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tests: add WRITESAME data verification tests

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Based on the corresponding simple tests. Issue a WRITESAME request and
confirm that the data written matches the data read back.

Signed-off-by: David Disseldorp <ddiss@suse.de>
This commit is contained in:
David Disseldorp
2016-05-18 11:59:54 +02:00
parent a341c665d8
commit 3644504147
5 changed files with 156 additions and 0 deletions
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test-tool/test_writesame16_check.c
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/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
/*
Copyright (C) 2016 David Disseldorp
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 <CUnit/CUnit.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-support.h"
#include "iscsi-test-cu.h"
void
test_writesame16_check(void)
{
int i;
int ws_max_blocks = 256;
char read_buf[ws_max_blocks * block_size];
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITESAME16 of 1-256 blocks at the start of the LUN");
for (i = 1; i <= ws_max_blocks; i++) {
/*
* fill the full buffer so that memcmp is straightforward,
* even though writesame is only using one block of it.
*/
memset(scratch, i, block_size * ws_max_blocks);
WRITESAME16(sd, 0, block_size, i, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
memset(read_buf, 0, i * block_size);
READ16(sd, NULL, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, read_buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(0, memcmp(read_buf, scratch, i));
}
logging(LOG_VERBOSE, "Test WRITESAME16 of 1-256 blocks at the end of the LUN");
for (i = 1; i <= ws_max_blocks; i++) {
memset(scratch, i, block_size * ws_max_blocks);
WRITESAME16(sd, num_blocks - i,
block_size, i, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
memset(read_buf, 0, i * block_size);
READ16(sd, NULL, num_blocks - i, i * block_size,
block_size, 0, 0, 0, 0, 0, read_buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(0, memcmp(read_buf, scratch, i));
}
}