1 files changed, 51 insertions, 0 deletions
diff --git a/tests/relref_merge.c b/tests/relref_merge.c
new file mode 100644
index 0000000..5daab2e
--- /dev/null
+++ b/tests/relref_merge.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for label relative child references in dtc
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ * Copyright (C) 2020 Ahmad Fatoum, Pengutronix.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+static void check_exist(void *fdt, const char *path)
+{
+	int sn = fdt_path_offset(fdt, path);
+	if (sn < 0)
+		FAIL("%s expected but not found: %s", path, fdt_strerror(sn));
+}
+
+static void check_doesnt_exist(void *fdt, const char *path)
+{
+	int sn = fdt_path_offset(fdt, path);
+	if (sn >= 0)
+		FAIL("%s found but not expected %d", path, sn);
+}
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	check_exist(fdt, "/node/subnode1");
+	check_exist(fdt, "/node/keep-me");
+	check_doesnt_exist(fdt, "/node/remove-me");
+
+	check_doesnt_exist(fdt, "/node2");
+	check_doesnt_exist(fdt, "/node/subnode3");
+
+	check_exist(fdt, "/node/subnode4");
+
+	check_exist(fdt, "/node/subnode1/add-me");
+
+	PASS();
+}