gcov: Add GCOV test with arithmetic operations

Author: razvand

gcov/.gitignore

@@ -1,4 +1,5 @@
 /idea
-/idea.gcda
-/idea.gcno
-/idea.c.gcov
+/sum_test
+/*.gcda
+/*.gcno
+/*.gcov

gcov/Makefile

@@ -5,13 +5,19 @@ LDFLAGS = -m32 -fprofile-arcs -ftest-coverage
 
 .PHONY: all clean
 
-all: idea
+all: idea sum_test
 
 idea: idea.o
 
 idea.o: idea.c idea.h
 
+sum_test: sum_test.o
+
+sum_test.o: sum_test.c
+
 clean:
 	-rm -f idea idea.o
 	-rm -f idea.gcno idea.gcda idea.c.gcov
+	-rm -f sum_test sum_test.o
+	-rm -f sum_test.gcno sum_test.gcda sum_test.c.gcov
 	-rm -f *~

gcov/sum_test.c

@@ -0,0 +1,36 @@
+static unsigned int test_func(void)
+{
+	unsigned int i, sum;
+
+	sum = 0;
+	for (i = 0; i < 100; i++)
+		sum += i*i;
+
+	for (i = 0; i < 50; i++)
+		sum += i*i*i;
+
+	for (i = 0; i < 80; i++)
+		sum += i / 2;
+
+	return sum;
+}
+
+static unsigned int test_func2(unsigned int a, unsigned int b)
+{
+	return a + b;
+}
+
+int main(void)
+{
+	unsigned int i, sum;
+	unsigned int ret, ret2;
+
+	sum = 0;
+	for (i = 0; i < 100; i++)
+		sum += i;
+
+	ret = test_func();
+	ret2 = test_func2(10, 20);
+
+	return 0;
+}