1 files changed, 113 insertions, 0 deletions
diff --git a/tests/du/basic b/tests/du/basic
new file mode 100755
index 0000000..665a416
--- /dev/null
+++ b/tests/du/basic
@@ -0,0 +1,113 @@
+#!/bin/sh
+# Compare actual numbers from du, assuming block size matches mine.
+
+# Copyright (C) 2003, 2006-2007 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
+  du --version
+fi
+
+# DU_BLOCK_SIZE could cause problems
+. $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
+mkdir -p a/b d d/sub || framework_failure=1
+
+# Ensure that these files contain more than 64 bytes, so that we don't
+# immediately disqualify file systems (e.g., NetApp) on which smaller
+# files take up zero disk blocks.
+printf '%*s' 257 make-sure-the-file-is-non-empty > a/b/F || framework_failure=1
+printf %4096s x > d/1
+cp d/1 d/sub/2
+
+if test $framework_failure = 1; then
+  echo "$0: failure in testing framework" 1>&2
+  (exit 1); exit 1
+fi
+
+fail=0
+
+B=`stat --format=%B a/b/F`
+
+du --block-size=$B -a a > out || fail=1
+echo === >> out
+du --block-size=$B -a -S a >> out || fail=1
+echo === >> out
+du --block-size=$B -s a >> out || fail=1
+
+f=`stat --format=%b a/b/F`
+b=`stat --format=%b a/b`
+a=`stat --format=%b a`
+bf=`expr $b + $f`
+tot=`expr $bf + $a`
+
+cat <<EOF | sed 's/ *#.*//' > exp
+$f	a/b/F
+$bf	a/b
+$tot	a
+===
+$f	a/b/F   # size of file, a/b/F
+$bf	a/b     # size of dir entry, a/b, + size of file, a/b/F
+$a	a       # size of dir entry, a
+===
+$tot	a
+EOF
+
+cmp out exp || fail=1
+test $fail = 1 && diff -u out exp 2> /dev/null
+
+# Perform this test only if "." is on a local file system.
+# Otherwise, it would fail e.g., on an NFS-mounted Solaris ZFS file system.
+if df --local . >/dev/null 2>&1; then
+  rm -f out exp
+  du --block-size=$B -a d | sort -r -k2,2 > out || fail=1
+  echo === >> out
+  du --block-size=$B -S d | sort -r -k2,2 >> out || fail=1
+
+  t2=`stat --format=%b d/sub/2`
+  ts=`stat --format=%b d/sub`
+  t1=`stat --format=%b d/1`
+  td=`stat --format=%b d`
+  tot=`expr $t1 + $t2 + $ts + $td`
+  d1=`expr $td + $t1`
+  s2=`expr $ts + $t2`
+
+  cat <<EOF | sed 's/ *#.*//' > exp
+$t2	d/sub/2
+$s2	d/sub
+$t1	d/1
+$tot	d
+===
+$s2	d/sub
+$d1	d           # d + d/1; don't count the dir. entry for d/sub
+EOF
+
+  cmp out exp || fail=1
+  test $fail = 1 && diff out exp 2> /dev/null
+fi
+
+(exit $fail); exit $fail