test minterms_of enumerator

* tests/core/minterm.cc, tests/core/minterm.test: New files.
* tests/core/.gitignore, tests/Makefile.am: Add them.

tests/core/minterm.test

@@ -0,0 +1,23 @@
+#!/bin/sh
+# -*- coding: utf-8 -*-
+# Copyright (C) 2021 Laboratoire de Recherche et Développement de l'Epita.
+#
+# 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
+
+set -e
+../minterm