1 files changed, 69 insertions, 0 deletions
diff --git a/tests/du/deref-args b/tests/du/deref-args
new file mode 100755
index 0000000..79225f5
--- /dev/null
+++ b/tests/du/deref-args
@@ -0,0 +1,69 @@
+#!/bin/sh
+# Ensure that --dereference-args (-D) gives reasonable names.
+# This test would fail for coreutils-5.0.91.
+
+# Copyright (C) 2003, 2004, 2005, 2006 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
+  du --version
+fi
+
+. $srcdir/../envvar-check
+
+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
+mkdir -p dir/a
+ln -s dir slink
+printf %65536s x > 64k
+ln -s 64k slink-to-64k
+
+if test $framework_failure = 1; then
+  echo "$0: failure in testing framework" 1>&2
+  (exit 1); exit 1
+fi
+
+fail=0
+
+du -D slink | sed 's/^[0-9][0-9]*	//' > out
+# Ensure that the trailing slash is preserved and handled properly.
+du -D slink/ | sed 's/^[0-9][0-9]*	//' >> out
+
+# Ensure that -D makes du dereference even symlinks to non-directories.
+# Be sure to use --apparent-size.  Otherwise, we'd get varying block counts
+# depending on file system type (e.g. 68 on ext3 vs. 64 on tmpfs and 72
+# on SELinux-enabled systems).
+du --apparent-size --block-size=1K -D slink-to-64k >> out
+cat <<\EOF > exp
+slink/a
+slink
+slink/a
+slink/
+64	slink-to-64k
+EOF
+
+cmp out exp || fail=1
+test $fail = 1 && diff out exp 2> /dev/null
+
+(exit $fail); exit $fail