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Spdk/test/unit/lib/util/iov.c/iov_ut.c
Jim Harris 488570ebd4 Replace most BSD 3-clause license text with SPDX identifier. 
Many open source projects have moved to using SPDX identifiers
to specify license information, reducing the amount of
boilerplate code in every source file.  This patch replaces
the bulk of SPDK .c, .cpp and Makefiles with the BSD-3-Clause
identifier.

Almost all of these files share the exact same license text,
and this patch only modifies the files that contain the
most common license text.  There can be slight variations
because the third clause contains company names - most say
"Intel Corporation", but there are instances for Nvidia,
Samsung, Eideticom and even "the copyright holder".

Used a bash script to automate replacement of the license text
with SPDX identifier which is checked into scripts/spdx.sh.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iaa88ab5e92ea471691dc298cfe41ebfb5d169780
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12904
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Dong Yi <dongx.yi@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: <qun.wan@intel.com>
2022-06-09 07:35:12 +00:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 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);
}
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_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests();
num_failures = CU_get_number_of_failures();
CU_cleanup_registry();
return num_failures;
}
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