tests: add test for parallel sort -u segfault bug

* tests/misc/sort-unique-segv: New file.
* tests/Makefile.am (TESTS): Add it.

2 files changed, 48 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index b3be4dfe5..d52f67737 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -239,6 +239,7 @@ TESTS =						\
   misc/sort-rand				\
   misc/sort-spinlock-abuse			\
   misc/sort-unique				\
+  misc/sort-unique-segv				\
   misc/sort-version				\
   misc/split-a					\
   misc/split-bchunk				\
diff --git a/tests/misc/sort-unique-segv b/tests/misc/sort-unique-segv
new file mode 100755
index 000000000..55a74147f
--- /dev/null
+++ b/tests/misc/sort-unique-segv
@@ -0,0 +1,47 @@
+#!/bin/sh
+# parallel sort with --unique (-u) would segfault
+
+# Copyright (C) 2010 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/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+print_ver_ sort
+
+test "$(nproc)" = 1 && skip_ "requires a multi-core system"
+
+cat <<\EOF > in || framework_failure_
+
+
+
+
+
+
+
+z
+zzzzzz
+zzzzzzz
+zzzzzzz
+zzzzzzz
+zzzzzzzzz
+zzzzzzzzzzz
+zzzzzzzzzzzz
+EOF
+
+sort --parallel=1 -u in > exp || fail=1
+
+sort --parallel=2 -u -S 10b < in > out || fail=1
+compare out exp || fail=1
+
+Exit $fail