olaf@425: /*
olaf@425:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
olaf@425:  *
olaf@425:  * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
olaf@425:  *
olaf@425:  * Redistribution and use in source and binary forms, with or without
olaf@425:  * modification, are permitted provided that the following conditions are met:
olaf@425:  *
olaf@425:  *   1. Redistributions of source code must retain the above copyright
olaf@425:  *      notice, this list of conditions and the following disclaimer.
olaf@425:  *
olaf@425:  *   2. Redistributions in binary form must reproduce the above copyright
olaf@425:  *      notice, this list of conditions and the following disclaimer in the
olaf@425:  *      documentation and/or other materials provided with the distribution.
olaf@425:  *
olaf@425:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
olaf@425:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
olaf@425:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
olaf@425:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
olaf@425:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
olaf@425:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
olaf@425:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
olaf@425:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
olaf@425:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
olaf@425:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
olaf@425:  * POSSIBILITY OF SUCH DAMAGE.
olaf@425:  */
olaf@425: 
olaf@425: #include "cx/tree.h"
olaf@425: #include "test_config.h"
olaf@425: 
olaf@425: #include <stddef.h>
olaf@425: 
olaf@425: typedef struct TestNode TestNode;
olaf@425: 
olaf@425: struct TestNode {
olaf@425:     TestNode *parent;
olaf@425:     TestNode *prev;
olaf@425:     TestNode *next;
olaf@425:     
olaf@425:     TestNode *children_begin;
olaf@425:     TestNode *children_end;
olaf@425:     
olaf@425:     int content;
olaf@425: };
olaf@425: 
olaf@425: void test_cx_tree_add_node() {
olaf@425:     // prepare test tree
olaf@425:     TestNode root;
olaf@425:     memset(&root, 0, sizeof(TestNode));
olaf@425:     
olaf@425:     TestNode a;
olaf@425:     memset(&a, 0, sizeof(TestNode));
olaf@425:     root.children_begin = &a;
olaf@425:     root.children_end = &a;
olaf@425:     a.parent = &root;
olaf@425:     a.content = 1;
olaf@425:     
olaf@425:     // new test nodes
olaf@425:     TestNode b;
olaf@425:     memset(&b, 0, sizeof(TestNode));
olaf@425:     TestNode c;
olaf@425:     memset(&c, 0, sizeof(TestNode));
olaf@425:     
olaf@425:     // test
olaf@425:     b.content = 2;
olaf@425:     int ret = cx_tree_add_node(&a, offsetof(TestNode, parent), offsetof(TestNode, prev), offsetof(TestNode, next), &b);
olaf@425:     CU_ASSERT_EQUAL(ret, 0);
olaf@425:     CU_ASSERT_PTR_EQUAL(b.parent, &root);
olaf@425:     CU_ASSERT_PTR_EQUAL(b.prev, &a);
olaf@425:     CU_ASSERT_PTR_EQUAL(b.next, NULL);
olaf@425:     CU_ASSERT_PTR_EQUAL(a.next, &b);
olaf@425:     
olaf@425:     c.content = 3;
olaf@425:     ret = cx_tree_add_node(&a, -1, -1, offsetof(TestNode, next), &c);
olaf@425:     CU_ASSERT_EQUAL(ret, 0);
olaf@425:     CU_ASSERT_PTR_EQUAL(c.parent, NULL);
olaf@425:     CU_ASSERT_PTR_EQUAL(c.prev, NULL);
olaf@425:     CU_ASSERT_PTR_EQUAL(c.next, NULL);
olaf@425:     CU_ASSERT_PTR_EQUAL(b.next, &c);
olaf@425: }
olaf@425: 
olaf@425: int main() {
olaf@425:     CU_pSuite suite = NULL;
olaf@425: 
olaf@425:     if (CUE_SUCCESS != CU_initialize_registry()) {
olaf@425:         return CU_get_error();
olaf@425:     }
olaf@425: 
olaf@425:     suite = CU_add_suite("tree suite", NULL, NULL);
olaf@425:     if (NULL == suite) {
olaf@425:         CU_cleanup_registry();
olaf@425:         return CU_get_error();
olaf@425:     }
olaf@425: 
olaf@425:     if (
olaf@425:             !CU_add_test(suite, "ll add tree node", test_cx_tree_add_node)
olaf@425:             ) {
olaf@425:         CU_cleanup_registry();
olaf@425:         return CU_get_error();
olaf@425:     }
olaf@425:     
olaf@425:     
olaf@425:     CU_basic_set_mode(UCX_CU_BRM);
olaf@425: 
olaf@425:     int exitcode;
olaf@425:     if (CU_basic_run_tests()) {
olaf@425:         exitcode = CU_get_error();
olaf@425:     } else {
olaf@425:         exitcode = CU_get_number_of_failures() == 0 ? 0 : 1;
olaf@425:     }
olaf@425:     CU_cleanup_registry();
olaf@425:     return exitcode;
olaf@425: }