1 files changed, 37 insertions, 0 deletions
diff --git a/tests/df/df-P.sh b/tests/df/df-P.sh
new file mode 100755
index 0000000..f1ad167
--- /dev/null
+++ b/tests/df/df-P.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+# Ensure that df -P is not affected by BLOCK_SIZE settings
+
+# Copyright (C) 2007-2022 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_ df
+
+
+              df -P . > t1 || fail=1
+BLOCK_SIZE=1M df -P . > t2 || fail=1
+
+# Since file system utilization may be changing, compare only df's header line.
+# That records the block size.  E.g., for "1M", it would be:
+# Filesystem         1048576-blocks      Used Available Capacity Mounted on
+# while for 1K, it would be
+# Filesystem         1024-blocks      Used Available Capacity Mounted on
+
+head -n1 t1 > exp || fail=1
+head -n1 t2 > out || fail=1
+
+compare exp out || fail=1
+
+Exit $fail