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numam-dpdk/app/test/test_cmdline_cirbuf.c

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test: use SPDX tag for Intel copyright files Replace the BSD license header with the SPDX tag for files with only an Intel copyright on them. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2017-12-19 15:49:05 +00:00
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
cmdline: tests Signed-off-by: Intel
2012-12-19 23:00:00 +00:00
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rte_string_fns.h>
#include <cmdline_cirbuf.h>
#include "test_cmdline.h"
/* different length strings */
#define CIRBUF_STR_HEAD " HEAD"
#define CIRBUF_STR_TAIL "TAIL"
fix typos using codespell utility Fixing typos across dpdk source code using codespell utility. Skipped the ethdev driver's base code fixes to keep the base code intact. Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> Acked-by: John McNamara <john.mcnamara@intel.com>
2017-06-07 05:05:06 +00:00
/* miscellaneous tests - they make bullseye happy */
cmdline: tests Signed-off-by: Intel
2012-12-19 23:00:00 +00:00
static int
test_cirbuf_string_misc(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
/* initialize buffers */
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/*
* add strings to head and tail, but read only tail
* this results in read operation that does not transcend
* from buffer end to buffer beginning (in other words,
* strlen <= cb->maxlen - cb->end)
*/
/* add string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* add string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* read string from tail */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to get string from tail!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: tail strings do not match!\n");
return -1;
}
/* clear buffers */
memset(tmp, 0, sizeof(tmp));
memset(buf, 0, sizeof(buf));
/*
* add a string to buffer when start/end is at end of buffer
*/
/*
* reinitialize circular buffer with start at the end of cirbuf
*/
if (cirbuf_init(&cb, buf, CMDLINE_TEST_BUFSIZE - 2, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* add string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to add string to tail!\n");
return -1;
}
/* read string from tail */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to get string from tail!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: tail strings do not match!\n");
return -1;
}
/* clear tmp buffer */
memset(tmp, 0, sizeof(tmp));
/* add string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* read string from tail */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to get string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) != 0) {
printf("Error: headstrings do not match!\n");
return -1;
}
return 0;
}
/* test adding and deleting strings */
static int
test_cirbuf_string_add_del(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
/* initialize buffers */
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* add string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* read string from head */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to get string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) != 0) {
printf("Error: head strings do not match!\n");
return -1;
}
/* clear tmp buffer */
memset(tmp, 0, sizeof(tmp));
/* read string from tail */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to get string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) != 0) {
printf("Error: head strings do not match!\n");
return -1;
}
/* delete string from head*/
if (cirbuf_del_buf_head(&cb, sizeof(CIRBUF_STR_HEAD)) < 0) {
printf("Error: failed to delete string from head!\n");
return -1;
}
/* verify string was deleted */
if (cirbuf_del_head_safe(&cb) == 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
/* clear tmp buffer */
memset(tmp, 0, sizeof(tmp));
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* add string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to add string to tail!\n");
return -1;
}
/* get string from tail */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to get string from tail!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: tail strings do not match!\n");
return -1;
}
/* clear tmp buffer */
memset(tmp, 0, sizeof(tmp));
/* get string from head */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to get string from tail!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: tail strings do not match!\n");
return -1;
}
/* delete string from tail */
if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to delete string from tail!\n");
return -1;
}
/* verify string was deleted */
if (cirbuf_del_tail_safe(&cb) == 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
return 0;
}
/* test adding from head and deleting from tail, and vice versa */
static int
test_cirbuf_string_add_del_reverse(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
/* initialize buffers */
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* add string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* delete string from tail */
if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_HEAD)) < 0) {
printf("Error: failed to delete string from tail!\n");
return -1;
}
/* verify string was deleted */
if (cirbuf_del_tail_safe(&cb) == 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
/* clear tmp buffer */
memset(tmp, 0, sizeof(tmp));
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* add string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to add string to tail!\n");
return -1;
}
/* delete string from head */
if (cirbuf_del_buf_head(&cb, sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to delete string from head!\n");
return -1;
}
/* verify string was deleted */
if (cirbuf_del_head_safe(&cb) == 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
return 0;
}
/* try to write more than available */
static int
test_cirbuf_string_add_boundaries(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
unsigned i;
/* initialize buffers */
