From 1bcc24f34f180573bac22f8b2db8978ac52e6b45 Mon Sep 17 00:00:00 2001
From: Ian Piumarta <piumarta@gmail.com>
Date: Tue, 6 Jul 2021 16:02:57 +0900
Subject: [PATCH] Makefile has target "test".  Add reference output for test.

---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index d649f29..b742c44 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,10 @@ MAIN = ccmeta
 
 all : $(MAIN)
 
+test : all .FORCE
+	./$(MAIN) < $(MAIN)-test.txt > $(MAIN)-test.out
+	diff $(MAIN)-test.ref $(MAIN)-test.out
+
 $(MAIN) : $(MAIN).c object.c buffer.h
 	$(CC) $(CFLAGS) -o $@ $@.c $(LDLIBS)
 
@@ -15,7 +19,7 @@ $(MAIN) : $(MAIN).c object.c buffer.h
 	mv $@.new $@
 
 tidy : .FORCE
-	rm -f *~
+	rm -f *~ $(MAIN)-test.out
 
 clean : .FORCE
 	rm -f $(MAIN) $(MAIN).c