/*

 * libfdt - Flat Device Tree manipulation

 *	Testcase for fdt_nop_node()

 * Copyright (C) 2006 David Gibson, IBM Corporation.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

 */

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <ctype.h>

#include <stdint.h>

#include <fdt.h>

#include <libfdt.h>

#include "tests.h"

#include "testdata.h"

int main(int argc, char *argv[])

{

	void *fdt;

	int subnode1_offset, subnode2_offset, subsubnode2_offset;

	int err;

	int oldsize, delsize, newsize;

	test_init(argc, argv);

	fdt = load_blob_arg(argc, argv);

	fdt = open_blob_rw(fdt);

	oldsize = fdt_totalsize(fdt);

	subnode1_offset = fdt_path_offset(fdt, "/subnode@1");

	if (subnode1_offset < 0)

		FAIL("Couldn't find \"/subnode@1\": %s",

		     fdt_strerror(subnode1_offset));

	check_getprop_cell(fdt, subnode1_offset, "prop-int", TEST_VALUE_1);

	subnode2_offset = fdt_path_offset(fdt, "/subnode@2");

	if (subnode2_offset < 0)

		FAIL("Couldn't find \"/subnode@2\": %s",

		     fdt_strerror(subnode2_offset));

	check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);

	subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode");

	if (subsubnode2_offset < 0)

		FAIL("Couldn't find \"/subnode@2/subsubnode\": %s",

		     fdt_strerror(subsubnode2_offset));

	check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);

	err = fdt_del_node(fdt, subnode1_offset);

	if (err)

		FAIL("fdt_del_node(subnode1): %s", fdt_strerror(err));

	subnode1_offset = fdt_path_offset(fdt, "/subnode@1");

	if (subnode1_offset != -FDT_ERR_NOTFOUND)

		FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",

		     fdt_strerror(subnode1_offset),

		     fdt_strerror(-FDT_ERR_NOTFOUND));

	subnode2_offset = fdt_path_offset(fdt, "/subnode@2");

	if (subnode2_offset < 0)

		FAIL("Couldn't find \"/subnode2\": %s",

		     fdt_strerror(subnode2_offset));

	check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);

	subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode");

	if (subsubnode2_offset < 0)

		FAIL("Couldn't find \"/subnode@2/subsubnode\": %s",

		     fdt_strerror(subsubnode2_offset));

	check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);

	err = fdt_del_node(fdt, subnode2_offset);

	if (err)

		FAIL("fdt_del_node(subnode2): %s", fdt_strerror(err));

	subnode1_offset = fdt_path_offset(fdt, "/subnode@1");

	if (subnode1_offset != -FDT_ERR_NOTFOUND)

		FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",

		     fdt_strerror(subnode1_offset),

		     fdt_strerror(-FDT_ERR_NOTFOUND));

	subnode2_offset = fdt_path_offset(fdt, "/subnode@2");

	if (subnode2_offset != -FDT_ERR_NOTFOUND)

		FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"",

		     fdt_strerror(subnode2_offset),

		     fdt_strerror(-FDT_ERR_NOTFOUND));

	subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode");

	if (subsubnode2_offset != -FDT_ERR_NOTFOUND)

		FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"",

		     fdt_strerror(subsubnode2_offset),

		     fdt_strerror(-FDT_ERR_NOTFOUND));

	delsize = fdt_totalsize(fdt);

	err = fdt_pack(fdt);

	if (err)

		FAIL("fdt_pack(): %s", fdt_strerror(err));

	newsize = fdt_totalsize(fdt);

	verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",

		       oldsize, delsize, newsize);

	if (newsize >= oldsize)

		FAIL("Tree failed to shrink after deletions");

	PASS();

}