1/*
2 * libfdt - Flat Device Tree manipulation
3 *	Testcase for fdt_delprop()
4 * Copyright (C) 2006 David Gibson, IBM Corporation.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <stdlib.h>
22#include <stdio.h>
23#include <string.h>
24#include <ctype.h>
25#include <stdint.h>
26
27#include <libfdt.h>
28
29#include "tests.h"
30#include "testdata.h"
31
32int main(int argc, char *argv[])
33{
34	void *fdt;
35	const uint32_t *intp;
36	const char *strp;
37	int err, lenerr;
38	int oldsize, delsize, newsize;
39
40	test_init(argc, argv);
41	fdt = load_blob_arg(argc, argv);
42
43	fdt = open_blob_rw(fdt);
44
45	oldsize = fdt_totalsize(fdt);
46
47	intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);
48	verbose_printf("int value was 0x%08x\n", *intp);
49
50	err = fdt_delprop(fdt, 0, "prop-int");
51	if (err)
52		FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err));
53
54	intp = fdt_getprop(fdt, 0, "prop-int", &lenerr);
55	if (intp)
56		FAIL("prop-int still present after deletion");
57	if (lenerr != -FDT_ERR_NOTFOUND)
58		FAIL("Unexpected error on second getprop: %s",
59		     fdt_strerror(lenerr));
60
61	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
62			     TEST_STRING_1);
63	verbose_printf("string value was \"%s\"\n", strp);
64	err = fdt_delprop(fdt, 0, "prop-str");
65	if (err)
66		FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err));
67
68	strp = fdt_getprop(fdt, 0, "prop-str", &lenerr);
69	if (strp)
70		FAIL("prop-str still present after deletion");
71	if (lenerr != -FDT_ERR_NOTFOUND)
72		FAIL("Unexpected error on second getprop: %s",
73		     fdt_strerror(lenerr));
74
75	delsize = fdt_totalsize(fdt);
76
77	err = fdt_pack(fdt);
78	if (err)
79		FAIL("fdt_pack(): %s\n", fdt_strerror(err));
80
81	newsize = fdt_totalsize(fdt);
82
83	verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",
84		       oldsize, delsize, newsize);
85
86	if (newsize >= oldsize)
87		FAIL("Tree failed to shrink after deletions");
88
89	PASS();
90}
91