1 files changed, 71 insertions, 0 deletions
diff --git a/dtc/tests/add_subnode_with_nops.c b/dtc/tests/add_subnode_with_nops.c
new file mode 100644
index 000000000..29bd34ba4
--- /dev/null
+++ b/dtc/tests/add_subnode_with_nops.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_nop_node()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+#define SPACE	65536
+
+#define CHECK(code) \
+	{ \
+		err = (code); \
+		if (err) \
+			FAIL(#code ": %s", fdt_strerror(err)); \
+	}
+
+#define OFF_CHECK(off, code) \
+	{ \
+		(off) = (code); \
+		if (off < 0) \
+			FAIL(#code ": %s", fdt_strerror(off)); \
+	}
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int err;
+	int offset;
+
+	test_init(argc, argv);
+
+	fdt = xmalloc(SPACE);
+
+	CHECK(fdt_create(fdt, SPACE));
+
+	CHECK(fdt_finish_reservemap(fdt));
+	CHECK(fdt_begin_node(fdt, ""));
+	CHECK(fdt_property_cell(fdt, "prop1", TEST_VALUE_1));
+	CHECK(fdt_property_cell(fdt, "prop2", TEST_VALUE_2));
+	CHECK(fdt_end_node(fdt));
+	CHECK(fdt_finish(fdt));
+
+	verbose_printf("Built empty tree, totalsize = %d\n",
+		       fdt_totalsize(fdt));
+
+	CHECK(fdt_open_into(fdt, fdt, SPACE));
+
+	check_getprop_cell(fdt, 0, "prop1", TEST_VALUE_1);
+	check_getprop_cell(fdt, 0, "prop2", TEST_VALUE_2);
+
+	CHECK(fdt_nop_property(fdt, 0, "prop1"));
+
+	check_getprop_cell(fdt, 0, "prop2", TEST_VALUE_2);
+
+	OFF_CHECK(offset, fdt_add_subnode(fdt, 0, "subnode"));
+
+	check_getprop_cell(fdt, 0, "prop2", TEST_VALUE_2);
+
+	PASS();
+}