--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/test_tree.c Sun Sep 26 14:45:51 2021 +0200 @@ -0,0 +1,114 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "cx/tree.h" +#include "test_config.h" + +#include <stddef.h> + +typedef struct TestNode TestNode; + +struct TestNode { + TestNode *parent; + TestNode *prev; + TestNode *next; + + TestNode *children_begin; + TestNode *children_end; + + int content; +}; + +void test_cx_tree_add_node() { + // prepare test tree + TestNode root; + memset(&root, 0, sizeof(TestNode)); + + TestNode a; + memset(&a, 0, sizeof(TestNode)); + root.children_begin = &a; + root.children_end = &a; + a.parent = &root; + a.content = 1; + + // new test nodes + TestNode b; + memset(&b, 0, sizeof(TestNode)); + TestNode c; + memset(&c, 0, sizeof(TestNode)); + + // test + b.content = 2; + int ret = cx_tree_add_node(&a, offsetof(TestNode, parent), offsetof(TestNode, prev), offsetof(TestNode, next), &b); + CU_ASSERT_EQUAL(ret, 0); + CU_ASSERT_PTR_EQUAL(b.parent, &root); + CU_ASSERT_PTR_EQUAL(b.prev, &a); + CU_ASSERT_PTR_EQUAL(b.next, NULL); + CU_ASSERT_PTR_EQUAL(a.next, &b); + + c.content = 3; + ret = cx_tree_add_node(&a, -1, -1, offsetof(TestNode, next), &c); + CU_ASSERT_EQUAL(ret, 0); + CU_ASSERT_PTR_EQUAL(c.parent, NULL); + CU_ASSERT_PTR_EQUAL(c.prev, NULL); + CU_ASSERT_PTR_EQUAL(c.next, NULL); + CU_ASSERT_PTR_EQUAL(b.next, &c); +} + +int main() { + CU_pSuite suite = NULL; + + if (CUE_SUCCESS != CU_initialize_registry()) { + return CU_get_error(); + } + + suite = CU_add_suite("tree suite", NULL, NULL); + if (NULL == suite) { + CU_cleanup_registry(); + return CU_get_error(); + } + + if ( + !CU_add_test(suite, "ll add tree node", test_cx_tree_add_node) + ) { + CU_cleanup_registry(); + return CU_get_error(); + } + + + CU_basic_set_mode(UCX_CU_BRM); + + int exitcode; + if (CU_basic_run_tests()) { + exitcode = CU_get_error(); + } else { + exitcode = CU_get_number_of_failures() == 0 ? 0 : 1; + } + CU_cleanup_registry(); + return exitcode; +}