move sf0x_test to gtest

unittests/CMakeLists.txt

@@ -69,6 +69,5 @@ add_executable(st24_test st24_test.cpp hrt.cpp ${PX_SRC}/lib/rc/st24.c)
 add_gtest(st24_test)
 
 # sf0x_test
-# TODO: move to gtest
 add_executable(sf0x_test sf0x_test.cpp ${PX_SRC}/drivers/sf0x/sf0x_parser.cpp)
 add_gtest(sf0x_test)

unittests/sf0x_test.cpp

@@ -1,19 +1,15 @@
-
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
 #include <stdio.h>
-#include <systemlib/err.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
 #include <drivers/drv_hrt.h>
-
 #include <drivers/sf0x/sf0x_parser.h>
+#include <systemlib/err.h>
 
-int main(int argc, char *argv[])
-{
-	warnx("SF0X test started");
-
-	int ret = 0;
+#include "gtest/gtest.h"
 
+TEST(SF0XTest, SF0X) {
 	const char LINE_MAX = 20;
 	char _linebuf[LINE_MAX];
 	_linebuf[0] = '\0';
@@ -60,6 +56,4 @@ int main(int argc, char *argv[])
 	}
 
 	warnx("test finished");
-
-	return ret;
 }