From 875e0762e788301dcca836dbf32a6dad988ba41c Mon Sep 17 00:00:00 2001
From: mrdudz <mrdudz@users.noreply.github.com>
Date: Sat, 22 Nov 2014 19:45:40 +0100
Subject: [PATCH] generate reference output using host compiler, compare using
 diff, fix yacc input file to work on both host and sim65

---
 test/.gitignore   |  2 ++
 test/ref/Makefile | 36 +++++++++++++++++++++++++++---------
 test/ref/yacc.in  |  1 +
 3 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/test/.gitignore b/test/.gitignore
index ccdd4aef5..6ca887d5c 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -1,3 +1,5 @@
 *.o
 *.prg
 *.out
+*.host
+*.ref
diff --git a/test/ref/Makefile b/test/ref/Makefile
index 85cbb9bd8..88d54a296 100644
--- a/test/ref/Makefile
+++ b/test/ref/Makefile
@@ -9,9 +9,14 @@ CL65 := $(if $(wildcard ../../bin/cl65*),../../bin/cl65,cl65)
 SIM65 := $(if $(wildcard ../../bin/sim65*),../../bin/sim65,sim65)
 
 RM := rm -f
+DIFF := diff -q
+
+CFLAGS := -O2 -Wall -W -Wextra -fwrapv -fno-strict-overflow
 
 .PHONY: all
 
+REFS := $(patsubst %.c,%.ref,$(wildcard *.c))
+
 TESTS := $(patsubst %.c,%.prg,$(wildcard *.c))
 TESTS += $(patsubst %.c,%.o.prg,$(wildcard *.c))
 TESTS += $(patsubst %.c,%.os.prg,$(wildcard *.c))
@@ -21,42 +26,55 @@ TESTS += $(patsubst %.c,%.oi.prg,$(wildcard *.c))
 TESTS += $(patsubst %.c,%.oir.prg,$(wildcard *.c))
 TESTS += $(patsubst %.c,%.or.prg,$(wildcard *.c))
 
-all: $(TESTS)
+all: $(REFS) $(TESTS)
+
+%.ref: %.c
+	$(CC) $(CFLAGS) $< -o $*.host
+	./$*.host > $@
 
-%.prg: %.c
+%.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.o.prg: %.c
+%.o.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.os.prg: %.c
+%.os.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.osi.prg: %.c
+%.osi.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.osir.prg: %.c
+%.osir.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.oi.prg: %.c
+%.oi.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.oir.prg: %.c
+%.oir.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
-%.or.prg: %.c
+%.or.prg: %.c %.ref
 	$(CL65) $(CC65FLAGS) $< -o $@
 	$(SIM65) $(SIM65FLAGS) $@ > $*.out
+	$(DIFF) $*.out $*.ref
 
 clean:
 	@$(RM) *.o
 	@$(RM) *.prg
 	@$(RM) *.out
 	@$(RM) *.ref
+	@$(RM) *.host
diff --git a/test/ref/yacc.in b/test/ref/yacc.in
index 0b89df5d7..79e716878 100755
--- a/test/ref/yacc.in
+++ b/test/ref/yacc.in
@@ -1 +1,2 @@
 x=(e+1)*3/(3+7)
+
\ No newline at end of file
-- 
2.39.2