1 files changed, 43 insertions, 0 deletions
diff --git a/tests/du/fd-leak.sh b/tests/du/fd-leak.sh
new file mode 100755
index 0000000..9697d00
--- /dev/null
+++ b/tests/du/fd-leak.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+# check for file descriptor leak
+
+# Copyright (C) 2003-2022 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 <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ du
+
+# Call this an expensive test.  It's not that expensive, but command line
+# limitations might induce failure on some losing systems.
+expensive_
+
+# Create 1296 (36^2) files.
+# Their names and separating spaces take up 3887 bytes.
+x='a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9'
+f=
+for i in $x; do
+  for j in $x; do
+    f="$f $i$j"
+  done
+done
+
+# This may fail due to command line limitations.
+touch $f || framework_failure_
+
+
+# With coreutils-5.0, this would fail due to a file descriptor leak.
+du $f > out || fail=1
+
+Exit $fail