Spdk/test/unit/lib/util/iov.c/iov_ut.c
paul luse a6dbe3721e update Intel copyright notices
per Intel policy to include file commit date using git cmd
below.  The policy does not apply to non-Intel (C) notices.

git log --follow -C90% --format=%ad --date default <file> | tail -1

and then pull just the 4 digit year from the result.

Intel copyrights were not added to files where Intel either had
no contribution ot the contribution lacked substance (ie license
header updates, formatting changes, etc).  Contribution date used
"--follow -C95%" to get the most accurate date.

Note that several files in this patch didn't end the license/(c)
block with a blank comment line so these were added as the vast
majority of files do have this last blank line.  Simply there for
consistency.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: Id5b7ce4f658fe87132f14139ead58d6e285c04d4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15192
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Community-CI: Mellanox Build Bot
2022-11-10 08:28:53 +00:00

272 lines
6.1 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (C) 2019 Intel Corporation.
* All rights reserved.
*/
#include "spdk/stdinc.h"
#include "spdk_cunit.h"
#include "util/iov.c"
static int
_check_val(void *buf, size_t len, uint8_t val)
{
size_t i;
uint8_t *data = buf;
for (i = 0; i < len; i++) {
if (data[i] != val) {
return -1;
}
}
return 0;
}
static void
test_single_iov(void)
{
struct iovec siov[1];
struct iovec diov[1];
uint8_t sdata[64];
uint8_t ddata[64];
ssize_t rc;
/* Simplest cases- 1 element in each iovec. */
/* Same size. */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
siov[0].iov_base = sdata;
siov[0].iov_len = sizeof(sdata);
diov[0].iov_base = ddata;
diov[0].iov_len = sizeof(ddata);
rc = spdk_iovcpy(siov, 1, diov, 1);
CU_ASSERT(rc == sizeof(sdata));
CU_ASSERT(_check_val(ddata, 64, 1) == 0);
/* Source smaller than dest */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
siov[0].iov_base = sdata;
siov[0].iov_len = 48;
diov[0].iov_base = ddata;
diov[0].iov_len = sizeof(ddata);
rc = spdk_iovcpy(siov, 1, diov, 1);
CU_ASSERT(rc == 48);
CU_ASSERT(_check_val(ddata, 48, 1) == 0);
CU_ASSERT(_check_val(&ddata[48], 16, 0) == 0);
/* Dest smaller than source */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
siov[0].iov_base = sdata;
siov[0].iov_len = sizeof(sdata);
diov[0].iov_base = ddata;
diov[0].iov_len = 48;
rc = spdk_iovcpy(siov, 1, diov, 1);
CU_ASSERT(rc == 48);
CU_ASSERT(_check_val(ddata, 48, 1) == 0);
CU_ASSERT(_check_val(&ddata[48], 16, 0) == 0);
}
static void
test_simple_iov(void)
{
struct iovec siov[4];
struct iovec diov[4];
uint8_t sdata[64];
uint8_t ddata[64];
ssize_t rc;
int i;
/* Simple cases with 4 iov elements */
/* Same size. */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
for (i = 0; i < 4; i++) {
siov[i].iov_base = sdata + (16 * i);
siov[i].iov_len = 16;
diov[i].iov_base = ddata + (16 * i);
diov[i].iov_len = 16;
}
rc = spdk_iovcpy(siov, 4, diov, 4);
CU_ASSERT(rc == sizeof(sdata));
CU_ASSERT(_check_val(ddata, 64, 1) == 0);
/* Source smaller than dest */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
for (i = 0; i < 4; i++) {
siov[i].iov_base = sdata + (8 * i);
siov[i].iov_len = 8;
diov[i].iov_base = ddata + (16 * i);
diov[i].iov_len = 16;
}
rc = spdk_iovcpy(siov, 4, diov, 4);
CU_ASSERT(rc == 32);
CU_ASSERT(_check_val(ddata, 32, 1) == 0);
CU_ASSERT(_check_val(&ddata[32], 32, 0) == 0);
/* Dest smaller than source */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
