1035 lines
35 KiB
C
1035 lines
35 KiB
C
/*
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* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "lib/list.h"
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#include "lib/stack.h"
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#include "lib/queue.h"
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#include "lib/circular-list.h"
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#include "lib/dbl-list.h"
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#include "lib/dbl-circ-list.h"
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#include "lib/random.h"
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#include "services/unit-test/unit-test.h"
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#include <string.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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PROCESS(data_structure_test_process, "Data structure process");
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AUTOSTART_PROCESSES(&data_structure_test_process);
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/*---------------------------------------------------------------------------*/
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typedef struct demo_struct_s {
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struct demo_struct_s *next;
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struct demo_struct_s *previous;
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} demo_struct_t;
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/*---------------------------------------------------------------------------*/
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#define ELEMENT_COUNT 10
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static demo_struct_t elements[ELEMENT_COUNT];
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/*---------------------------------------------------------------------------*/
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void
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print_test_report(const unit_test_t *utp)
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{
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printf("=check-me= ");
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if(utp->result == unit_test_failure) {
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printf("FAILED - %s: exit at L%u\n", utp->descr, utp->exit_line);
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} else {
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printf("SUCCEEDED - %s\n", utp->descr);
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}
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}
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/*---------------------------------------------------------------------------*/
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UNIT_TEST_REGISTER(test_list, "Singly-linked list");
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UNIT_TEST(test_list)
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{
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demo_struct_t *head, *tail;
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LIST(lst);
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UNIT_TEST_BEGIN();
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memset(elements, 0, sizeof(elements));
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list_init(lst);
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/* Starts from empty */
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UNIT_TEST_ASSERT(list_head(lst) == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 0);
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/*
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* Add an item. Should be head and tail
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* 0 --> NULL
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*/
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list_add(lst, &elements[0]);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[0]);
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UNIT_TEST_ASSERT(elements[0].next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 1);
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/*
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* Add an item. Should become the new tail
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* 0 --> 1 --> NULL
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*/
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list_add(lst, &elements[1]);
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head = list_head(lst);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[1]);
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UNIT_TEST_ASSERT(head->next == tail);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 2);
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/*
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* Add after existing head
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* 0 --> 2 --> 1 --> NULL
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*/
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head = list_head(lst);
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list_insert(lst, head, &elements[2]);
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head = list_head(lst);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[1]);
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UNIT_TEST_ASSERT(head->next == &elements[2]);
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UNIT_TEST_ASSERT(elements[2].next == tail);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 3);
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/*
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* Add after existing head
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* 0 --> 2 --> 1 --> 3 --> NULL
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*/
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tail = list_tail(lst);
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list_insert(lst, tail, &elements[3]);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[3]);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 4);
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/*
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* Re-add item 2 using list_add
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* 0 --> 1 --> 3 --> 2 --> NULL
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*/
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list_add(lst, &elements[2]);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[2]);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 4);
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/*
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* Re-add item 3 using list_insert
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* 0 --> 1 --> 2 --> 3 --> NULL
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*/
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tail = list_tail(lst);
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list_insert(lst, tail, &elements[3]);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[3]);
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UNIT_TEST_ASSERT(elements[2].next == tail);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 4);
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/*
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* Remove the tail
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* 0 --> 1 --> 2 --> NULL
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*/
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_chop(lst) == tail);
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head = list_head(lst);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(tail == &elements[2]);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 3);
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/*
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* Remove an item in the middle
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* 0 --> 2 --> NULL
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*/
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head = list_head(lst);
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list_remove(lst, head->next);
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head = list_head(lst);
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(head->next == tail);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[0]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[2]);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 2);
