/* 
   Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program 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 General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, see <http://www.gnu.org/licenses/>.
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <alloca.h>

#include <CUnit/CUnit.h>

#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test-cu.h"

void
test_sanitize_overwrite(void)
{ 
	int ret;
	struct iscsi_data data;

	logging(LOG_VERBOSE, LOG_BLANK_LINE);
	logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE");

	CHECK_FOR_SANITIZE;


	logging(LOG_VERBOSE, "Parameter list length <= 4 is an error");
	logging(LOG_VERBOSE, "Test that parameter list length == 0 fails");
		ret = sanitize_invalidfieldincdb(iscsic, tgt_lun,
		       0, 0, SCSI_SANITIZE_OVERWRITE, 0, NULL);
	if (ret == -2) {
		logging(LOG_NORMAL, "[SKIPPED] SANITIZE is not implemented.");
		CU_PASS("SANITIZE is not implemented.");
		return;
	}	
	CU_ASSERT_EQUAL(ret, 0);


	logging(LOG_VERBOSE, "Test that parameter list length == 4 fails");
	data.size = 4;
	data.data = alloca(data.size);
	memset(data.data, 0, data.size);
		ret = sanitize_invalidfieldincdb(iscsic, tgt_lun,
		       0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data);
	CU_ASSERT_EQUAL(ret, 0);


	logging(LOG_VERBOSE, "Parameter list length >= blocksize + 5 is an "
		"error");
	logging(LOG_VERBOSE, "Test that parameter list length == blocksize + 8 "
		"fails");
	data.size = block_size + 8;
	data.data = alloca(data.size);
	memset(data.data, 0, data.size);
		ret = sanitize_invalidfieldincdb(iscsic, tgt_lun,
		       0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data);
	CU_ASSERT_EQUAL(ret, 0);


	logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE of full block of 0xaa");
	data.size = block_size + 4;
	data.data[0] = 0x01;
	data.data[1] = 0x00;
	data.data[2] = block_size >> 8;
	data.data[3] = block_size & 0xff;
	memset(&data.data[4], 0xaa, block_size);
	ret = sanitize(iscsic, tgt_lun,
		       0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data);
	CU_ASSERT_EQUAL(ret, 0);
}