test/test_list.c

Tue, 28 Sep 2021 18:03:10 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 28 Sep 2021 18:03:10 +0200
changeset 442
310019ddfe4e
parent 438
cd3069757010
child 443
d6d8712e15bc
permissions
-rw-r--r--

add test for cx_linked_list_add

     1 /*
     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     3  *
     4  * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
     5  *
     6  * Redistribution and use in source and binary forms, with or without
     7  * modification, are permitted provided that the following conditions are met:
     8  *
     9  *   1. Redistributions of source code must retain the above copyright
    10  *      notice, this list of conditions and the following disclaimer.
    11  *
    12  *   2. Redistributions in binary form must reproduce the above copyright
    13  *      notice, this list of conditions and the following disclaimer in the
    14  *      documentation and/or other materials provided with the distribution.
    15  *
    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    26  * POSSIBILITY OF SUCH DAMAGE.
    27  */
    29 #include "cx/linked_list.h"
    30 #include "test_config.h"
    31 #include "util_allocator.h"
    33 int cmp_int(int const *l, int const *r) {
    34     int left = *l, right = *r;
    35     return left == right ? 0 : (left < right ? -1 : 1);
    36 }
    38 void test_linked_list_create(void) {
    39     cxTestingAllocatorReset();
    41     CxList list = cxLinkedListCreate(cxTestingAllocator, (CxListComparator) cmp_int, sizeof(int));
    43     CU_ASSERT_EQUAL(list->size, 0)
    44     CU_ASSERT_EQUAL(list->capacity, (size_t) -1)
    45     CU_ASSERT_PTR_EQUAL(list->allocator, cxTestingAllocator)
    46     CU_ASSERT_EQUAL(list->itemsize, sizeof(int))
    47     CU_ASSERT_PTR_EQUAL(list->cmpfunc, cmp_int)
    49     // assume this structure for a linked list
    50     struct ll_check {
    51         cx_list_s base;
    52         void *begin;
    53         void *end;
    54         ptrdiff_t ploc;
    55         ptrdiff_t nloc;
    56     };
    58     struct ll_check *actual = (struct ll_check *) list;
    59     CU_ASSERT_PTR_NULL(actual->begin)
    60     CU_ASSERT_PTR_NULL(actual->end)
    61     CU_ASSERT_EQUAL(0, actual->ploc)
    62     CU_ASSERT_EQUAL(sizeof(void *), actual->nloc)
    64     cxLinkedListDestroy(list);
    66     CU_ASSERT_TRUE(cxTestingAllocatorVerify())
    67 }
    69 void test_linked_list_at(void) {
    70     struct node {
    71         void *next;
    72         void *prev;
    73     };
    74     const ptrdiff_t loc_prev = offsetof(struct node, prev);
    75     const ptrdiff_t loc_next = offsetof(struct node, next);
    77     struct node a, b, c, d;
    78     a.prev = NULL;
    79     a.next = &b;
    80     b.prev = &a;
    81     b.next = &c;
    82     c.prev = &b;
    83     c.next = &d;
    84     d.prev = &c;
    85     d.next = NULL;
    87     CU_ASSERT_PTR_EQUAL(&a, cx_linked_list_at(&a, 0, loc_next, 0));
    88     CU_ASSERT_PTR_EQUAL(&b, cx_linked_list_at(&a, 0, loc_next, 1));
    89     CU_ASSERT_PTR_EQUAL(&c, cx_linked_list_at(&a, 0, loc_next, 2));
    90     CU_ASSERT_PTR_EQUAL(&d, cx_linked_list_at(&a, 0, loc_next, 3));
    91     CU_ASSERT_PTR_NULL(cx_linked_list_at(&a, 0, loc_next, 4));
    93     CU_ASSERT_PTR_EQUAL(&a, cx_linked_list_at(&b, 1, loc_prev, 0));
    94     CU_ASSERT_PTR_EQUAL(&b, cx_linked_list_at(&b, 1, loc_next, 1));
    95     CU_ASSERT_PTR_EQUAL(&c, cx_linked_list_at(&b, 1, loc_next, 2));
    96     CU_ASSERT_PTR_EQUAL(&d, cx_linked_list_at(&b, 1, loc_next, 3));
    97     CU_ASSERT_PTR_NULL(cx_linked_list_at(&b, 1, loc_next, 4));
    99     CU_ASSERT_PTR_EQUAL(&a, cx_linked_list_at(&d, 3, loc_prev, 0));
   100     CU_ASSERT_PTR_EQUAL(&b, cx_linked_list_at(&d, 3, loc_prev, 1));
   101 }
   103 void test_cx_linked_list_add(void) {
   104     struct node {
   105         void *prev;
   106         void *next;