memset(buf, 0, sizeof(buf));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* fill the buffer from tail */
for (i = 0; i < CMDLINE_TEST_BUFSIZE - sizeof(CIRBUF_STR_TAIL) + 1; i++)
cirbuf_add_tail_safe(&cb, 't');
/* try adding a string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
> 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/* try adding a string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
> 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* fill the buffer from head */
for (i = 0; i < CMDLINE_TEST_BUFSIZE - sizeof(CIRBUF_STR_HEAD) + 1; i++)
cirbuf_add_head_safe(&cb, 'h');
/* try adding a string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
> 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/* try adding a string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
> 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
return 0;
}
/* try to read/delete more than written */
static int
test_cirbuf_string_get_del_boundaries(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
/* initialize buffers */
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* add string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* read more than written (head) */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD) + 1)
!= sizeof(CIRBUF_STR_HEAD)) {
printf("Error: unexpected result when reading too much data!\n");
return -1;
}
/* read more than written (tail) */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD) + 1)
!= sizeof(CIRBUF_STR_HEAD)) {
printf("Error: unexpected result when reading too much data!\n");
return -1;
}
/* delete more than written (head) */
if (cirbuf_del_buf_head(&cb, sizeof(CIRBUF_STR_HEAD) + 1) == 0) {
printf("Error: unexpected result when deleting too much data!\n");
return -1;
}
/* delete more than written (tail) */
if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_HEAD) + 1) == 0) {
printf("Error: unexpected result when deleting too much data!\n");
return -1;
}
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* add string to tail */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL))
!= (sizeof(CIRBUF_STR_TAIL))) {
printf("Error: failed to add string to tail!\n");
return -1;
}
/* read more than written (tail) */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_TAIL) + 1)
!= sizeof(CIRBUF_STR_TAIL)) {
printf("Error: unexpected result when reading too much data!\n");
return -1;
}
/* read more than written (head) */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_TAIL) + 1)
!= sizeof(CIRBUF_STR_TAIL)) {
printf("Error: unexpected result when reading too much data!\n");
return -1;
}
/* delete more than written (tail) */
if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_TAIL) + 1) == 0) {
printf("Error: unexpected result when deleting too much data!\n");
return -1;
}
/* delete more than written (head) */
if (cirbuf_del_buf_tail(&cb, sizeof(CIRBUF_STR_TAIL) + 1) == 0) {
printf("Error: unexpected result when deleting too much data!\n");
return -1;
}
return 0;
}
/* try to read/delete less than written */
static int
test_cirbuf_string_get_del_partial(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
char tmp2[CMDLINE_TEST_BUFSIZE];
/* initialize buffers */
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
memset(tmp2, 0, sizeof(tmp));
convert snprintf to strlcpy Since we have support for the strlcpy function in DPDK, replace all instances where a string is copied using snprintf. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
2018-03-12 11:33:00 +00:00
strlcpy(tmp2, CIRBUF_STR_HEAD, sizeof(tmp2));
cmdline: tests Signed-off-by: Intel
2012-12-19 23:00:00 +00:00
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* add string to head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD))
!= (sizeof(CIRBUF_STR_HEAD))) {
printf("Error: failed to add string to head!\n");
return -1;
}
/* read less than written (head) */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 1)
!= sizeof(CIRBUF_STR_HEAD) - 1) {
printf("Error: unexpected result when reading from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, tmp2, sizeof(CIRBUF_STR_HEAD) - 1) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
memset(tmp, 0, sizeof(tmp));
/* read less than written (tail) */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 1)
!= sizeof(CIRBUF_STR_HEAD) - 1) {
printf("Error: unexpected result when reading from tail!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, &tmp2[1], sizeof(CIRBUF_STR_HEAD) - 1) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
/*
* verify correct deletion
*/
/* clear buffer */
memset(tmp, 0, sizeof(tmp));
/* delete less than written (head) */
if (cirbuf_del_buf_head(&cb, 1) != 0) {
printf("Error: delete from head failed!\n");
return -1;
}
/* read from head */
if (cirbuf_get_buf_head(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 1)
!= sizeof(CIRBUF_STR_HEAD) - 1) {
printf("Error: unexpected result when reading from head!\n");
return -1;
}
/* since we deleted from head, first char should be deleted */
if (strncmp(tmp, &tmp2[1], sizeof(CIRBUF_STR_HEAD) - 1) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
/* clear buffer */
memset(tmp, 0, sizeof(tmp));
/* delete less than written (tail) */
if (cirbuf_del_buf_tail(&cb, 1) != 0) {
printf("Error: delete from tail failed!\n");
return -1;
}
/* read from tail */
if (cirbuf_get_buf_tail(&cb, tmp, sizeof(CIRBUF_STR_HEAD) - 2)
!= sizeof(CIRBUF_STR_HEAD) - 2) {
printf("Error: unexpected result when reading from head!\n");
return -1;
}
/* since we deleted from tail, last char should be deleted */
if (strncmp(tmp, &tmp2[1], sizeof(CIRBUF_STR_HEAD) - 2) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
return 0;
}
/* test cmdline_cirbuf char add/del functions */
static int
test_cirbuf_char_add_del(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
/* clear buffer */
memset(buf, 0, sizeof(buf));
memset(tmp, 0, sizeof(tmp));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/*
* try to delete something from cirbuf. since it's empty,
* these should fail.
