1 files changed, 46 insertions, 0 deletions
diff --git a/tests/chmod/equals.sh b/tests/chmod/equals.sh
new file mode 100755
index 0000000..e3e8075
--- /dev/null
+++ b/tests/chmod/equals.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+# Make sure chmod mode arguments of the form A=B work properly.
+# Before fileutils-4.1.2, some of them didn't.
+# Also, before coreutils-5.3.1, =[ugo] sometimes didn't work.
+
+# Copyright (C) 2001-2018 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_ chmod
+
+touch f || framework_failure_
+
+
+expected_u=-rwx------
+expected_g=----rwx---
+expected_o=-------rwx
+
+for src in u g o; do
+  for dest in u g o; do
+    test $dest = $src && continue
+    chmod a=,$src=rwx,$dest=$src,$src= f || fail=1
+    actual_perms=$(ls -l f|cut -b-10)
+    expected_perms=$(eval 'echo $expected_'$dest)
+    test "$actual_perms" = "$expected_perms" || fail=1
+  done
+done
+
+umask 027
+chmod a=,u=rwx,=u f || fail=1
+actual_perms=$(ls -l f|cut -b-10)
+test "$actual_perms" = "-rwxr-x---" || fail=1
+
+Exit $fail