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/*
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* Remove the head
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* 2 --> NULL
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*/
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list_remove(lst, list_head(lst));
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tail = list_tail(lst);
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UNIT_TEST_ASSERT(list_head(lst) == &elements[2]);
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UNIT_TEST_ASSERT(list_tail(lst) == &elements[2]);
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UNIT_TEST_ASSERT(tail->next == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 1);
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/* Ends empty */
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list_remove(lst, list_tail(lst));
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UNIT_TEST_ASSERT(list_head(lst) == NULL);
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UNIT_TEST_ASSERT(list_length(lst) == 0);
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UNIT_TEST_END();
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}
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/*---------------------------------------------------------------------------*/
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UNIT_TEST_REGISTER(test_stack, "Stack Push/Pop");
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UNIT_TEST(test_stack)
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{
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STACK(stack);
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UNIT_TEST_BEGIN();
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memset(elements, 0, sizeof(elements));
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stack_init(stack);
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/* Starts from empty */
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UNIT_TEST_ASSERT(stack_is_empty(stack) == true);
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UNIT_TEST_ASSERT(stack_peek(stack) == NULL);
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UNIT_TEST_ASSERT(stack_pop(stack) == NULL);
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/*
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* Push two elements. Peek and pop should be the last one. Stack should be
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* non-empty after the pop
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*/
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stack_push(stack, &elements[0]);
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stack_push(stack, &elements[1]);
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UNIT_TEST_ASSERT(stack_peek(stack) == &elements[1]);
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UNIT_TEST_ASSERT(stack_pop(stack) == &elements[1]);
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UNIT_TEST_ASSERT(stack_peek(stack) == &elements[0]);
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UNIT_TEST_ASSERT(stack_is_empty(stack) == false);
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UNIT_TEST_ASSERT(stack_pop(stack) == &elements[0]);
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/* Ends empty */
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UNIT_TEST_ASSERT(stack_is_empty(stack) == true);
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UNIT_TEST_ASSERT(stack_peek(stack) == NULL);
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UNIT_TEST_ASSERT(stack_pop(stack) == NULL);
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UNIT_TEST_END();
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}
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/*---------------------------------------------------------------------------*/
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UNIT_TEST_REGISTER(test_queue, "Queue Enqueue/Dequeue");
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UNIT_TEST(test_queue)
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{
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QUEUE(queue);
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UNIT_TEST_BEGIN();
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memset(elements, 0, sizeof(elements));
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queue_init(queue);
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/* Starts from empty */
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UNIT_TEST_ASSERT(queue_is_empty(queue) == true);
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UNIT_TEST_ASSERT(queue_peek(queue) == NULL);
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UNIT_TEST_ASSERT(queue_dequeue(queue) == NULL);
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/* Enqueue three elements. They should come out in the same order */
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queue_enqueue(queue, &elements[0]);
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queue_enqueue(queue, &elements[1]);
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queue_enqueue(queue, &elements[2]);
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UNIT_TEST_ASSERT(queue_dequeue(queue) == &elements[0]);
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UNIT_TEST_ASSERT(queue_dequeue(queue) == &elements[1]);
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UNIT_TEST_ASSERT(queue_dequeue(queue) == &elements[2]);
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/* Should be empty */
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UNIT_TEST_ASSERT(queue_is_empty(queue) == true);
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UNIT_TEST_ASSERT(queue_peek(queue) == NULL);
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UNIT_TEST_ASSERT(queue_dequeue(queue) == NULL);
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UNIT_TEST_END();
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}
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/*---------------------------------------------------------------------------*/
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UNIT_TEST_REGISTER(test_csll, "Circular, singly-linked list");
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UNIT_TEST(test_csll)
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{
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demo_struct_t *head, *tail;
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CIRCULAR_LIST(csll);
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UNIT_TEST_BEGIN();
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memset(elements, 0, sizeof(elements));
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circular_list_init(csll);
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/* Starts from empty */
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UNIT_TEST_ASSERT(circular_list_is_empty(csll) == true);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 0);
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UNIT_TEST_ASSERT(circular_list_head(csll) == NULL);
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UNIT_TEST_ASSERT(circular_list_tail(csll) == NULL);
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/* Add one element. Should point to itself and act as head and tail */
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circular_list_add(csll, &elements[0]);
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UNIT_TEST_ASSERT(circular_list_is_empty(csll) == false);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 1);
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UNIT_TEST_ASSERT(circular_list_head(csll) == &elements[0]);
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UNIT_TEST_ASSERT(circular_list_tail(csll) == &elements[0]);
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UNIT_TEST_ASSERT(elements[0].next == &elements[0]);
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/* Add a second element. The two should point to each-other */
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circular_list_add(csll, &elements[1]);
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UNIT_TEST_ASSERT(elements[0].next == &elements[1]);
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UNIT_TEST_ASSERT(elements[1].next == &elements[0]);
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/*
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* Add a third element and check that head->next->next points to tail.
