1 files changed, 80 insertions, 0 deletions
diff --git a/tests/epp.at b/tests/epp.at
new file mode 100644
index 0000000..cf018e4
--- /dev/null
+++ b/tests/epp.at
@@ -0,0 +1,80 @@
+# This file is part of grecs  -*- Autotest -*-
+# Copyright (C) 2021-2022 Sergey Poznyakoff
+#
+# Grecs 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, or (at your option)
+# any later version.
+#
+# Grecs 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 Grecs.  If not, see <http://www.gnu.org/licenses/>.
+AT_SETUP([External preprocessor])
+
+AT_CHECK([m4 -s </dev/null 2>/dev/null || AT_SKIP_TEST],[0],[stdout])
+# On FreeBSD, m4 outputs a single '#line 1 "stdin"' line
+AT_CHECK([s=`sed -e '/^#line/d' stdout`; test -z "$s" || AT_SKIP_TEST])
+
+AT_CHECK([
+AT_DATA([input],
+[define(`X',`cupidatat non proident, sunt in culpa
+qui officia deserunt mollit')dnl
+Duis aute irure dolor X anim id est laborum.
+])
+gcfpp -pm4 input
+],
+[0],
+[#line 1 "input"
+Duis aute irure dolor cupidatat non proident, sunt in culpa
+qui officia deserunt mollit anim id est laborum.
+])
+
+AT_CHECK([
+AT_DATA([input],
+[define(`FWD',`forward {
+   address "$1";
+   dist $2;
+}')dnl
+id 1;
+FWD(foo, 10)
+test "end";
+])
+gcffmt -preproc=m4 input
+],
+[0],
+[.id: "1"
+.forward.address: "foo"
+.forward.dist: "10"
+.test: "end"
+])
+
+#
+# Check the pp-setup file
+#
+AT_CHECK([
+mkdir inc
+AT_DATA([inc/pp-setup],
+[define(`FWD',`forward {
+   address "$1";
+   dist $2;
+}')
+])
+
+AT_DATA([input],
+[foo X;
+FWD(bar,15)
+])
+
+gcffmt -preproc=m4 -I$(pwd)/inc input
+],
+[0],
+[.foo: "X"
+.forward.address: "bar"
+.forward.dist: "15"
+])
+
+AT_CLEANUP