   107         int value;
   108     };
   110     struct node nodes[4];
   112     // test with begin, end / prev, next
   113     memset(nodes, 0, 4*sizeof(struct node));
   114     void *begin = NULL;
   115     void *end = NULL;
   117     ptrdiff_t loc_prev = offsetof(struct node, prev);
   118     ptrdiff_t loc_next = offsetof(struct node, next);
   120     int ret;
   121     ret = cx_linked_list_add(&begin, &end, loc_prev, loc_next, &nodes[0]);
   122     CU_ASSERT_EQUAL(ret, 0);
   123     CU_ASSERT_PTR_EQUAL(begin, &nodes[0]);
   124     CU_ASSERT_PTR_EQUAL(end, &nodes[0]);
   125     CU_ASSERT_PTR_EQUAL(nodes[0].prev, NULL);
   126     CU_ASSERT_PTR_EQUAL(nodes[0].next, NULL);
   128     ret = cx_linked_list_add(&begin, &end, loc_prev, loc_next, &nodes[1]);
   129     CU_ASSERT_EQUAL(ret, 0);
   130     CU_ASSERT_PTR_EQUAL(begin, &nodes[0]);
   131     CU_ASSERT_PTR_EQUAL(end, &nodes[1]);
   132     CU_ASSERT_PTR_EQUAL(nodes[0].next, &nodes[1]);
   133     CU_ASSERT_PTR_EQUAL(nodes[1].prev, &nodes[0]);
   135     // test with begin only / prev, next
   136     memset(nodes, 0, 4*sizeof(struct node));
   137     begin = NULL;
   138     end = NULL;
   140     ret = cx_linked_list_add(&begin, NULL, loc_prev, loc_next, &nodes[0]);
   141     CU_ASSERT_EQUAL(ret, 0);
   142     CU_ASSERT_PTR_EQUAL(begin, &nodes[0]);
   143     ret = cx_linked_list_add(&begin, NULL, loc_prev, loc_next, &nodes[1]);
   144     CU_ASSERT_EQUAL(ret, 0);
   145     CU_ASSERT_PTR_EQUAL(begin, &nodes[0]);
   146     CU_ASSERT_PTR_EQUAL(nodes[0].next, &nodes[1]);
   147     CU_ASSERT_PTR_EQUAL(nodes[1].prev, &nodes[0]);
   149     ret = cx_linked_list_add(&begin, NULL, loc_prev, loc_next, &nodes[2]);
   150     CU_ASSERT_PTR_EQUAL(nodes[1].next, &nodes[2]);
   151     CU_ASSERT_PTR_EQUAL(nodes[2].prev, &nodes[1]);
   153     // test with begin, end / next
   154     memset(nodes, 0, 4*sizeof(struct node));
   155     begin = NULL;
   156     end = NULL;
   158     ret = cx_linked_list_add(&begin, &end, -1, loc_next, &nodes[0]);
   159     CU_ASSERT_EQUAL(ret, 0);
   160     CU_ASSERT_PTR_EQUAL(begin, &nodes[0]);
   161     CU_ASSERT_PTR_EQUAL(end, &nodes[0]);
   162     ret = cx_linked_list_add(&begin, &end, -1, loc_next, &nodes[1]);
   163     CU_ASSERT_PTR_EQUAL(end, &nodes[1]);
   164     CU_ASSERT_PTR_EQUAL(nodes[0].next, &nodes[1]);
   165     CU_ASSERT_PTR_EQUAL(nodes[1].prev, NULL);
   166 }
   168 int main() {
   169     CU_pSuite suite = NULL;
   171     if (CUE_SUCCESS != CU_initialize_registry()) {
   172         return CU_get_error();
   173     }
   175     suite = CU_add_suite("linked list suite", NULL, NULL);
   176     if (NULL == suite) {
   177         CU_cleanup_registry();
   178         return CU_get_error();
   179     }
   181     if (
   182             !CU_add_test(suite, "linked list: create and destroy", test_linked_list_create) ||
   183             !CU_add_test(suite, "linked list: get node at index", test_linked_list_at) ||
   184             !CU_add_test(suite, "linked list: add", test_cx_linked_list_add)
   185             ) {
   186         CU_cleanup_registry();
   187         return CU_get_error();
   188     }
   190     suite = CU_add_suite("array suite", NULL, NULL);
   191     if (NULL == suite) {
   192         CU_cleanup_registry();
   193         return CU_get_error();
   194     }
   196     /*
   197     if (
   198             !CU_add_test(suite, "array...", test_array...)
   199             ) {
   200         CU_cleanup_registry();
   201         return CU_get_error();
   202     }
   203     */
   205     CU_basic_set_mode(UCX_CU_BRM);
   207     int exitcode;
   208     if (CU_basic_run_tests()) {
   209         exitcode = CU_get_error();
   210     } else {
   211         exitcode = CU_get_number_of_failures() == 0 ? 0 : 1;
   212     }
   213     CU_cleanup_registry();
   214     return exitcode;
   215 }

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