1 files changed, 82 insertions, 0 deletions
diff --git a/dtc/tests/setprop.c b/dtc/tests/setprop.c
new file mode 100644
index 000000000..fa3938da7
--- /dev/null
+++ b/dtc/tests/setprop.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_setprop()
+ * 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 NEW_STRING	"here is quite a long test string, blah blah blah"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	void *buf;
+	const uint32_t *intp;
+	const char *strp;
+	int err;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	buf = xmalloc(SPACE);
+
+	err = fdt_open_into(fdt, buf, SPACE);
+	if (err)
+		FAIL("fdt_open_into(): %s", fdt_strerror(err));
+
+	fdt = buf;
+
+	intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);
+
+	verbose_printf("Old int value was 0x%08x\n", *intp);
+	err = fdt_setprop_string(fdt, 0, "prop-int", NEW_STRING);
+	if (err)
+		FAIL("Failed to set \"prop-int\" to \"%s\": %s",
+		     NEW_STRING, fdt_strerror(err));
+
+	strp = check_getprop_string(fdt, 0, "prop-int", NEW_STRING);
+	verbose_printf("New value is \"%s\"\n", strp);
+
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+
+	verbose_printf("Old string value was \"%s\"\n", strp);
+	err = fdt_setprop_empty(fdt, 0, "prop-str");
+	if (err)
+		FAIL("Failed to empty \"prop-str\": %s",
+		     fdt_strerror(err));
+
+	check_getprop(fdt, 0, "prop-str", 0, NULL);
+
+	err = fdt_setprop_u32(fdt, 0, "prop-u32", TEST_VALUE_2);
+	if (err)
+		FAIL("Failed to set \"prop-u32\" to 0x%08x: %s",
+		     TEST_VALUE_2, fdt_strerror(err));
+	check_getprop_cell(fdt, 0, "prop-u32", TEST_VALUE_2);
+
+	err = fdt_setprop_cell(fdt, 0, "prop-cell", TEST_VALUE_2);
+	if (err)
+		FAIL("Failed to set \"prop-cell\" to 0x%08x: %s",
+		     TEST_VALUE_2, fdt_strerror(err));
+	check_getprop_cell(fdt, 0, "prop-cell", TEST_VALUE_2);
+
+	err = fdt_setprop_u64(fdt, 0, "prop-u64", TEST_VALUE64_1);
+	if (err)
+		FAIL("Failed to set \"prop-u64\" to 0x%016llx: %s",
+		     TEST_VALUE64_1, fdt_strerror(err));
+	check_getprop_64(fdt, 0, "prop-u64", TEST_VALUE64_1);
+	
+	PASS();
+}