1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #include "cx/tree.h" |
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30 #include "test_config.h" |
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31 |
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32 #include <stddef.h> |
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33 |
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34 typedef struct TestNode TestNode; |
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35 |
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36 struct TestNode { |
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37 TestNode *parent; |
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38 TestNode *prev; |
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39 TestNode *next; |
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40 |
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41 TestNode *children_begin; |
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42 TestNode *children_end; |
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43 }; |
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44 |
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45 void test_tree_add_sibling(void) { |
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46 // prepare test tree |
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47 TestNode root; |
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48 memset(&root, 0, sizeof(TestNode)); |
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49 |
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50 TestNode a; |
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51 memset(&a, 0, sizeof(TestNode)); |
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52 root.children_begin = &a; |
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53 root.children_end = &a; |
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54 a.parent = &root; |
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55 |
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56 // new test nodes |
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57 TestNode b; |
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58 memset(&b, 0, sizeof(TestNode)); |
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59 TestNode c; |
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60 memset(&c, 0, sizeof(TestNode)); |
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61 |
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62 // test |
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63 cx_tree_add_sibling(&a, offsetof(TestNode, prev), offsetof(TestNode, next), offsetof(TestNode, parent), &b); |
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64 CU_ASSERT_PTR_EQUAL(b.parent, &root) |
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65 CU_ASSERT_PTR_EQUAL(b.prev, &a) |
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66 CU_ASSERT_PTR_NULL(b.next) |
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67 CU_ASSERT_PTR_EQUAL(a.next, &b) |
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68 |
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69 cx_tree_add_sibling(&a, -1, offsetof(TestNode, next), -1, &c); |
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70 CU_ASSERT_PTR_NULL(c.parent) |
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71 CU_ASSERT_PTR_NULL(c.prev) |
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72 CU_ASSERT_PTR_NULL(c.next) |
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73 CU_ASSERT_PTR_EQUAL(b.next, &c) |
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74 } |
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75 |
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76 void test_tree_add_child(void) { |
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77 // prepare test tree |
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78 TestNode root; |
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79 memset(&root, 0, sizeof(TestNode)); |
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80 |
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81 TestNode a; |
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82 memset(&a, 0, sizeof(TestNode)); |
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83 TestNode b; |
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84 memset(&b, 0, sizeof(TestNode)); |
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85 TestNode c; |
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86 memset(&c, 0, sizeof(TestNode)); |
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87 TestNode a1; |
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88 memset(&a1, 0, sizeof(TestNode)); |
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89 |
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90 // test |
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91 cx_tree_add_child( |
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92 (void **) &root.children_begin, |
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93 (void **) &root.children_end, |
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94 offsetof(TestNode, prev), |
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95 offsetof(TestNode, next), |
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96 &a, |
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97 offsetof(TestNode, parent), |
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98 &root); |
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99 CU_ASSERT_PTR_EQUAL(root.children_begin, &a) |
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100 CU_ASSERT_PTR_EQUAL(root.children_end, &a) |
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101 CU_ASSERT_PTR_EQUAL(a.parent, &root) |
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102 CU_ASSERT_PTR_NULL(a.prev) |
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103 CU_ASSERT_PTR_NULL(a.next) |
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104 |
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105 cx_tree_add_child( |
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106 (void **) &root.children_begin, |
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107 (void **) &root.children_end, |
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108 offsetof(TestNode, prev), |
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109 offsetof(TestNode, next), |
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110 &b, |
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111 offsetof(TestNode, parent), |
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112 &root); |
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113 CU_ASSERT_PTR_NOT_NULL(root.children_begin) |
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114 CU_ASSERT_PTR_EQUAL(root.children_begin->next, &b) |
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115 CU_ASSERT_PTR_EQUAL(root.children_end, &b) |
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116 CU_ASSERT_PTR_EQUAL(b.parent, &root) |
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117 CU_ASSERT_PTR_EQUAL(b.prev, &a) |
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118 |
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119 cx_tree_add_child( |
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120 (void **) &root.children_begin, |
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121 NULL, |
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122 -1, |
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123 offsetof(TestNode, next), |
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124 &c, |
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125 -1, |
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126 &root); |
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127 CU_ASSERT_PTR_EQUAL(root.children_end, &b) // children_end unchanged |
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128 CU_ASSERT_PTR_EQUAL(b.next, &c) |
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129 CU_ASSERT_PTR_NULL(c.prev) |
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130 CU_ASSERT_PTR_NULL(c.next) |
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131 CU_ASSERT_PTR_NULL(c.parent) |
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132 |
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133 cx_tree_add_child( |
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134 (void **) &a.children_begin, |
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135 (void **) &a.children_end, |
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136 offsetof(TestNode, prev), |
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137 offsetof(TestNode, next), |
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138 &a1, |
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139 offsetof(TestNode, parent), |
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140 &a); |
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141 CU_ASSERT_PTR_EQUAL(a.children_begin, &a1); |
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142 CU_ASSERT_PTR_EQUAL(a1.parent, &a); |
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143 CU_ASSERT_PTR_NOT_NULL(root.children_begin) |
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144 CU_ASSERT_PTR_EQUAL(root.children_begin->children_begin, &a1) |
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145 } |
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146 |
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147 int main() { |
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148 CU_pSuite suite = NULL; |
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149 |
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150 if (CUE_SUCCESS != CU_initialize_registry()) { |
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151 return CU_get_error(); |
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152 } |
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153 |
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154 suite = CU_add_suite("tree suite", NULL, NULL); |
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155 |
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156 cu_add_test(suite, test_tree_add_sibling); |
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157 cu_add_test(suite, test_tree_add_child); |
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158 |
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159 CU_basic_set_mode(UCX_CU_BRM); |
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160 |
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161 int exitcode; |
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162 if (CU_basic_run_tests()) { |
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163 exitcode = CU_get_error(); |
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164 } else { |
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165 exitcode = CU_get_number_of_failures() == 0 ? 0 : 1; |
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166 } |
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167 CU_cleanup_registry(); |
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168 return exitcode; |
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169 } |
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