diff --git a/src/tgbatest/Makefile.am b/src/tgbatest/Makefile.am
index 22fbe1c75..c2a926e3e 100644
--- a/src/tgbatest/Makefile.am
+++ b/src/tgbatest/Makefile.am
@@ -107,7 +107,9 @@ TESTS = \
   emptchkr.test \
   ltlcounter.test \
   spotlbtt.test \
+  ltlcheck.test \
   spotlbtt2.test \
+  ltlcheck2.test \
   complementation.test \
   randpsl.test \
   cycles.test
diff --git a/src/tgbatest/ltlcheck.test b/src/tgbatest/ltlcheck.test
new file mode 100755
index 000000000..d562da101
--- /dev/null
+++ b/src/tgbatest/ltlcheck.test
@@ -0,0 +1,54 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2012 Laboratoire de Recherche et
+# Développement de l'Epita (LRDE).
+#
+# This file is part of Spot, a model checking library.
+#
+# Spot 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.
+#
+# Spot 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/>.
+
+. ./defs
+
+ltl2tgba=../ltl2tgba
+
+../../bin/randltl -n 100 p1 p2 p3 p4 p5 p6 --tree-size 5..15 |
+../../bin/ltlcheck \
+  "$ltl2tgba -t -l %f > %T" \
+  "$ltl2tgba -t -l -R3b -r4 %f > %T" \
+  "$ltl2tgba -t -f %f > %T" \
+  "$ltl2tgba -t -f -y %f > %T" \
+  "$ltl2tgba -t -f -r4 %f > %T" \
+  "$ltl2tgba -t -f -R3 %f > %T" \
+  "$ltl2tgba -t -f -R3 -Rm %f > %T" \
+  "$ltl2tgba -t -f -R3 -RM %f > %T" \
+  "$ltl2tgba -t -l -R3b -Rm %f > %T" \
+  "$ltl2tgba -t -f -D %f > %T" \
+  "$ltl2tgba -t -f -D %f > %T" \
+  "$ltl2tgba -t -f -r4 -R3 -RDS %f > %T" \
+  "$ltl2tgba -t -f -r4 -R3 -RRS %f > %T" \
+  "$ltl2tgba -t -f -r4 -R3 -RIS %f > %T" \
+  "$ltl2tgba -t -f -r4 -R3 -RDS -DS %f > %T" \
+  "$ltl2tgba -t -f -x -p %f > %T" \
+  "$ltl2tgba -t -f -x -p -L %f > %T" \
+  "$ltl2tgba -t -f -x -p -D %f > %T" \
+  "$ltl2tgba -t -f -x -p -L -D %f > %T" \
+  "$ltl2tgba -t -taa -r4 %f > %T" \
+  "$ltl2tgba -t -taa -r4 -c %f > %T" \
+  "$ltl2tgba -t -taa -r4 -R3 -RDS %f > %T" > output.json
+
+# Disabled because too slow, and too big automata produced.
+# "$ltl2tgba -t -lo -r4 %f > %T"
+# "$ltl2tgba -t -lo -R3b -r4 %f > %T" \
+
+
diff --git a/src/tgbatest/ltlcheck2.test b/src/tgbatest/ltlcheck2.test
new file mode 100755
index 000000000..28ef70b4d
--- /dev/null
+++ b/src/tgbatest/ltlcheck2.test
@@ -0,0 +1,39 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2012 Laboratoire de Recherche et
+# Développement de l'Epita (LRDE).
+#
+# This file is part of Spot, a model checking library.
+#
+# Spot 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.
+#
+# Spot 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/>.
+
+. ./defs
+
+ltl2tgba=../../bin/ltl2tgba
+
+../../bin/randltl -P -n 100 p1 p2 p3 p4 p5 p6 --tree-size 5..15 |
+../../bin/ltlfilt --remove-wm |
+../../bin/ltlcheck \
+  "$ltl2tgba --lbtt --any --small %f > %T" \
+  "$ltl2tgba --lbtt --any --medium %f > %T" \
+  "$ltl2tgba --lbtt --any --high %f > %T" \
+  "$ltl2tgba --lbtt --deterministic --small %f > %T" \
+  "$ltl2tgba --lbtt --deterministic --medium %f > %T" \
+  "$ltl2tgba --lbtt --deterministic --high %f > %T" \
+  "$ltl2tgba --lbtt --high --small %f > %T" \
+  "$ltl2tgba --lbtt --high --medium %f > %T" \
+  "$ltl2tgba --lbtt --high --high %f > %T" > output.json
+
+
+