1 files changed, 48 insertions, 0 deletions
diff --git a/t/parallel-tests-once.sh b/t/parallel-tests-once.sh
new file mode 100755
index 000000000..53ee677fb
--- /dev/null
+++ b/t/parallel-tests-once.sh
@@ -0,0 +1,48 @@
+#! /bin/sh
+# Copyright (C) 2011-2012 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 2, 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/>.
+
+# Tests shouldn't be run multiple times by a simple "make check" in a
+# clean directory.  An early implementation of the '.trs' intermediate
+# files incurred a similar problem.
+
+am_parallel_tests=yes
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+TESTS = foo.test
+END
+
+cat > foo.test <<'END'
+#! /bin/sh
+test -f foo.run && Exit 1
+: > foo.run
+END
+chmod a+x foo.test
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE -a
+
+./configure
+
+$MAKE check
+test -f foo.run # Sanity check.
+
+: