*** empty log message ***

diff --git a/tests/du/basic b/tests/du/basic
new file mode 100755 (executable)
index 0000000..121ef0e
--- /dev/null
+++ b/tests/du/basic
@@ -0,0 +1,55 @@
+#!/bin/sh
+# compare actual numbers, assuming block size matches mine
+
+if test "$VERBOSE" = yes; then
+  set -x
+  du --version
+fi
+
+# DU_BLOCK_SIZE could cause problems
+. $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 a/b || framework_failure=1
+echo make-sure-the-file-is-non-empty > a/b/c || framework_failure=1
+
+if test $framework_failure = 1; then
+  echo "$0: failure in testing framework" 1>&2
+  (exit 1); exit 1
+fi
+
+if test "`stat --format=%bx%B a`" != 8x512; then
+  echo "$0: different block count/size, so skipping this test" 1>&2
+  (exit 77); exit 77
+fi
+
+fail=0
+
+du -a a > out || fail=1
+echo === >> out
+du -aS a >> out || fail=1
+echo === >> out
+du -s a >> out || fail=1
+cat <<\EOF > exp
+4      a/b/c
+8      a/b
+12     a
+===
+4      a/b/c
+8      a/b
+4      a
+===
+12     a
+EOF
+
+cmp out exp || fail=1
+test $fail = 1 && diff out exp 2> /dev/null
+
+(exit $fail); exit $fail