Add a test for macro functions.

test/test0002/macro_functions.c

@@ -0,0 +1,8 @@
+#define SUM(X,Y) (X) + (Y)
+#define DOUBLE(X) SUM (X, X)
+
+#define A (1)
+
+int main() {
+  return A + DOUBLE (2 * 3);
+}

test/test0002/proof.answer

@@ -0,0 +1 @@
+9aa535db4d55f66b4ebc5139fbac91127afe24c00c5422e9c15f0391189f8ca5  test/test0002/tmp/macro_functions.c

test/test0002/run_test.sh

@@ -0,0 +1,33 @@
+#! /bin/sh
+## Copyright (C) 2017 Jeremiah Orians
+## Copyright (C) 2020-2021 deesix <deesix@tuta.io>
+## This file is part of M2-Planet.
+##
+## M2-Planet 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.
+##
+## M2-Planet 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 M2-Planet.  If not, see <http://www.gnu.org/licenses/>.
+
+set -x
+
+TMPDIR="test/test0002/tmp"
+
+mkdir -p ${TMPDIR}
+
+# Build the test
+bin/M2-Mesoplanet \
+	-E \
+	-f test/test0002/macro_functions.c \
+	-o ${TMPDIR}/macro_functions.c \
+	|| exit 1
+
+sha256sum -c test/test0002/proof.answer || exit 2
+exit 0