for (i = 0; i < 4; i++) {
siov[i].iov_base = sdata + (16 * i);
siov[i].iov_len = 16;
diov[i].iov_base = ddata + (8 * i);
diov[i].iov_len = 8;
}
rc = spdk_iovcpy(siov, 4, diov, 4);
CU_ASSERT(rc == 32);
CU_ASSERT(_check_val(ddata, 32, 1) == 0);
CU_ASSERT(_check_val(&ddata[32], 32, 0) == 0);
}
static void
test_complex_iov(void)
{
struct iovec siov[4];
struct iovec diov[4];
uint8_t sdata[64];
uint8_t ddata[64];
ssize_t rc;
int i;
/* More source elements */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
for (i = 0; i < 4; i++) {
siov[i].iov_base = sdata + (16 * i);
siov[i].iov_len = 16;
}
diov[0].iov_base = ddata;
diov[0].iov_len = sizeof(ddata);
rc = spdk_iovcpy(siov, 4, diov, 1);
CU_ASSERT(rc == sizeof(sdata));
CU_ASSERT(_check_val(ddata, 64, 1) == 0);
/* More dest elements */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
for (i = 0; i < 4; i++) {
diov[i].iov_base = ddata + (16 * i);
diov[i].iov_len = 16;
}
siov[0].iov_base = sdata;
siov[0].iov_len = sizeof(sdata);
rc = spdk_iovcpy(siov, 1, diov, 4);
CU_ASSERT(rc == sizeof(sdata));
CU_ASSERT(_check_val(ddata, 64, 1) == 0);
/* Build one by hand that's really terrible */
memset(sdata, 1, sizeof(sdata));
memset(ddata, 0, sizeof(ddata));
siov[0].iov_base = sdata;
siov[0].iov_len = 1;
siov[1].iov_base = siov[0].iov_base + siov[0].iov_len;
siov[1].iov_len = 13;
siov[2].iov_base = siov[1].iov_base + siov[1].iov_len;
siov[2].iov_len = 6;
siov[3].iov_base = siov[2].iov_base + siov[2].iov_len;
siov[3].iov_len = 44;
diov[0].iov_base = ddata;
diov[0].iov_len = 31;
diov[1].iov_base = diov[0].iov_base + diov[0].iov_len;
diov[1].iov_len = 9;
diov[2].iov_base = diov[1].iov_base + diov[1].iov_len;
diov[2].iov_len = 1;
diov[3].iov_base = diov[2].iov_base + diov[2].iov_len;
diov[3].iov_len = 23;
rc = spdk_iovcpy(siov, 4, diov, 4);
CU_ASSERT(rc == 64);
CU_ASSERT(_check_val(ddata, 64, 1) == 0);
}
static void
test_iovs_to_buf(void)
{
struct iovec iov[4];
uint8_t sdata[64];
uint8_t ddata[64];
memset(&sdata, 1, sizeof(sdata));
memset(&ddata, 6, sizeof(ddata));
iov[0].iov_base = sdata;
iov[0].iov_len = 3;
iov[1].iov_base = iov[0].iov_base + iov[0].iov_len;
iov[1].iov_len = 11;
iov[2].iov_base = iov[1].iov_base + iov[1].iov_len;
iov[2].iov_len = 21;
iov[3].iov_base = iov[2].iov_base + iov[2].iov_len;
iov[3].iov_len = 29;
spdk_copy_iovs_to_buf(ddata, 64, iov, 4);
CU_ASSERT(_check_val(ddata, 64, 1) == 0);
}
static void
test_buf_to_iovs(void)
{
struct iovec iov[4];
uint8_t sdata[64];
uint8_t ddata[64];
memset(&sdata, 7, sizeof(sdata));
memset(&ddata, 4, sizeof(ddata));
iov[0].iov_base = sdata;
iov[0].iov_len = 5;
iov[1].iov_base = iov[0].iov_base + iov[0].iov_len;
iov[1].iov_len = 15;
iov[2].iov_base = iov[1].iov_base + iov[1].iov_len;
iov[2].iov_len = 21;
iov[3].iov_base = iov[2].iov_base + iov[2].iov_len;
iov[3].iov_len = 23;
spdk_copy_buf_to_iovs(iov, 4, sdata, 64);
spdk_copy_iovs_to_buf(ddata, 64, iov, 4);
CU_ASSERT(_check_val(ddata, 64, 7) == 0);
}
int
main(int argc, char **argv)
{
CU_pSuite suite = NULL;
unsigned int num_failures;
CU_set_error_action(CUEA_ABORT);
CU_initialize_registry();
suite = CU_add_suite("iov", NULL, NULL);
CU_ADD_TEST(suite, test_single_iov);
CU_ADD_TEST(suite, test_simple_iov);
CU_ADD_TEST(suite, test_complex_iov);
CU_ADD_TEST(suite, test_iovs_to_buf);
CU_ADD_TEST(suite, test_buf_to_iovs);
CU_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests();
num_failures = CU_get_number_of_failures();
CU_cleanup_registry();
return num_failures;
}