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* Check that tail->next points to the head
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*/
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circular_list_add(csll, &elements[2]);
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head = circular_list_head(csll);
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tail = circular_list_tail(csll);
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UNIT_TEST_ASSERT(head->next->next == circular_list_tail(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_head(csll));
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/* Re-add an existing element. Check the list's integrity */
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circular_list_add(csll, &elements[1]);
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head = circular_list_head(csll);
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tail = circular_list_tail(csll);
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UNIT_TEST_ASSERT(circular_list_is_empty(csll) == false);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 3);
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UNIT_TEST_ASSERT(head->next->next->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(head->next->next == circular_list_tail(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_head(csll));
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/* Add another two elements, then start testing removal */
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circular_list_add(csll, &elements[3]);
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circular_list_add(csll, &elements[4]);
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/* Remove an item in the middle and test list integrity */
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head = circular_list_head(csll);
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circular_list_remove(csll, head->next->next);
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head = circular_list_head(csll);
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tail = circular_list_tail(csll);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 4);
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UNIT_TEST_ASSERT(head->next->next->next->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(head->next->next->next == circular_list_tail(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_head(csll));
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/* Remove the head and test list integrity */
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circular_list_remove(csll, circular_list_head(csll));
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head = circular_list_head(csll);
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tail = circular_list_tail(csll);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 3);
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UNIT_TEST_ASSERT(head->next->next->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(head->next->next == circular_list_tail(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_head(csll));
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/* Remove the tail and test list integrity */
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circular_list_remove(csll, circular_list_tail(csll));
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head = circular_list_head(csll);
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tail = circular_list_tail(csll);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 2);
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UNIT_TEST_ASSERT(head->next->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(head->next == circular_list_tail(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_head(csll));
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/*
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* Remove the tail
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* Only one item left: Make sure the head and tail are the same and point to
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* each other
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*/
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circular_list_remove(csll, circular_list_tail(csll));
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head = circular_list_head(csll);
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tail = circular_list_tail(csll);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 1);
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UNIT_TEST_ASSERT(head == tail);
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UNIT_TEST_ASSERT(head->next->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(head->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(head->next == circular_list_tail(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_head(csll));
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UNIT_TEST_ASSERT(tail->next == circular_list_tail(csll));
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/* Remove the last element by removing the head */
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circular_list_remove(csll, circular_list_head(csll));
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UNIT_TEST_ASSERT(circular_list_is_empty(csll) == true);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 0);
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UNIT_TEST_ASSERT(circular_list_head(csll) == NULL);
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UNIT_TEST_ASSERT(circular_list_tail(csll) == NULL);
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/* Remove the last element by removing the tail */
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circular_list_add(csll, &elements[0]);
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circular_list_remove(csll, circular_list_tail(csll));
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UNIT_TEST_ASSERT(circular_list_is_empty(csll) == true);
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UNIT_TEST_ASSERT(circular_list_length(csll) == 0);
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UNIT_TEST_ASSERT(circular_list_head(csll) == NULL);
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UNIT_TEST_ASSERT(circular_list_tail(csll) == NULL);
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UNIT_TEST_END();
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}
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/*---------------------------------------------------------------------------*/
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UNIT_TEST_REGISTER(test_dll, "Doubly-linked list");
|
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UNIT_TEST(test_dll)
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{
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demo_struct_t *head, *tail;
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CIRCULAR_LIST(dll);
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|
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UNIT_TEST_BEGIN();
|
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memset(elements, 0, sizeof(elements));
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|
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/* Starts from empty */
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dbl_list_init(dll);
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UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == true);
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UNIT_TEST_ASSERT(dbl_list_length(dll) == 0);
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UNIT_TEST_ASSERT(dbl_list_head(dll) == NULL);
|
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UNIT_TEST_ASSERT(dbl_list_tail(dll) == NULL);
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|
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/*
|
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* Add an item by adding to the head.
