From a609a0d5e82a15ee43f71f0a19218c59e9556575 Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Sat, 27 Jun 2020 10:23:57 +0200
Subject: aktiviere Code-Coverage-Test

---
 csv-test.c |  4 ++--
 makefile   | 12 ++++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/csv-test.c b/csv-test.c
index ecf55cd..99325af 100644
--- a/csv-test.c
+++ b/csv-test.c
@@ -1,3 +1,5 @@
+#undef NDEBUG
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -6,8 +8,6 @@
 
 #include "csv.h"
 
-#undef NDEBUG
-
 #define FMEMOPEN(f, data) \
 	f = fmemopen(data, sizeof(data)-1, "r"); \
 	assert(f != NULL)
diff --git a/makefile b/makefile
index 38134b1..acf3564 100644
--- a/makefile
+++ b/makefile
@@ -2,9 +2,13 @@ include config.mk
 
 all: csv-test csv-perf seq-read
 
-csv-test: csv-test.c csv.o csv.h
-	$(CC) $(CFLAGS) -o $@ csv-test.c csv.o
-	./csv-test
+csv-test: csv-test.c csv.c csv.h
+	$(CC) $(CFLAGS) -fprofile-instr-generate -fcoverage-mapping -DNDEBUG -o $@ csv-test.c csv.c
+	./$@
+
+coverage: csv-test
+	llvm-profdata merge -sparse default.profraw -o csv-test.profdata
+	llvm-cov show ./csv-test -instr-profile=csv-test.profdata
 
 csv-perf: csv-perf.c csv.o csv.h
 	$(CC) $(CFLAGS) -o $@ csv-perf.c csv.o
@@ -18,4 +22,4 @@ csv.o: csv.c csv.h
 clean:
 	rm csv-test csv-perf seq-read csv.o
 
-.PHONY: all clean
+.PHONY: all clean coverage
-- 
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