New test, for functionality added to lib/ftw.c.

diff --git a/tests/du/no-x b/tests/du/no-x
new file mode 100755 (executable)
index 0000000..207d467
--- /dev/null
+++ b/tests/du/no-x
@@ -0,0 +1,40 @@
+#!/bin/sh
+# Make sure du gives the right diagnostic for a readable,
+# but inaccessible directory.
+
+if test "$VERBOSE" = yes; then
+  set -x
+  du --version
+fi
+
+. $srcdir/../lang-default
+PRIV_CHECK_ARG=require-non-root . $srcdir/../priv-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 d/no-x/y || framework_failure=1
+chmod u=rw d/no-x || framework_failure=1
+
+if test $framework_failure = 1; then
+  echo "$0: failure in testing framework" 1>&2
+  (exit 1); exit 1
+fi
+
+fail=0
+
+# This must exit nonzero.
+du d >/dev/null 2>out && fail=1
+cat <<\EOF > exp
+du: cannot change to directory `d/no-x': Permission denied
+EOF
+
+cmp out exp || fail=1
+test $fail = 1 && diff out exp 2> /dev/null
+
+(exit $fail); exit $fail