1 files changed, 47 insertions, 0 deletions
diff --git a/tests/misc/sort-continue.sh b/tests/misc/sort-continue.sh
new file mode 100755
index 00000000..bd569d0d
--- /dev/null
+++ b/tests/misc/sort-continue.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+# Tests for file descriptor exhaustion.
+
+# Copyright (C) 2009-2013 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=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ sort
+
+# Skip the test when running under valgrind.
+( ulimit -n 6; sort 3<&- 4<&- 5<&- < /dev/null ) \
+  || skip_ 'fd-limited sort failed; are you running under valgrind?'
+
+for i in $(seq 31); do
+  echo $i | tee -a in > __test.$i || framework_failure_
+done
+
+# glob before ulimit to avoid issues on bash 3.2 on OS X 10.6.8 at least
+test_files=$(echo __test.*)
+
+(
+ ulimit -n 6
+ sort -n -m $test_files 3<&- 4<&- 5<&- < /dev/null > out
+) &&
+compare in out ||
+  { fail=1; echo 'file descriptor exhaustion not handled' 1>&2; }
+
+echo 32 | tee -a in > in1
+(
+ ulimit -n 6
+ sort -n -m $test_files - 3<&- 4<&- 5<&- < in1 > out
+) &&
+compare in out || { fail=1; echo 'stdin not handled properly' 1>&2; }
+
+Exit $fail