|
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* Head and tail should point to NULL in both directions
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*/
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dbl_list_add_head(dll, &elements[0]);
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head = dbl_list_head(dll);
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tail = dbl_list_tail(dll);
|
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UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
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UNIT_TEST_ASSERT(dbl_list_length(dll) == 1);
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UNIT_TEST_ASSERT(head == &elements[0]);
|
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UNIT_TEST_ASSERT(tail == &elements[0]);
|
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UNIT_TEST_ASSERT(head->previous == NULL);
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UNIT_TEST_ASSERT(head->next == NULL);
|
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UNIT_TEST_ASSERT(tail->previous == NULL);
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UNIT_TEST_ASSERT(tail->next == NULL);
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|
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/*
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* Add an item by adding to the tail.
|
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* Head and tail should point to NULL in both directions
|
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*/
|
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dbl_list_remove(dll, dbl_list_head(dll));
|
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dbl_list_add_tail(dll, &elements[1]);
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head = dbl_list_head(dll);
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tail = dbl_list_tail(dll);
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|
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UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
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UNIT_TEST_ASSERT(dbl_list_length(dll) == 1);
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UNIT_TEST_ASSERT(head == &elements[1]);
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UNIT_TEST_ASSERT(tail == &elements[1]);
|
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UNIT_TEST_ASSERT(head->previous == NULL);
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UNIT_TEST_ASSERT(head->next == NULL);
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UNIT_TEST_ASSERT(tail->previous == NULL);
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UNIT_TEST_ASSERT(tail->next == NULL);
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|
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/*
|
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* Add a second item to head. Head points forward to tail.
|
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* Tail points backwards to head.
|
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*/
|
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dbl_list_add_head(dll, &elements[2]);
|
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head = dbl_list_head(dll);
|
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tail = dbl_list_tail(dll);
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|
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UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
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UNIT_TEST_ASSERT(dbl_list_length(dll) == 2);
|
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UNIT_TEST_ASSERT(head == &elements[2]);
|
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UNIT_TEST_ASSERT(tail == &elements[1]);
|
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UNIT_TEST_ASSERT(head->previous == NULL);
|
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UNIT_TEST_ASSERT(head->next == tail);
|
|
UNIT_TEST_ASSERT(tail->previous == head);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Add before head.
|
|
* NULL <-- 3 --> 2 --> 1 --> NULL
|
|
*/
|
|
dbl_list_add_before(dll, dbl_list_head(dll), &elements[3]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 3);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == &elements[2]);
|
|
UNIT_TEST_ASSERT(head->next->next == tail);
|
|
UNIT_TEST_ASSERT(head->next->next->next == NULL);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous->previous == NULL);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Add after head.
|
|
* NULL <-- 3 --> 4 --> 2 --> 1 --> NULL
|
|
*/
|
|
dbl_list_add_after(dll, dbl_list_head(dll), &elements[4]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 4);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == &elements[4]);
|
|
UNIT_TEST_ASSERT(head->next->next == &elements[2]);
|
|
UNIT_TEST_ASSERT(head->next->next->next == tail);
|
|
UNIT_TEST_ASSERT(head->next->next->next->next == NULL);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous == &elements[4]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous->previous == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous->previous->previous == NULL);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Add at 3rd position by adding after 2nd
|
|
* NULL <-- 3 --> 4 --> 5 --> 2 --> 1 --> NULL
|
|
*/
|
|
dbl_list_add_after(dll, &elements[4], &elements[5]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 5);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == &elements[4]);
|
|
