universe@390: /*
universe@390:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@390:  *
universe@390:  * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
universe@390:  *
universe@390:  * Redistribution and use in source and binary forms, with or without
universe@390:  * modification, are permitted provided that the following conditions are met:
universe@390:  *
universe@390:  *   1. Redistributions of source code must retain the above copyright
universe@390:  *      notice, this list of conditions and the following disclaimer.
universe@390:  *
universe@390:  *   2. Redistributions in binary form must reproduce the above copyright
universe@390:  *      notice, this list of conditions and the following disclaimer in the
universe@390:  *      documentation and/or other materials provided with the distribution.
universe@390:  *
universe@390:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@390:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@390:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@390:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@390:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@390:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@390:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@390:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@390:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@390:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@390:  * POSSIBILITY OF SUCH DAMAGE.
universe@390:  */
universe@390: 
universe@398: #include "cx/linked_list.h"
universe@411: #include "test_config.h"
universe@422: #include "util_allocator.h"
universe@398: 
universe@412: int cmp_int(int const *l, int const *r) {
universe@412:     int left = *l, right = *r;
universe@412:     return left == right ? 0 : (left < right ? -1 : 1);
universe@412: }
universe@412: 
universe@438: void test_linked_list_at(void) {
universe@438:     struct node {
universe@438:         void *next;
universe@438:         void *prev;
universe@438:     };
universe@438:     const ptrdiff_t loc_prev = offsetof(struct node, prev);
universe@438:     const ptrdiff_t loc_next = offsetof(struct node, next);
universe@438: 
universe@438:     struct node a, b, c, d;
universe@438:     a.prev = NULL;
universe@438:     a.next = &b;
universe@438:     b.prev = &a;
universe@438:     b.next = &c;
universe@438:     c.prev = &b;
universe@438:     c.next = &d;
universe@438:     d.prev = &c;
universe@438:     d.next = NULL;
universe@438: 
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&a, 0, loc_next, 0), &a)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&a, 0, loc_next, 1), &b)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&a, 0, loc_next, 2), &c)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&a, 0, loc_next, 3), &d)
universe@449:     CU_ASSERT_PTR_NULL(cx_linked_list_at(&a, 0, loc_next, 4))
universe@438: 
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&b, 1, loc_prev, 0), &a)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&b, 1, loc_next, 1), &b)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&b, 1, loc_next, 2), &c)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&b, 1, loc_next, 3), &d)
universe@449:     CU_ASSERT_PTR_NULL(cx_linked_list_at(&b, 1, loc_next, 4))
universe@438: 
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&d, 3, loc_prev, 0), &a)
universe@449:     CU_ASSERT_PTR_EQUAL(cx_linked_list_at(&d, 3, loc_prev, 1), &b)
universe@438: }
universe@438: 
olaf@444: void test_linked_list_add(void) {
olaf@442:     struct node {
olaf@442:         void *prev;
olaf@442:         void *next;
olaf@442:     };
universe@449: 
olaf@442:     struct node nodes[4];
universe@449: 
olaf@442:     // test with begin, end / prev, next
universe@449:     memset(nodes, 0, 4 * sizeof(struct node));
olaf@442:     void *begin = NULL;
olaf@442:     void *end = NULL;
universe@449: 
olaf@442:     ptrdiff_t loc_prev = offsetof(struct node, prev);
olaf@442:     ptrdiff_t loc_next = offsetof(struct node, next);
universe@449: 
universe@453:     cx_linked_list_add(&begin, &end, loc_prev, loc_next, &nodes[0]);
universe@449:     CU_ASSERT_PTR_EQUAL(begin, &nodes[0])
