1#!/bin/sh
2# Verify that chmod works correctly with odd option combinations.
3
4# Copyright (C) 2004-2023 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
19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ chmod
21
22
23# Each line in this list is a set of arguments, followed by :,
24# followed by the set of files it will attempt to chmod,
25# or empty if the usage is erroneous.
26# Many of these test cases are due to Glenn Fowler.
27# These test cases assume GNU behavior for "options" like -w.
28cases='
29  --         :
30  -- --      :
31  -- -- -- f : -- f
32  -- -- -w f : -w f
33  -- -- f    : f
34  -- -w      :
35  -- -w -- f : -- f
36  -- -w -w f : -w f
37  -- -w f    : f
38  -- f       :
39  -w         :
40  -w --      :
41  -w -- -- f : -- f
42  -w -- -w f : -w f
43  -w -- f    : f
44  -w -w      :
45  -w -w -- f : f
46  -w -w -w f : f
47  -w -w f    : f
48  -w f       : f
49  f          :
50  f --       :
51  f -w       : f
52  f f        :
53  u+gr f     :
54  ug,+x f    :
55'
56
57all_files=$(echo "$cases" | sed 's/.*://'|sort -u)
58
59old_IFS=$IFS
60IFS='
61'
62for case in $cases; do
63  IFS=$old_IFS
64  args=$(expr "$case" : ' *\(.*[^ ]\) *:')
65  files=$(expr "$case" : '.*: *\(.*\)')
66
67  case $files in
68  '')
69    touch -- $all_files || framework_failure_
70    returns_ 1 chmod $args 2>/dev/null || fail=1
71    ;;
72  ?*)
73    touch -- $files || framework_failure_
74    chmod $args || fail=1
75    for file in $files; do
76      # Test for misparsing args by creating all $files but $file.
77      # chmod has a bug if it succeeds even though $file is absent.
78      rm -f -- $all_files && touch -- $files && rm -- $file \
79          || framework_failure_
80      returns_ 1 chmod $args 2>/dev/null || fail=1
81    done
82    ;;
83  esac
84done
85
86Exit $fail
87