UNIT_TEST_ASSERT(head->next->next == &elements[5]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous == &elements[5]);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[2]);
|
|
UNIT_TEST_ASSERT(elements[5].next == &elements[2]);
|
|
UNIT_TEST_ASSERT(elements[5].previous == &elements[4]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Add at 3rd position by adding before 3rd
|
|
* NULL <-- 3 --> 4 --> 6 --> 5 --> 2 --> 1 --> NULL
|
|
*/
|
|
dbl_list_add_before(dll, &elements[5], &elements[6]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 6);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == &elements[4]);
|
|
UNIT_TEST_ASSERT(head->next->next == &elements[6]);
|
|
UNIT_TEST_ASSERT(tail->previous->previous == &elements[5]);
|
|
UNIT_TEST_ASSERT(elements[6].next == &elements[5]);
|
|
UNIT_TEST_ASSERT(elements[6].previous == &elements[4]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Add before tail
|
|
* NULL <-- 3 --> 4 --> 6 --> 5 --> 2 --> 7 --> 1 --> NULL
|
|
*/
|
|
dbl_list_add_before(dll, dbl_list_tail(dll), &elements[7]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 7);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[7]);
|
|
UNIT_TEST_ASSERT(elements[7].next == &elements[1]);
|
|
UNIT_TEST_ASSERT(elements[7].previous == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Add after tail
|
|
* NULL <-- 3 --> 4 --> 6 --> 5 --> 2 --> 7 --> 1 --> 8 --> NULL
|
|
*/
|
|
dbl_list_add_after(dll, dbl_list_tail(dll), &elements[8]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 8);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[1]);
|
|
UNIT_TEST_ASSERT(elements[8].next == NULL);
|
|
UNIT_TEST_ASSERT(elements[8].previous == &elements[1]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Find and remove element 5
|
|
* NULL <-- 3 --> 4 --> 6 --> 2 --> 7 --> 1 --> 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, &elements[5]);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 7);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(elements[6].next == &elements[2]);
|
|
UNIT_TEST_ASSERT(elements[2].previous == &elements[6]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Remove before tail
|
|
* NULL <-- 3 --> 4 --> 6 --> 2 --> 7 --> 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, ((demo_struct_t *)dbl_list_tail(dll))->previous);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 6);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(elements[7].next == tail);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[7]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Remove after head
|
|
* NULL <-- 3 --> 6 --> 2 --> 7 --> 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, ((demo_struct_t *)dbl_list_head(dll))->next);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 5);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == &elements[6]);
|
|
UNIT_TEST_ASSERT(elements[6].previous == head);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Find element 2 and remove whatever is after it
|
|
* NULL <-- 3 --> 6 --> 2 --> 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, elements[2].next);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 4);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(elements[2].next == tail);
|
|
UNIT_TEST_ASSERT(tail->previous == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Find element 2 and remove whatever is before it
|
|
* NULL <-- 3 --> 2 --> 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, elements[2].previous);
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 3);
|
|
UNIT_TEST_ASSERT(head == &elements[3]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == &elements[2]);
|
|
UNIT_TEST_ASSERT(elements[2].previous == head);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Remove head
|
|
* NULL <-- 2 --> 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, dbl_list_head(dll));
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 2);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == tail);
|
|
UNIT_TEST_ASSERT(tail->previous == head);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/*
|
|
* Remove tail
|
|
* NULL <-- 8 --> NULL
|
|
*/
|
|
dbl_list_remove(dll, dbl_list_head(dll));
|
|
head = dbl_list_head(dll);
|
|
tail = dbl_list_tail(dll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == false);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 1);
|
|
UNIT_TEST_ASSERT(head == &elements[8]);
|
|
UNIT_TEST_ASSERT(tail == &elements[8]);
|
|
UNIT_TEST_ASSERT(head->previous == NULL);
|
|
UNIT_TEST_ASSERT(head->next == NULL);
|
|
UNIT_TEST_ASSERT(tail->previous == NULL);
|
|
UNIT_TEST_ASSERT(tail->next == NULL);
|
|
|
|
/* Remove the last element */
|
|
dbl_list_remove(dll, dbl_list_head(dll));
|
|
UNIT_TEST_ASSERT(dbl_list_is_empty(dll) == true);
|
|
UNIT_TEST_ASSERT(dbl_list_length(dll) == 0);
|
|
UNIT_TEST_ASSERT(dbl_list_head(dll) == NULL);
|
|
UNIT_TEST_ASSERT(dbl_list_tail(dll) == NULL);
|
|
|
|
UNIT_TEST_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
UNIT_TEST_REGISTER(test_cdll, "Circular, doubly-linked list");
|
|
UNIT_TEST(test_cdll)
|
|
{
|
|
demo_struct_t *head, *tail;
|
|
|
|
CIRCULAR_LIST(cdll);
|
|
|
|
UNIT_TEST_BEGIN();
|
|
|
|
memset(elements, 0, sizeof(elements));
|
|
|
|
/* Starts from empty */
|
|
dbl_circ_list_init(cdll);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == true);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 0);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_head(cdll) == NULL);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_tail(cdll) == NULL);
|
|
|
|
/*
|
|
* Add an item by adding to the head.
