[PATCH 24/32] dm: core: Add tests for oftree_path()

[Simon Glass]

Add a few simple tests for getting the root node, since this is handled
as a special case in the implementation.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 test/dm/ofnode.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/dm/ofnode.c b/test/dm/ofnode.c
index 5e63efdfa89..af3aa1e2ec5 100644
--- a/test/dm/ofnode.c
+++ b/test/dm/ofnode.c
@@ -228,6 +228,9 @@ static int dm_test_ofnode_read(struct unit_test_state *uts)
 	ofnode node;
 	int size;
 
+	node = oftree_path(oftree_default(), "/");
+	ut_assert(ofnode_valid(node));
+
 	node = ofnode_path("/a-test");
 	ut_assert(ofnode_valid(node));
 
@@ -256,6 +259,9 @@ static int dm_test_ofnode_read_ot(struct unit_test_state *uts)
 	ofnode node;
 	int size;
 
+	node = oftree_path(otree, "/");
+	ut_assert(ofnode_valid(node));
+
 	node = oftree_path(otree, "/node/subnode");
 	ut_assert(ofnode_valid(node));
 
-- 
2.42.0.rc2.253.gd59a3bf2b4-goog