*/
if (cirbuf_del_head_safe(&cb) == 0) {
printf("Error: deleting from empty cirbuf head succeeded!\n");
return -1;
}
if (cirbuf_del_tail_safe(&cb) == 0) {
printf("Error: deleting from empty cirbuf tail succeeded!\n");
return -1;
}
/*
* add, verify and delete. these should pass.
*/
if (cirbuf_add_head_safe(&cb,'h') < 0) {
printf("Error: adding to cirbuf head failed!\n");
return -1;
}
if (cirbuf_get_head(&cb) != 'h') {
printf("Error: wrong head content!\n");
return -1;
}
if (cirbuf_del_head_safe(&cb) < 0) {
printf("Error: deleting from cirbuf head failed!\n");
return -1;
}
if (cirbuf_add_tail_safe(&cb,'t') < 0) {
printf("Error: adding to cirbuf tail failed!\n");
return -1;
}
if (cirbuf_get_tail(&cb) != 't') {
printf("Error: wrong tail content!\n");
return -1;
}
if (cirbuf_del_tail_safe(&cb) < 0) {
printf("Error: deleting from cirbuf tail failed!\n");
return -1;
}
/* do the same for unsafe versions. those are void. */
cirbuf_add_head(&cb,'h');
if (cirbuf_get_head(&cb) != 'h') {
printf("Error: wrong head content!\n");
return -1;
}
cirbuf_del_head(&cb);
/* test if char has been deleted. we can't call cirbuf_get_head
* because it's unsafe, but we can call cirbuf_get_buf_head.
*/
if (cirbuf_get_buf_head(&cb, tmp, 1) > 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
cirbuf_add_tail(&cb,'t');
if (cirbuf_get_tail(&cb) != 't') {
printf("Error: wrong tail content!\n");
return -1;
}
cirbuf_del_tail(&cb);
/* test if char has been deleted. we can't call cirbuf_get_tail
* because it's unsafe, but we can call cirbuf_get_buf_tail.
*/
if (cirbuf_get_buf_tail(&cb, tmp, 1) > 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
return 0;
}
/* test filling up buffer with chars */
static int
test_cirbuf_char_fill(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
unsigned i;
/* clear buffer */
memset(buf, 0, sizeof(buf));
/*
* initialize circular buffer
*/
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/*
* fill the buffer from head or tail, verify contents, test boundaries
* and clear the buffer
*/
/* fill the buffer from tail */
for (i = 0; i < CMDLINE_TEST_BUFSIZE; i++)
cirbuf_add_tail_safe(&cb, 't');
/* verify that contents of the buffer are what they are supposed to be */
for (i = 0; i < sizeof(buf); i++) {
if (buf[i] != 't') {
printf("Error: wrong content in buffer!\n");
return -1;
}
}
/* try to add to a full buffer from tail */
if (cirbuf_add_tail_safe(&cb, 't') == 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/* try to add to a full buffer from head */
if (cirbuf_add_head_safe(&cb, 'h') == 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/* delete buffer from tail */
for(i = 0; i < CMDLINE_TEST_BUFSIZE; i++)
cirbuf_del_tail_safe(&cb);
/* try to delete from an empty buffer */
if (cirbuf_del_tail_safe(&cb) >= 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
/* fill the buffer from head */
for (i = 0; i < CMDLINE_TEST_BUFSIZE; i++)
cirbuf_add_head_safe(&cb, 'h');
/* verify that contents of the buffer are what they are supposed to be */
for (i = 0; i < sizeof(buf); i++) {
if (buf[i] != 'h') {
printf("Error: wrong content in buffer!\n");
return -1;
}
}
/* try to add to a full buffer from head */
if (cirbuf_add_head_safe(&cb,'h') >= 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/* try to add to a full buffer from tail */
if (cirbuf_add_tail_safe(&cb, 't') == 0) {
printf("Error: buffer should have been full!\n");
return -1;
}
/* delete buffer from head */
for(i = 0; i < CMDLINE_TEST_BUFSIZE; i++)
cirbuf_del_head_safe(&cb);