|
|
* Head and tail should be the same element and should point to itself in
|
|
* both directions
|
|
*/
|
|
dbl_circ_list_add_head(cdll, &elements[0]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 1);
|
|
UNIT_TEST_ASSERT(head == &elements[0]);
|
|
UNIT_TEST_ASSERT(tail == &elements[0]);
|
|
UNIT_TEST_ASSERT(head->previous == head);
|
|
UNIT_TEST_ASSERT(head->next == head);
|
|
UNIT_TEST_ASSERT(tail->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == tail);
|
|
|
|
/*
|
|
* Add an item by adding to the tail.
|
|
* (tail) <--> 0 <--> 1 <--> (head)
|
|
* Head should point to tail in both directions
|
|
*/
|
|
dbl_circ_list_add_tail(cdll, &elements[1]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 2);
|
|
UNIT_TEST_ASSERT(head == &elements[0]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->next == tail);
|
|
UNIT_TEST_ASSERT(tail->previous == head);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
|
|
/*
|
|
* Add before head.
|
|
* (tail) <--> 2 <--> 0 <--> 1 <--> (head)
|
|
*/
|
|
dbl_circ_list_add_before(cdll, dbl_circ_list_head(cdll), &elements[2]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 3);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[2].previous == tail);
|
|
UNIT_TEST_ASSERT(elements[2].next == &elements[0]);
|
|
UNIT_TEST_ASSERT(elements[0].previous == head);
|
|
|
|
/*
|
|
* Add after head.
|
|
* (tail) <--> 2 <--> 3 <--> 0 <--> 1 <--> (head)
|
|
*/
|
|
dbl_circ_list_add_after(cdll, dbl_circ_list_head(cdll), &elements[3]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 4);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[3].previous == head);
|
|
UNIT_TEST_ASSERT(elements[3].next == &elements[0]);
|
|
UNIT_TEST_ASSERT(elements[0].previous == &elements[3]);
|
|
|
|
/*
|
|
* Add at 3rd position by adding after 2nd
|
|
* (tail) <--> 2 <--> 3 <--> 4 <--> 0 <--> 1 <--> (head)
|
|
*/
|
|
dbl_circ_list_add_after(cdll, &elements[3], &elements[4]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 5);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[3].next == &elements[4]);
|
|
UNIT_TEST_ASSERT(elements[4].previous == &elements[3]);
|
|
UNIT_TEST_ASSERT(elements[4].next == &elements[0]);
|
|
UNIT_TEST_ASSERT(elements[0].previous == &elements[4]);
|
|
|
|
/*
|
|
* Add at 3rd position by adding before 3rd
|
|
* (tail) <--> 2 <--> 3 <--> 5 <--> 4 <--> 0 <--> 1 <--> (head)
|
|
*/
|
|
dbl_circ_list_add_before(cdll, &elements[4], &elements[5]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 6);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[3].next == &elements[5]);
|
|
UNIT_TEST_ASSERT(elements[5].previous == &elements[3]);
|
|
UNIT_TEST_ASSERT(elements[5].next == &elements[4]);
|
|
UNIT_TEST_ASSERT(elements[4].previous == &elements[5]);
|
|
|
|
/*
|
|
* Add before tail
|
|
* (tail) <--> 2 <--> 3 <--> 5 <--> 4 <--> 0 <--> 6 <--> 1 <--> (head)
|
|
*/
|
|
dbl_circ_list_add_before(cdll, dbl_circ_list_tail(cdll), &elements[6]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 7);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[1]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[0].next == &elements[6]);
|
|
UNIT_TEST_ASSERT(elements[6].previous == &elements[0]);
|
|
UNIT_TEST_ASSERT(elements[6].next == &elements[1]);
|
|
UNIT_TEST_ASSERT(elements[1].previous == &elements[6]);
|
|
|
|
/*
|
|
* Add after tail
|
|
* (tail) <--> 2 <--> 3 <--> 5 <--> 4 <--> 0 <--> 6 <--> 1 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_add_after(cdll, dbl_circ_list_tail(cdll), &elements[7]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 8);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[1].next == &elements[7]);
|
|
UNIT_TEST_ASSERT(elements[7].previous == &elements[1]);
|
|
UNIT_TEST_ASSERT(elements[7].next == &elements[2]);
|
|
UNIT_TEST_ASSERT(elements[2].previous == &elements[7]);
|
|
|
|
/*
|
|
* Find and remove element 5
|
|
