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-rwxr-xr-xtests/du/deref-args.sh48
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/du/deref-args.sh b/tests/du/deref-args.sh
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+++ b/tests/du/deref-args.sh
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+#!/bin/sh
+# Ensure that --dereference-args (-D) gives reasonable names.
+# This test would fail for coreutils-5.0.91.
+
+# Copyright (C) 2003-2012 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 <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+print_ver_ du
+
+mkdir -p dir/a || framework_failure_
+ln -s dir slink || framework_failure_
+printf %65536s x > 64k || framework_failure_
+ln -s 64k slink-to-64k || framework_failure_
+
+
+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
+
+compare exp out || fail=1
+
+Exit $fail