universe@449:     CU_ASSERT_PTR_EQUAL(end, &nodes[0])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[0].prev, NULL)
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[0].next, NULL)
universe@449: 
universe@453:     cx_linked_list_add(&begin, &end, loc_prev, loc_next, &nodes[1]);
universe@449:     CU_ASSERT_PTR_EQUAL(begin, &nodes[0])
universe@449:     CU_ASSERT_PTR_EQUAL(end, &nodes[1])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[0].next, &nodes[1])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[1].prev, &nodes[0])
universe@449: 
olaf@442:     // test with begin only / prev, next
universe@449:     memset(nodes, 0, 4 * sizeof(struct node));
olaf@442:     begin = NULL;
olaf@442:     end = NULL;
universe@449: 
universe@453:     cx_linked_list_add(&begin, NULL, loc_prev, loc_next, &nodes[0]);
universe@449:     CU_ASSERT_PTR_EQUAL(begin, &nodes[0])
universe@453:     cx_linked_list_add(&begin, NULL, loc_prev, loc_next, &nodes[1]);
universe@449:     CU_ASSERT_PTR_EQUAL(begin, &nodes[0])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[0].next, &nodes[1])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[1].prev, &nodes[0])
universe@449: 
universe@453:     cx_linked_list_add(&begin, NULL, loc_prev, loc_next, &nodes[2]);
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[1].next, &nodes[2])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[2].prev, &nodes[1])
universe@449: 
olaf@442:     // test with begin, end / next
universe@449:     memset(nodes, 0, 4 * sizeof(struct node));
olaf@442:     begin = NULL;
olaf@442:     end = NULL;
universe@449: 
universe@453:     cx_linked_list_add(&begin, &end, -1, loc_next, &nodes[0]);
universe@449:     CU_ASSERT_PTR_EQUAL(begin, &nodes[0])
universe@449:     CU_ASSERT_PTR_EQUAL(end, &nodes[0])
universe@453:     cx_linked_list_add(&begin, &end, -1, loc_next, &nodes[1]);
universe@449:     CU_ASSERT_PTR_EQUAL(end, &nodes[1])
universe@449:     CU_ASSERT_PTR_EQUAL(nodes[0].next, &nodes[1])
universe@449:     CU_ASSERT_PTR_NULL(nodes[1].prev)
olaf@442: }
olaf@442: 
universe@455: 
universe@455: void test_linked_list_create(void) {
universe@455:     cxTestingAllocatorReset();
universe@455: 
universe@455:     CxList list = cxLinkedListCreate(cxTestingAllocator, (CxListComparator) cmp_int, sizeof(int));
universe@455: 
universe@455:     CU_ASSERT_EQUAL(list->size, 0)
universe@455:     CU_ASSERT_EQUAL(list->capacity, (size_t) -1)
universe@455:     CU_ASSERT_PTR_EQUAL(list->allocator, cxTestingAllocator)
universe@455:     CU_ASSERT_EQUAL(list->itemsize, sizeof(int))
universe@455:     CU_ASSERT_PTR_EQUAL(list->cmpfunc, cmp_int)
universe@455: 
universe@455:     // assume this structure for a linked list
universe@455:     struct ll_check {
universe@455:         cx_list_s base;
universe@455:         void *begin;
universe@455:         void *end;
universe@455:     };
universe@455: 
universe@455:     struct ll_check *actual = (struct ll_check *) list;
universe@455:     CU_ASSERT_PTR_NULL(actual->begin)
universe@455:     CU_ASSERT_PTR_NULL(actual->end)
universe@455: 
universe@455:     cxLinkedListDestroy(list);
universe@455: 
universe@455:     CU_ASSERT_TRUE(cxTestingAllocatorVerify())
universe@455: }
universe@455: 
universe@390: int main() {
universe@411:     CU_pSuite suite = NULL;
universe@449: 
universe@411:     if (CUE_SUCCESS != CU_initialize_registry()) {
universe@411:         return CU_get_error();
universe@411:     }
universe@411: 
universe@455:     suite = CU_add_suite("low level linked list suite", NULL, NULL);
universe@449: 
universe@455:     cu_add_test(suite, test_linked_list_at);
universe@455:     cu_add_test(suite, test_linked_list_add);
universe@455: 
universe@455:     suite = CU_add_suite("high level linked list suite", NULL, NULL);
universe@455: 
universe@455:     cu_add_test(suite, test_linked_list_create);
universe@413: 
universe@411:     CU_basic_set_mode(UCX_CU_BRM);
universe@411: 
universe@411:     int exitcode;
universe@411:     if (CU_basic_run_tests()) {
universe@411:         exitcode = CU_get_error();
universe@411:     } else {
universe@411:         exitcode = CU_get_number_of_failures() == 0 ? 0 : 1;
universe@411:     }
universe@411:     CU_cleanup_registry();
universe@411:     return exitcode;
universe@390: }