* (tail) <--> 2 <--> 3 <--> 4 <--> 0 <--> 6 <--> 1 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll, &elements[5]);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 7);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[3].next == &elements[4]);
|
|
UNIT_TEST_ASSERT(elements[4].previous == &elements[3]);
|
|
|
|
/*
|
|
* Find element 4 and remove what's after it
|
|
* (tail) <--> 2 <--> 3 <--> 4 <--> 6 <--> 1 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll, elements[4].next);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 6);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[4].next == &elements[6]);
|
|
UNIT_TEST_ASSERT(elements[6].previous == &elements[4]);
|
|
|
|
/*
|
|
* Find element 4 and remove what's before it
|
|
* (tail) <--> 2 <--> 4 <--> 6 <--> 1 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll, elements[4].previous);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 5);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[2].next == &elements[4]);
|
|
UNIT_TEST_ASSERT(elements[4].previous == &elements[2]);
|
|
|
|
/*
|
|
* Remove before tail
|
|
* (tail) <--> 2 <--> 4 <--> 6 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll,
|
|
((demo_struct_t *)dbl_circ_list_tail(cdll))->previous);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 4);
|
|
UNIT_TEST_ASSERT(head == &elements[2]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[6].next == &elements[7]);
|
|
UNIT_TEST_ASSERT(elements[7].previous == &elements[6]);
|
|
|
|
/*
|
|
* Remove after tail
|
|
* (tail) <--> 4 <--> 6 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll,
|
|
((demo_struct_t *)dbl_circ_list_tail(cdll))->next);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 3);
|
|
UNIT_TEST_ASSERT(head == &elements[4]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
UNIT_TEST_ASSERT(elements[7].next == &elements[4]);
|
|
UNIT_TEST_ASSERT(elements[4].previous == &elements[7]);
|
|
|
|
/*
|
|
* Remove after head
|
|
* (tail) <--> 4 <--> 7 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll,
|
|
((demo_struct_t *)dbl_circ_list_head(cdll))->next);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 2);
|
|
UNIT_TEST_ASSERT(head == &elements[4]);
|
|
UNIT_TEST_ASSERT(tail == &elements[7]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(head->next == tail);
|
|
UNIT_TEST_ASSERT(tail->previous == head);
|
|
UNIT_TEST_ASSERT(tail->next == head);
|
|
|
|
/*
|
|
* Remove before head
|
|
* (tail) <--> 4 <--> (head)
|
|
*/
|
|
dbl_circ_list_remove(cdll,
|
|
((demo_struct_t *)dbl_circ_list_head(cdll))->previous);
|
|
head = dbl_circ_list_head(cdll);
|
|
tail = dbl_circ_list_tail(cdll);
|
|
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == false);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 1);
|
|
UNIT_TEST_ASSERT(head == &elements[4]);
|
|
UNIT_TEST_ASSERT(tail == &elements[4]);
|
|
UNIT_TEST_ASSERT(head->previous == tail);
|
|
UNIT_TEST_ASSERT(head->next == tail);
|
|
|
|
/* Remove head */
|
|
dbl_circ_list_remove(cdll, dbl_circ_list_head(cdll));
|
|
dbl_circ_list_remove(cdll, dbl_circ_list_head(cdll));
|
|
UNIT_TEST_ASSERT(dbl_circ_list_is_empty(cdll) == true);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_length(cdll) == 0);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_head(cdll) == NULL);
|
|
UNIT_TEST_ASSERT(dbl_circ_list_tail(cdll) == NULL);
|
|
|
|
UNIT_TEST_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(data_structure_test_process, ev, data)
|
|
{
|
|
PROCESS_BEGIN();
|
|
|
|
printf("Run unit-test\n");
|
|
printf("---\n");
|
|
|
|
memset(elements, 0, sizeof(elements));
|
|
|
|
UNIT_TEST_RUN(test_list);
|
|
UNIT_TEST_RUN(test_stack);
|
|
UNIT_TEST_RUN(test_queue);
|
|
UNIT_TEST_RUN(test_csll);
|
|
UNIT_TEST_RUN(test_dll);
|
|
UNIT_TEST_RUN(test_cdll);
|
|
|
|
printf("=check-me= DONE\n");
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|