1 files changed, 50 insertions, 0 deletions
diff --git a/dtc/tests/check_full.c b/dtc/tests/check_full.c
new file mode 100644
index 000000000..b6d5fc3b1
--- /dev/null
+++ b/dtc/tests/check_full.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Tests if two given dtbs are structurally equal (including order)
+ * Copyright (C) 2007 David Gibson, IBM Corporation.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+static int expect_bad; /* = 0 */
+
+int main(int argc, char *argv[])
+{
+	const char *filename;
+	char *fdt;
+	size_t len;
+	int err;
+
+	test_init(argc, argv);
+	if ((argc != 2)
+	    && ((argc != 3) || !streq(argv[1], "-n")))
+		CONFIG("Usage: %s [-n] <dtb file>", argv[0]);
+	if (argc == 3)
+		expect_bad = 1;
+
+	filename = argv[argc-1];
+	err = utilfdt_read_err(filename, &fdt, &len);
+	if (err)
+		CONFIG("Couldn't open blob from \"%s\": %s",
+		       filename, strerror(err));
+
+	vg_prepare_blob(fdt, len);
+
+	err = fdt_check_full(fdt, len);
+
+	if (expect_bad && (err == 0))
+		FAIL("fdt_check_full() succeeded unexpectedly");
+	else if (!expect_bad && (err != 0))
+		FAIL("fdt_check_full() failed: %s", fdt_strerror(err));
+
+	PASS();
+}