added test and stub

src/modules/systemlib/param/param.c

@@ -200,10 +200,14 @@ param_notify_changes(void)
 param_t
 param_find(const char *name)
 {
+	warn("debug info count %i\n", param_count());
+	warn("start: %i\n", __param_start);
+
 	param_t param;
 
 	/* perform a linear search of the known parameters */
 	for (param = 0; handle_in_range(param); param++) {
+		warn("param find: %s", param_info_base[param].name);
 		if (!strcmp(param_info_base[param].name, name))
 			return param;
 	}

unittests/CMakeLists.txt

@@ -77,3 +77,14 @@ add_gtest(st24_test)
 # sf0x_test
 add_executable(sf0x_test sf0x_test.cpp ${PX_SRC}/drivers/sf0x/sf0x_parser.cpp)
 add_gtest(sf0x_test)
+
+# param_test
+add_executable(param_test param_test.cpp
+                          hrt.cpp
+                          stubs.cpp
+                          ${PX_SRC}/modules/systemlib/visibility.h
+                          ${PX_SRC}/modules/systemlib/param/param.c
+                          ${PX_SRC}/modules/systemlib/bson/tinybson.c
+                          ${PX_SRC}/drivers/drv_hrt.h
+                          )
+add_gtest(param_test)

unittests/param_test.cpp

@@ -0,0 +1,34 @@
+#include <systemlib/visibility.h>
+#include <systemlib/param/param.h>
+
+#include "gtest/gtest.h"
+
+//#PARAM_DEFINE_INT32(TEST_A, 5);
+
+struct param_info_s test = {
+	"test",
+	PARAM_TYPE_INT32,
+	.val.i = 2
+};
+
+
+
+extern param_info_s *__param_start, *__param_end;
+const struct param_info_s	*ib = __param_start;
+const struct param_info_s	*il = __param_end;
+
+TEST(ParamTest, ResetAll) {
+	printf("diff: %i\n", (unsigned)(il - ib));
+	printf("start: %i\n", __param_start);
+	printf("end: %i\n", __param_end);
+	
+	param_t testparam = param_find("test");
+	ASSERT_NE(PARAM_INVALID, testparam) << "param_find failed";
+
+	int32_t value;
+	int result = param_get(testparam, &value);
+	ASSERT_EQ(0, result) << "param_get failed";
+	ASSERT_EQ(2, value) << "wrong param value";
+
+	ASSERT_TRUE(false) << "fail";
+}

unittests/stubs.cpp

@@ -0,0 +1,37 @@
+#include <stdint.h>
+#include <sys/types.h>
+//#include "gmock/gmock.h"
+
+#include "uORB/uORB.h"
+#include <systemlib/param/param.h>
+
+/******************************************
+ * uORB stubs
+******************************************/
+
+/*
+struct orb_metadata {
+	const char *o_name;
+	const size_t o_size;
+};
+typedef intptr_t	orb_advert_t;
+extern orb_advert_t orb_advertise(const struct orb_metadata *meta, const void *data);
+extern int	orb_publish(const struct orb_metadata *meta, orb_advert_t handle, const void *data);
+*/
+
+orb_advert_t orb_advertise(const struct orb_metadata *meta, const void *data) {
+	return (orb_advert_t)0;
+}
+
+int	orb_publish(const struct orb_metadata *meta, orb_advert_t handle, const void *data) {
+	return 0;
+}
+
+/******************************************
+ * param stubs
+******************************************/
+
+//extern param_info_s * __param_start, __param_end;
+struct param_info_s	param_info_base[5];
+param_info_s *__param_start = &param_info_base[0];
+param_info_s *__param_end = &param_info_base[4];