Test ofnode_by_prop_value()

Signed-off-by: Jens Wiklander <jens.wiklan...@linaro.org>
---
 test/dm/ofnode.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/test/dm/ofnode.c b/test/dm/ofnode.c
index 8db1f9857f7d..907d1ddbdb6f 100644
--- a/test/dm/ofnode.c
+++ b/test/dm/ofnode.c
@@ -15,3 +15,30 @@ static int dm_test_ofnode_compatible(struct unit_test_state 
*uts)
        return 0;
 }
 DM_TEST(dm_test_ofnode_compatible, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_by_prop_value(struct unit_test_state *uts)
+{
+       const char propname[] = "compatible";
+       const char propval[] = "denx,u-boot-fdt-test";
+       const char *str;
+       ofnode node = ofnode_null();
+
+       /* Find first matching node, there should be at least one */
+       node = ofnode_by_prop_value(node, propname, propval, sizeof(propval));
+       ut_assert(ofnode_valid(node));
+       str = ofnode_read_string(node, propname);
+       ut_assert(str && !strcmp(str, propval));
+
+       /* Find the rest of the matching nodes */
+       while (true) {
+               node = ofnode_by_prop_value(node, propname, propval,
+                                           sizeof(propval));
+               if (!ofnode_valid(node))
+                       break;
+               str = ofnode_read_string(node, propname);
+               ut_assert(str && !strcmp(str, propval));
+       }
+
+       return 0;
+}
+DM_TEST(dm_test_ofnode_by_prop_value, DM_TESTF_SCAN_FDT);
-- 
2.17.1

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