Add a test for today's df -P fix.

* tests/misc/df-P: New file.
* tests/misc/Makefile.am (TESTS): Add df-P.

3 files changed, 67 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 017540652..56580a0a4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,12 @@
 	affected by DF_BLOCK_SIZE, BLOCK_SIZE, or BLOCKSIZE.
 	* src/df.c (main): Implement this.
 
+2007-02-27  Jim Meyering  <jim@meyering.net>
+
+	Add a test for the above.
+	* tests/misc/df-P: New file.
+	* tests/misc/Makefile.am (TESTS): Add df-P.
+
 2007-02-25  Jim Meyering  <jim@meyering.net>
 
 	* Makefile.maint (announcement): Adjust so that it works with
diff --git a/tests/misc/Makefile.am b/tests/misc/Makefile.am
index 437285075..5ecd4516f 100644
--- a/tests/misc/Makefile.am
+++ b/tests/misc/Makefile.am
@@ -39,6 +39,7 @@ TESTS_ENVIRONMENT = \
 # will execute the test script rather than the standard utility.
 
 TESTS = \
+  df-P \
   pwd-unreadable-parent \
   cut \
   wc-files0-from \
diff --git a/tests/misc/df-P b/tests/misc/df-P
new file mode 100644
index 000000000..3a5ec9b97
--- /dev/null
+++ b/tests/misc/df-P
@@ -0,0 +1,60 @@
+#!/bin/sh
+# Ensure that df -P is not affected by BLOCK_SIZE settings
+
+# Copyright (C) 2007 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.
+
+if test "$VERBOSE" = yes; then
+  set -x
+  df --version
+fi
+
+. $srcdir/../envvar-check
+. $srcdir/../lang-default
+
+pwd=`pwd`
+t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
+trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
+trap '(exit $?); exit $?' 1 2 13 15
+
+framework_failure=0
+mkdir -p $tmp || framework_failure=1
+cd $tmp || framework_failure=1
+
+if test $framework_failure = 1; then
+  echo "$0: failure in testing framework" 1>&2
+  (exit 1); exit 1
+fi
+
+fail=0
+
+              df -P . > t1 || fail=1
+BLOCK_SIZE=1M df -P . > t2 || fail=1
+
+# Since disk 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
+
+cmp out exp || fail=1
+test $fail = 1 && diff out exp 2> /dev/null
+
+(exit $fail); exit $fail