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/**********************************************************************
Copyright(c) 2011-2015 Intel Corporation All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**********************************************************************/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "raid.h"
#include "test.h"
#define TEST_SOURCES 16
#define TEST_LEN 1024
#define TEST_MEM ((TEST_SOURCES + 1) * (TEST_LEN))
#ifndef TEST_SEED
#define TEST_SEED 0x1234
#endif
// Generates pseudo-random data
void
rand_buffer(unsigned char *buf, long buffer_size)
{
long i;
for (i = 0; i < buffer_size; i++)
buf[i] = rand();
}
int
main(int argc, char *argv[])
{
int i, j, k, ret, fail = 0;
void *buffs[TEST_SOURCES + 1] = { NULL };
char *tmp_buf[TEST_SOURCES + 1] = { NULL };
printf("Test xor_gen_test ");
srand(TEST_SEED);
// Allocate the arrays
for (i = 0; i < TEST_SOURCES + 1; i++) {
void *buf;
ret = posix_memalign(&buf, 32, TEST_LEN);
if (ret) {
printf("alloc error: Fail");
fail = 1;
goto exit;
}
buffs[i] = buf;
}
// Test of all zeros
for (i = 0; i < TEST_SOURCES + 1; i++)
memset(buffs[i], 0, TEST_LEN);
xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs);
for (i = 0; i < TEST_LEN; i++) {
if (((char *) buffs[TEST_SOURCES])[i] != 0)
fail++;
}
if (fail > 0) {
printf("fail zero test");
goto exit;
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
// Test rand1
for (i = 0; i < TEST_SOURCES + 1; i++)
rand_buffer(buffs[i], TEST_LEN);
xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs);
fail |= xor_check_base(TEST_SOURCES + 1, TEST_LEN, buffs);
if (fail > 0) {
printf("fail rand test %d\n", fail);
goto exit;
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
// Test various number of sources
for (j = 3; j <= TEST_SOURCES + 1; j++) {
for (i = 0; i < j; i++)
rand_buffer(buffs[i], TEST_LEN);
xor_gen(j, TEST_LEN, buffs);
fail |= xor_check_base(j, TEST_LEN, buffs);
if (fail > 0) {
printf("fail rand test %d sources\n", j);
goto exit;
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
}
fflush(0);
// Test various number of sources and len
k = 0;
while (k <= TEST_LEN) {
for (j = 3; j <= TEST_SOURCES + 1; j++) {
for (i = 0; i < j; i++)
rand_buffer(buffs[i], k);
xor_gen(j, k, buffs);
fail |= xor_check_base(j, k, buffs);
if (fail > 0) {
printf("fail rand test %d sources, len=%d, ret=%d\n", j, k, fail);
goto exit;
}
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
k += 1;
}
// Test at the end of buffer
for (i = 0; i < TEST_LEN; i += 32) {
for (j = 0; j < TEST_SOURCES + 1; j++) {
rand_buffer((unsigned char *) buffs[j] + i, TEST_LEN - i);
tmp_buf[j] = (char *) buffs[j] + i;
}
xor_gen(TEST_SOURCES + 1, TEST_LEN - i, (void *) tmp_buf);
fail |= xor_check_base(TEST_SOURCES + 1, TEST_LEN - i, (void *) tmp_buf);
if (fail > 0) {
printf("fail end test - offset: %d, len: %d\n", i, TEST_LEN - i);
goto exit;
}
#ifdef TEST_VERBOSE
putchar('.');
#endif
fflush(0);
}
if (!fail)
printf(" done: Pass\n");
exit:
for (i = 0; i < TEST_SOURCES + 1; i++)
aligned_free(buffs[i]);
return fail;
}
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