zephyr/tests/unit/list/dlist.c

417 lines
9.4 KiB
C

/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <ztest.h>
#include <zephyr/sys/dlist.h>
static sys_dlist_t test_list;
struct container_node {
sys_dnode_t node;
int unused;
};
static struct container_node test_node_1;
static struct container_node test_node_2;
static struct container_node test_node_3;
static struct container_node test_node_4;
static inline bool verify_emptyness(sys_dlist_t *list)
{
sys_dnode_t *node;
sys_dnode_t *s_node;
struct container_node *cnode;
struct container_node *s_cnode;
int count;
if (!sys_dlist_is_empty(list)) {
return false;
}
if (sys_dlist_peek_head(list)) {
return false;
}
if (sys_dlist_peek_tail(list)) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_NODE(list, node) {
count++;
}
if (count) {
return false;
}
SYS_DLIST_FOR_EACH_NODE_SAFE(list, node, s_node) {
count++;
}
if (count) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_CONTAINER(list, cnode, node) {
count++;
}
if (count) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_CONTAINER_SAFE(list, cnode, s_cnode, node) {
count++;
}
if (count) {
return false;
}
return true;
}
static inline bool verify_content_amount(sys_dlist_t *list, int amount)
{
sys_dnode_t *node;
sys_dnode_t *s_node;
struct container_node *cnode;
struct container_node *s_cnode;
int count;
if (sys_dlist_is_empty(list)) {
return false;
}
if (!sys_dlist_peek_head(list)) {
return false;
}
if (!sys_dlist_peek_tail(list)) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_NODE(list, node) {
count++;
}
if (count != amount) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_NODE_SAFE(list, node, s_node) {
count++;
}
if (count != amount) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_CONTAINER(list, cnode, node) {
count++;
}
if (count != amount) {
return false;
}
count = 0;
SYS_DLIST_FOR_EACH_CONTAINER_SAFE(list, cnode, s_cnode, node) {
count++;
}
if (count != amount) {
return false;
}
return true;
}
static inline bool verify_tail_head(sys_dlist_t *list,
sys_dnode_t *head,
sys_dnode_t *tail,
bool same)
{
if (sys_dlist_peek_head(list) != head) {
return false;
}
if (sys_dlist_peek_tail(list) != tail) {
return false;
}
if (same) {
if (sys_dlist_peek_head(list) != sys_dlist_peek_tail(list)) {
return false;
}
} else {
if (sys_dlist_peek_head(list) == sys_dlist_peek_tail(list)) {
return false;
}
}
return true;
}
/**
* @addtogroup unit_tests
* @{
*/
/**
* @brief Verify doubly linked list functionalities
*
* @see sys_dlist_append(), sys_dlist_remove(), sys_dlist_prepend(),
* sys_dlist_remove(), sys_dlist_insert(), sys_dlist_peek_next()
* SYS_DLIST_ITERATE_FROM_NODE()
*/
void test_dlist(void)
{
sys_dlist_init(&test_list);
zassert_true((verify_emptyness(&test_list)),
"test_list should be empty");
/* Appending node 1 */
sys_dlist_append(&test_list, &test_node_1.node);
zassert_true((verify_content_amount(&test_list, 1)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_1.node,
&test_node_1.node, true)),
"test_list head/tail are wrong");
/* Finding and removing node 1 */
zassert_true(sys_dnode_is_linked(&test_node_1.node),
"node1 is not linked");
sys_dlist_remove(&test_node_1.node);
zassert_true((verify_emptyness(&test_list)),
"test_list should be empty");
zassert_false(sys_dnode_is_linked(&test_node_1.node),
"node1 is still linked");
/* Prepending node 1 */
sys_dlist_prepend(&test_list, &test_node_1.node);
zassert_true((verify_content_amount(&test_list, 1)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_1.node,
&test_node_1.node, true)),
"test_list head/tail are wrong");
/* Removing node 1 */
sys_dlist_remove(&test_node_1.node);
zassert_true((verify_emptyness(&test_list)),
"test_list should be empty");
/* Appending node 1 */
sys_dlist_append(&test_list, &test_node_1.node);
/* Prepending node 2 */
sys_dlist_prepend(&test_list, &test_node_2.node);
zassert_true((verify_content_amount(&test_list, 2)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_2.node,
&test_node_1.node, false)),
"test_list head/tail are wrong");
/* Appending node 3 */
sys_dlist_append(&test_list, &test_node_3.node);
zassert_true((verify_content_amount(&test_list, 3)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_2.node,
&test_node_3.node, false)),
"test_list head/tail are wrong");
zassert_true((sys_dlist_peek_next(&test_list, &test_node_2.node) ==
&test_node_1.node),
