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-rw-r--r--include/kunit/test.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/kunit/test.h b/include/kunit/test.h
index c2ce379c329b..fcb4a4940ace 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -1523,6 +1523,25 @@ do { \
return NULL; \
}
+/**
+ * KUNIT_ARRAY_PARAM_DESC() - Define test parameter generator from an array.
+ * @name: prefix for the test parameter generator function.
+ * @array: array of test parameters.
+ * @desc_member: structure member from array element to use as description
+ *
+ * Define function @name_gen_params which uses @array to generate parameters.
+ */
+#define KUNIT_ARRAY_PARAM_DESC(name, array, desc_member) \
+ static const void *name##_gen_params(const void *prev, char *desc) \
+ { \
+ typeof((array)[0]) *__next = prev ? ((typeof(__next)) prev) + 1 : (array); \
+ if (__next - (array) < ARRAY_SIZE((array))) { \
+ strscpy(desc, __next->desc_member, KUNIT_PARAM_DESC_SIZE); \
+ return __next; \
+ } \
+ return NULL; \
+ }
+
// TODO(dlatypov@google.com): consider eventually migrating users to explicitly
// include resource.h themselves if they need it.
#include <kunit/resource.h>