test: ofnode: test ofnode_by_prop_value()

Test ofnode_by_prop_value() Signed-off-by: Jens Wiklander <[email protected]> Reviewed-by: Simon Glass <[email protected]>
loveforall · Sep 18, 2018 · 9bc7e96 · 9bc7e96
1 parent 61fba0f
commit 9bc7e96
Showing 1 changed file with 27 additions and 0 deletions.
diff --git 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);