '+1', "x\ny\n", "x\ny\n", 0], +['obs-plus-5', '+2', "x\ny\n", "y\n", 0], + +# This is equivalent to +10c +['obs-plus-x1', '+c', 'x' . ('y' x 10) . 'z', 'yyz', 0], +# This is equivalent to +10l +['obs-plus-x2', '+l', "x\n" . ("y\n" x 10) . 'z', "y\ny\nz", 0], +# With no number, this is like -10l +['obs-l', '-l', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], + +['obs-b', '-b', "x\n" x (512 * 10 / 2 + 1), "x\n" x (512 * 10 / 2), 0], + +# This should get +# `tail: cannot open `+cl' for reading: No such file or directory' +['err-1', '+cl', '', '', 1], + +# This should get `tail: l: invalid number of bytes' +['err-2', '-cl', '', '', 1], + +# This should get +# `tail: cannot open `+2cz' for reading: No such file or directory' +['err-3', '+2cz', '', '', 1], + +# This should get `tail: invalid option -- 2' +['err-4', '-2cX', '', '', 1], + +# Since the number is larger than 2^64, this should provoke +# the diagnostic: `tail: 99999999999999999999: invalid number of bytes' +# on all systems... probably, for now, maybe. +['err-5', '-c99999999999999999999', '', '', 1], +['err-6', '-c', '', '', 1], + +# Same as -n 10 +['minus-1', '-', '', '', 0], +['minus-2', '-', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], + +['c-2', '-c 2', "abcd\n", "d\n", 0], +['c-2-minus', '-c 2 --', "abcd\n", "d\n", 0], +['c2', '-c2', "abcd\n", "d\n", 0], +['c2-minus', '-c2 --', "abcd\n", "d\n", 0], + +['n-1', '-n 10', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], +['n-2', '-n -10', "x\n" . ("y\n" x 10) . 'z', ("y\n" x 9) . 'z', 0], +['n-3', '-n +10', "x\n" . ("y\n" x 10) . 'z', "y\ny\nz", 0], + +# Accept +0 as synonym for +1. +['n-4', '-n +0', "y\n" x 5, "y\n" x 5, 0], +['n-4a', '-n +1', "y\n" x 5, "y\n" x 5, 0], + +# Note that -0 is *not* a synonym for -1. +['n-5', '-n -0', "y\n" x 5, '', 0], +['n-5a', '-n -1', "y\n" x 5, "y\n", 0], +['n-5b', '-n 0', "y\n" x 5, '', 0], + +# With textutils-1.22, this failed. +['f-pipe-1', '-f -n 1', "a\nb\n", "b\n", 0], +); + +sub test_vector +{ + my $t; + foreach $t (@tv) + { + my ($test_name, $flags, $in, $exp, $ret) = @$t; + + if ($test_name =~ /^(obs-plus-|minus-)/) + { + $Test::env{$test_name} = ['_POSIX2_VERSION=199209']; + } + if ($test_name =~ /^(err-6|c-2)$/) + { + $Test::env{$test_name} = ['_POSIX2_VERSION=200112']; + } + if ($test_name =~ /^f-pipe-/) + { + $Test::env{$test_name} = ['POSIXLY_CORRECT=1']; + } + + # If you run the minus* tests with a FILE arg they'd hang. + # If you run the err-1 or err-3 tests with a FILE, they'd misinterpret + # the arg unless we are using the obsolete form. + if ($test_name =~ /^(minus|err-[13])/) + { + $Test::input_via{$test_name} = {REDIR => 0, PIPE => 0}; + } + elsif ($test_name =~ /^f-/) + { + # Using redirection or a file would make this hang. + $Test::input_via{$test_name} = {PIPE => 0}; + } + else + { + $Test::input_via{$test_name} = {REDIR => 0, FILE => 0, PIPE => 0} + } + } + + return @tv; +} + +1; |