/* try to delete from an empty buffer */
if (cirbuf_del_head_safe(&cb) >= 0) {
printf("Error: buffer should have been empty!\n");
return -1;
}
/*
* fill the buffer from both head and tail, with alternating characters,
* verify contents and clear the buffer
*/
/* fill half of buffer from tail */
for (i = 0; i < CMDLINE_TEST_BUFSIZE / 2; i++)
cirbuf_add_tail_safe(&cb, (char) (i % 2 ? 't' : 'T'));
/* fill other half of the buffer from head */
for (i = 0; i < CMDLINE_TEST_BUFSIZE / 2; i++)
cirbuf_add_head_safe(&cb, (char) (i % 2 ? 'H' : 'h')); /* added in reverse */
/* verify that contents of the buffer are what they are supposed to be */
for (i = 0; i < sizeof(buf) / 2; i++) {
if (buf[i] != (char) (i % 2 ? 't' : 'T')) {
printf("Error: wrong content in buffer at %u!\n", i);
return -1;
}
}
for (i = sizeof(buf) / 2; i < sizeof(buf); i++) {
if (buf[i] != (char) (i % 2 ? 'h' : 'H')) {
printf("Error: wrong content in buffer %u!\n", i);
return -1;
}
}
return 0;
}
/* test left alignment */
static int
test_cirbuf_align_left(void)
{
#define HALF_OFFSET CMDLINE_TEST_BUFSIZE / 2
#define SMALL_OFFSET HALF_OFFSET / 2
/* resulting buffer lengths for each of the test cases */
#define LEN1 HALF_OFFSET - SMALL_OFFSET - 1
#define LEN2 HALF_OFFSET + SMALL_OFFSET + 2
#define LEN3 HALF_OFFSET - SMALL_OFFSET
#define LEN4 HALF_OFFSET + SMALL_OFFSET - 1
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
unsigned i;
/*
* align left when start < end and start in left half
*/
/*
* initialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* push end into left half */
for (i = 0; i < HALF_OFFSET - 1; i++)
cirbuf_add_tail_safe(&cb, 't');
/* push start into left half < end */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_del_head_safe(&cb);
/* align */
if (cirbuf_align_left(&cb) < 0) {
printf("Error: alignment failed!\n");
return -1;
}
/* verify result */
if (cb.start != 0 || cb.len != LEN1 || cb.end != cb.len - 1) {
printf("Error: buffer alignment is wrong!\n");
return -1;
}
/*
* align left when start > end and start in left half
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* push start into left half */
for (i = 0; i < HALF_OFFSET + 2; i++)
cirbuf_add_head_safe(&cb, 'h');
/* push end into left half > start */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_add_tail_safe(&cb, 't');
/* align */
if (cirbuf_align_left(&cb) < 0) {
printf("Error: alignment failed!\n");
return -1;
}
/* verify result */
if (cb.start != 0 || cb.len != LEN2 || cb.end != cb.len - 1) {
printf("Error: buffer alignment is wrong!");
return -1;
}
/*
* align left when start < end and start in right half
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* push start into the right half */
for (i = 0; i < HALF_OFFSET; i++)
cirbuf_add_head_safe(&cb, 'h');
/* push end into left half > start */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_del_tail_safe(&cb);
/* align */
if (cirbuf_align_left(&cb) < 0) {
printf("Error: alignment failed!\n");
return -1;
}
/* verify result */
if (cb.start != 0 || cb.len != LEN3 || cb.end != cb.len - 1) {
printf("Error: buffer alignment is wrong!");
return -1;
}
/*
* align left when start > end and start in right half
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* push start into the right half */
for (i = 0; i < HALF_OFFSET - 1; i++)
cirbuf_add_head_safe(&cb, 'h');
/* push end into left half < start */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_add_tail_safe(&cb, 't');
/* align */
if (cirbuf_align_left(&cb) < 0) {
printf("Error: alignment failed!\n");
