1 files changed, 110 insertions, 0 deletions
diff --git a/tests/chgrp/basic.sh b/tests/chgrp/basic.sh
new file mode 100755
index 0000000..c3c583a
--- /dev/null
+++ b/tests/chgrp/basic.sh
@@ -0,0 +1,110 @@
+#!/bin/sh
+# make sure chgrp is reasonable
+
+# Copyright (C) 2000-2022 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ chgrp
+require_membership_in_two_groups_
+require_local_dir_
+
+set _ $groups; shift
+g1=$1
+g2=$2
+mkdir d
+touch f f2 d/f3
+chgrp $g1 f || fail=1
+chgrp $g2 f || fail=1
+chgrp $g2 f2 || fail=1
+chgrp -R $g1 d || fail=1
+
+d_files='d d/f3'
+
+chgrp $g1 f || fail=1  ; test $(stat --p=%g f) = $g1 || fail=1
+chgrp $g2 f || fail=1  ; test $(stat --p=%g f) = $g2 || fail=1
+chgrp $g2 f || fail=1  ; test $(stat --p=%g f) = $g2 || fail=1
+chgrp '' f  || fail=1  ; test $(stat --p=%g f) = $g2 || fail=1
+chgrp $g1 f || fail=1  ; test $(stat --p=%g f) = $g1 || fail=1
+chgrp $g1 f || fail=1  ; test $(stat --p=%g f) = $g1 || fail=1
+chgrp --reference=f2 f ; test $(stat --p=%g f) = $g2 || fail=1
+
+chgrp -R $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g2:" || fail=1
+chgrp -R $g1 d ||fail=1; test $(stat --p=%g: $d_files) = "$g1:$g1:" || fail=1
+chgrp -R $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g2:" || fail=1
+chgrp -R $g1 d ||fail=1; test $(stat --p=%g: $d_files) = "$g1:$g1:" || fail=1
+chgrp $g2 d    ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g1:" || fail=1
+
+rm -f f
+touch f
+ln -s f symlink
+chgrp $g1 f
+test $(stat --printf=%g f) = $g1 || fail=1
+
+# This should not change the group of f.
+chgrp -h $g2 symlink
+test $(stat --printf=%g f) = $g1 || fail=1
+
+# Don't fail if chgrp failed to set the group of a symlink.
+# Some systems don't support that.
+test $(stat --printf=%g symlink) = $g2 ||
+  echo 'info: failed to set group of symlink' 1>&2
+
+chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
+
+# This *should* change the group of f.
+# Though note that the diagnostic is misleading in that
+# it says the 'group of 'symlink'' has been changed.
+chgrp $g1 symlink; test $(stat --printf=%g f) = $g1 || fail=1
+chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
+
+# If -R is specified without -H or L, -h is assumed.
+chgrp -h $g1 f symlink; test $(stat --printf=%g symlink) = $g1 || fail=1
+chgrp -R $g2 symlink
+chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
+
+# Make sure we can change the group of inaccessible files.
+chmod a-r f
+chown --from=:$g2 :$g1 f; test $(stat --printf=%g f) = $g1 || fail=1
+chmod 0 f
+chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
+
+# chown() must not be optimized away even when
+# the file's owner and group already have the desired value.
+rm -f f g
+touch f g
+chgrp $g1 f g
+chgrp $g2 g
+sleep 1
+chgrp $g1 f
+
+# The following no-change chgrp command is supposed to update f's ctime,
+# but on OpenBSD and Darwin 7.9.0-8.11.1 (aka MacOS X 10.3.9 - 10.4.11)
+# it appears to be a no-op for some file system types (at least NFS) so g's
+# ctime is more recent.  This is not a big deal;
+# this test works fine when the files are on a local file system (/tmp).
+chgrp '' f
+test "$(ls -C -c -t f g)" = 'f  g' || \
+  {
+    case $host_triplet in
+      *openbsd*) echo ignoring known OpenBSD-specific chgrp failure 1>&2 ;;
+      *darwin7.9.*|*darwin8.*)
+        echo ignoring known MacOS X-specific chgrp failure 1>&2 ;;
+      *) echo $host_triplet: no-change chgrp failed to update ctime 1>&2;
+            fail=1 ;;
+    esac
+  }
+
+Exit $fail