"test_list node links are wrong");
/* Inserting node 4 after node 2 */
sys_dlist_insert(test_node_2.node.next, &test_node_4.node);
zassert_true((verify_tail_head(&test_list, &test_node_2.node,
&test_node_3.node, false)),
"test_list head/tail are wrong");
zassert_true((sys_dlist_peek_next(&test_list, &test_node_2.node) ==
&test_node_4.node),
"test_list node links are wrong");
/* Finding and removing node 1 */
sys_dlist_remove(&test_node_1.node);
zassert_true((verify_content_amount(&test_list, 3)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_2.node,
&test_node_3.node, false)),
"test_list head/tail are wrong");
/* Removing node 3 */
sys_dlist_remove(&test_node_3.node);
zassert_true((verify_content_amount(&test_list, 2)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_2.node,
&test_node_4.node, false)),
"test_list head/tail are wrong");
/* Removing node 4 */
sys_dlist_remove(&test_node_4.node);
zassert_true((verify_content_amount(&test_list, 1)),
"test_list has wrong content");
zassert_true((verify_tail_head(&test_list, &test_node_2.node,
&test_node_2.node, true)),
"test_list head/tail are wrong");
/* Removing node 2 */
sys_dlist_remove(&test_node_2.node);
zassert_true((verify_emptyness(&test_list)),
"test_list should be empty");
/* test iterator from a node */
struct data_node {
sys_dnode_t node;
int data;
} data_node[6] = {
{ .data = 0 },
{ .data = 1 },
{ .data = 2 },
{ .data = 3 },
{ .data = 4 },
{ .data = 5 },
};
sys_dnode_t *node = NULL;
int ii;
sys_dlist_init(&test_list);
for (ii = 0; ii < 6; ii++) {
sys_dlist_append(&test_list, &data_node[ii].node);
}
ii = 0;
SYS_DLIST_ITERATE_FROM_NODE(&test_list, node) {
ii++;
if (((struct data_node *)node)->data == 2) {
break;
}
}
zassert_equal(ii, 3, "");
ii = 0;
SYS_DLIST_ITERATE_FROM_NODE(&test_list, node) {
ii++;
if (((struct data_node *)node)->data == 3) {
break;
}
}
zassert_equal(ii, 1, "");
ii = 0;
SYS_DLIST_ITERATE_FROM_NODE(&test_list, node) {
ii++;
}
zassert_equal(ii, 2, "");
}
int cond(sys_dnode_t *node, void *data)
{
return (node == data) ? 1 : 0;
}
/**
* @brief Verify doubly linked list functionalities
*
* @see sys_dlist_is_head(),sys_dlist_is_tail(),
* sys_dlist_has_multiple_nodes(),sys_dlist_get()
* sys_dlist_peek_head_not_empty(),sys_dlist_insert_at(),
* sys_dlist_peek_prev(),
*/
void test_dlist2(void)
{
struct container_node test_node[6];
struct container_node insert_node;
struct container_node insert_node2;
/* Initialize */
memset(test_node, 0, sizeof(test_node));
memset(&insert_node, 0, sizeof(insert_node));
memset(&insert_node2, 0, sizeof(insert_node2));
sys_dlist_init(&test_list);
/* Check if the dlist is empty */
zassert_true(sys_dlist_get(&test_list) == NULL,
"Get a empty dilst, NULL will be returned");
/* Check if a node can append as head if dlist is empty */
sys_dlist_insert_at(&test_list, &insert_node.node,
cond, &test_node[2].node);
zassert_true(test_list.head == &insert_node.node, "");
zassert_true(test_list.tail == &insert_node.node, "");
/* Re-initialize and insert nodes */
sys_dlist_init(&test_list);
for (int i = 0; i < 5; i++) {
sys_dlist_append(&test_list, &test_node[i].node);
}
zassert_true(sys_dlist_peek_head_not_empty(&test_list) != NULL,
"dlist appended incorrectly");
zassert_true(sys_dlist_is_head(&test_list,
&test_node[0].node),
"dlist appended incorrectly");
zassert_true(sys_dlist_is_tail(&test_list,
&test_node[4].node),
"dlist appended incorrectly");
zassert_true(sys_dlist_has_multiple_nodes(&test_list),
"dlist appended incorrectly");
zassert_true(sys_dlist_peek_prev(&test_list,
&test_node[2].node) == &test_node[1].node,
"dlist appended incorrectly");
zassert_true(sys_dlist_peek_prev(&test_list,
&test_node[0].node) == NULL,
"dlist appended incorrectly");
zassert_true(sys_dlist_peek_prev(&test_list,
NULL) == NULL,
"dlist appended incorrectly");
zassert_true(sys_dlist_get(&test_list) ==
&test_node[0].node,
"Get a dilst, head will be returned");
/* Check if a node can insert in front of known nodes */
sys_dlist_insert_at(&test_list, &insert_node.node,
cond, &test_node[2].node);
zassert_true(sys_dlist_peek_next(&test_list,
&test_node[1].node) == &insert_node.node, " ");
/* Check if a node can append if the node is unknown */
sys_dlist_insert_at(&test_list, &insert_node2.node,
cond, &test_node[5].node);
zassert_true(sys_dlist_peek_next(&test_list,
&test_node[4].node) == &insert_node2.node, " ");
}
/**
* @}
*/