return -1;
}
/* verify result */
if (cb.start != 0 || cb.len != LEN4 ||
cb.end != cb.len - 1) {
printf("Error: buffer alignment is wrong!");
return -1;
}
/*
* Verify that alignment doesn't corrupt data
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* add string to tail and head */
if (cirbuf_add_buf_head(&cb, CIRBUF_STR_HEAD,
sizeof(CIRBUF_STR_HEAD)) < 0 || cirbuf_add_buf_tail(&cb,
CIRBUF_STR_TAIL, sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to add strings!\n");
return -1;
}
/* align */
if (cirbuf_align_left(&cb) < 0) {
printf("Error: alignment failed!\n");
return -1;
}
/* get string from head */
if (cirbuf_get_buf_head(&cb, tmp,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to read string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
/* reset tmp buffer */
memset(tmp, 0, sizeof(tmp));
/* get string from tail */
if (cirbuf_get_buf_tail(&cb, tmp,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to read string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
return 0;
}
/* test right alignment */
static int
test_cirbuf_align_right(void)
{
#define END_OFFSET CMDLINE_TEST_BUFSIZE - 1
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
char tmp[CMDLINE_TEST_BUFSIZE];
unsigned i;
/*
* align right when start < end and start in left half
*/
/*
* initialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to initialize circular buffer!\n");
return -1;
}
/* push end into left half */
for (i = 0; i < HALF_OFFSET - 1; i++)
cirbuf_add_tail_safe(&cb, 't');
/* push start into left half < end */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_del_head_safe(&cb);
/* align */
cirbuf_align_right(&cb);
/* verify result */
if (cb.start != END_OFFSET || cb.len != LEN1 || cb.end != cb.len - 2) {
printf("Error: buffer alignment is wrong!\n");
return -1;
}
/*
* align right when start > end and start in left half
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* push start into left half */
for (i = 0; i < HALF_OFFSET + 2; i++)
cirbuf_add_head_safe(&cb, 'h');
/* push end into left half > start */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_add_tail_safe(&cb, 't');
/* align */
cirbuf_align_right(&cb);
/* verify result */
if (cb.start != END_OFFSET || cb.len != LEN2 || cb.end != cb.len - 2) {
printf("Error: buffer alignment is wrong!");
return -1;
}
/*
* align right when start < end and start in right half
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* push start into the right half */
for (i = 0; i < HALF_OFFSET; i++)
cirbuf_add_head_safe(&cb, 'h');
/* push end into left half > start */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_del_tail_safe(&cb);
/* align */
cirbuf_align_right(&cb);
/* verify result */
if (cb.end != END_OFFSET || cb.len != LEN3 || cb.start != cb.end - cb.len + 1) {
printf("Error: buffer alignment is wrong!");
return -1;
}
/*
* align right when start > end and start in right half
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* push start into the right half */
for (i = 0; i < HALF_OFFSET - 1; i++)
cirbuf_add_head_safe(&cb, 'h');
/* push end into left half < start */
for (i = 0; i < SMALL_OFFSET; i++)
cirbuf_add_tail_safe(&cb, 't');
/* align */
cirbuf_align_right(&cb);
/* verify result */
if (cb.end != END_OFFSET || cb.len != LEN4 || cb.start != cb.end - cb.len + 1) {
printf("Error: buffer alignment is wrong!");
return -1;
}
/*
* Verify that alignment doesn't corrupt data
*/
/*
* reinitialize circular buffer
*/
memset(buf, 0, sizeof(buf));
