Unit tests for tracefs APIs, checking for ftrace file / directory existence:
bool tracefs_file_exist(struct tracefs_instance *instance, char *name);
bool tracefs_dir_exist(struct tracefs_instance *instance, char *name);
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
utest/tracefs-utest.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c
index 2473e893..3f57ecad 100644
--- a/utest/tracefs-utest.c
+++ b/utest/tracefs-utest.c
@@ -175,6 +175,7 @@ static void test_instance_file_read(struct tracefs_instance *inst, char *fname)
#define ALL_TRACERS "available_tracers"
#define CUR_TRACER "current_tracer"
+#define PER_CPU "per_cpu"
static void test_instance_file(void)
{
struct tracefs_instance *instance = NULL;
@@ -251,6 +252,21 @@ static void test_instance_file(void)
tracefs_put_tracing_file(inst_file);
free(fname);
+ CU_TEST(tracefs_file_exist(NULL, (char *)name) == false);
+ CU_TEST(tracefs_dir_exist(NULL, (char *)name) == false);
+ CU_TEST(tracefs_file_exist(instance, (char *)name) == false);
+ CU_TEST(tracefs_dir_exist(instance, (char *)name) == false);
+
+ CU_TEST(tracefs_file_exist(NULL, CUR_TRACER) == true);
+ CU_TEST(tracefs_dir_exist(NULL, CUR_TRACER) == false);
+ CU_TEST(tracefs_file_exist(instance, CUR_TRACER) == true);
+ CU_TEST(tracefs_dir_exist(instance, CUR_TRACER) == false);
+
+ CU_TEST(tracefs_file_exist(NULL, PER_CPU) == false);
+ CU_TEST(tracefs_dir_exist(NULL, PER_CPU) == true);
+ CU_TEST(tracefs_file_exist(instance, PER_CPU) == false);
+ CU_TEST(tracefs_dir_exist(instance, PER_CPU) == true);
+
CU_TEST(tracefs_instance_destroy(NULL) != 0);
CU_TEST(tracefs_instance_destroy(instance) == 0);
CU_TEST(tracefs_instance_destroy(instance) != 0);
--
2.24.1
|