if (cirbuf_init(&cb, buf, 0, sizeof(buf)) < 0) {
printf("Error: failed to reinitialize circular buffer!\n");
return -1;
}
/* add string to tail and head */
if (cirbuf_add_buf_tail(&cb, CIRBUF_STR_TAIL,
sizeof(CIRBUF_STR_TAIL)) < 0 || cirbuf_add_buf_head(&cb,
CIRBUF_STR_HEAD, sizeof(CIRBUF_STR_HEAD)) < 0) {
printf("Error: failed to add strings!\n");
return -1;
}
/* align */
if (cirbuf_align_right(&cb) < 0) {
printf("Error: alignment failed!\n");
return -1;
}
/* get string from head */
if (cirbuf_get_buf_head(&cb, tmp,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to read string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
/* reset tmp buffer */
memset(tmp, 0, sizeof(tmp));
/* get string from tail */
if (cirbuf_get_buf_tail(&cb, tmp,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) < 0) {
printf("Error: failed to read string from head!\n");
return -1;
}
/* verify string */
if (strncmp(tmp, CIRBUF_STR_HEAD "\0" CIRBUF_STR_TAIL,
sizeof(CIRBUF_STR_HEAD) + sizeof(CIRBUF_STR_TAIL)) != 0) {
printf("Error: strings mismatch!\n");
return -1;
}
return 0;
}
/* call functions with invalid parameters */
int
test_cirbuf_invalid_param(void)
{
struct cirbuf cb;
char buf[CMDLINE_TEST_BUFSIZE];
/* null cirbuf */
if (cirbuf_init(0, buf, 0, sizeof(buf)) == 0)
return -1;
/* null buffer */
if (cirbuf_init(&cb, 0, 0, sizeof(buf)) == 0)
return -1;
/* null cirbuf */
if (cirbuf_add_head_safe(0, 'h') == 0)
return -1;
if (cirbuf_add_tail_safe(0, 't') == 0)
return -1;
if (cirbuf_del_head_safe(0) == 0)
return -1;
if (cirbuf_del_tail_safe(0) == 0)
return -1;
/* null buffer */
if (cirbuf_add_buf_head(&cb, 0, 0) == 0)
return -1;
if (cirbuf_add_buf_tail(&cb, 0, 0) == 0)
return -1;
/* null cirbuf */
if (cirbuf_add_buf_head(0, buf, 0) == 0)
return -1;
if (cirbuf_add_buf_tail(0, buf, 0) == 0)
return -1;
/* null size */
if (cirbuf_add_buf_head(&cb, buf, 0) == 0)
return -1;
if (cirbuf_add_buf_tail(&cb, buf, 0) == 0)
return -1;
/* null cirbuf */
if (cirbuf_del_buf_head(0, 0) == 0)
return -1;
if (cirbuf_del_buf_tail(0, 0) == 0)
return -1;
/* null size */
if (cirbuf_del_buf_head(&cb, 0) == 0)
return -1;
if (cirbuf_del_buf_tail(&cb, 0) == 0)
return -1;
/* null cirbuf */
if (cirbuf_get_buf_head(0, 0, 0) == 0)
return -1;
if (cirbuf_get_buf_tail(0, 0, 0) == 0)
return -1;
/* null buffer */
if (cirbuf_get_buf_head(&cb, 0, 0) == 0)
return -1;
if (cirbuf_get_buf_tail(&cb, 0, 0) == 0)
return -1;
/* null size, this is valid but should return 0 */
if (cirbuf_get_buf_head(&cb, buf, 0) != 0)
return -1;
if (cirbuf_get_buf_tail(&cb, buf, 0) != 0)
return -1;
/* null cirbuf */
if (cirbuf_align_left(0) == 0)
return -1;
if (cirbuf_align_right(0) == 0)
return -1;
return 0;
}
/* test cmdline_cirbuf char functions */
int
test_cirbuf_char(void)
{
int ret;
ret = test_cirbuf_char_add_del();
if (ret < 0)
return -1;
ret = test_cirbuf_char_fill();
if (ret < 0)
return -1;
return 0;
}
/* test cmdline_cirbuf string functions */
int
test_cirbuf_string(void)
{
if (test_cirbuf_string_add_del() < 0)
return -1;
if (test_cirbuf_string_add_del_reverse() < 0)
return -1;
if (test_cirbuf_string_add_boundaries() < 0)
return -1;
if (test_cirbuf_string_get_del_boundaries() < 0)
return -1;
if (test_cirbuf_string_get_del_partial() < 0)
return -1;
if (test_cirbuf_string_misc() < 0)
return -1;
return 0;
}
/* test cmdline_cirbuf align functions */
int
test_cirbuf_align(void)
{
if (test_cirbuf_align_left() < 0)
return -1;
if (test_cirbuf_align_right() < 0)
return -1;
return 0;
}
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