tests/test_tree.c

changeset 826
21840975d541
parent 816
425234b05dff
child 833
5c926801f052
equal deleted inserted replaced
825:3f324ea53152 826:21840975d541
40 40
41 #define tree_node_layout \ 41 #define tree_node_layout \
42 offsetof(tree_node, parent), offsetof(tree_node, children), \ 42 offsetof(tree_node, parent), offsetof(tree_node, children), \
43 offsetof(tree_node, prev), offsetof(tree_node, next) 43 offsetof(tree_node, prev), offsetof(tree_node, next)
44 44
45 #define tree_child_list offsetof(tree_node, children),offsetof(tree_node, next)
46
45 CX_TEST(test_tree_link_new_child) { 47 CX_TEST(test_tree_link_new_child) {
46 tree_node parent = {0}; 48 tree_node parent = {0};
47 tree_node child = {0}; 49 tree_node child = {0};
48 50
49 CX_TEST_DO { 51 CX_TEST_DO {
158 CX_TEST_ASSERT(child2.prev == NULL); 160 CX_TEST_ASSERT(child2.prev == NULL);
159 CX_TEST_ASSERT(child2.next == NULL); 161 CX_TEST_ASSERT(child2.next == NULL);
160 } 162 }
161 } 163 }
162 164
165 static int test_tree_search_function(void const *n, void const *d) {
166 tree_node const *node = n;
167 int data = *((int const*)d);
168
169 if (data < node->data) return -1;
170 else if (data == node->data) return 0;
171 else return data - node->data;
172 }
173
174 CX_TEST(test_tree_search) {
175 tree_node root = {0};
176 tree_node a = {0};
177 tree_node b = {0};
178 tree_node c = {0};
179 tree_node aa = {0};
180 tree_node ab = {0};
181 tree_node ba = {0};
182 tree_node ca = {0};
183 tree_node cb = {0};
184 tree_node cc = {0};
185 tree_node cba = {0};
186
187 int testdata[] = {0, 10, 14, 18, 20, 25, 30, 32, 34, 36, 40};
188 tree_node* testnodes[] = {&root, &a, &aa, &ab, &b, &ba, &c, &ca, &cb, &cba, &cc};
189
190 for (unsigned i = 0 ; i <= 10 ; i++) {
191 testnodes[i]->data = testdata[i];
192 }
193
194 cx_tree_link(&root, &a, tree_node_layout);
195 cx_tree_link(&root, &b, tree_node_layout);
196 cx_tree_link(&root, &c, tree_node_layout);
197
198 cx_tree_link(&a, &aa, tree_node_layout);
199 cx_tree_link(&a, &ab, tree_node_layout);
200
201 cx_tree_link(&b, &ba, tree_node_layout);
202
203 cx_tree_link(&c, &ca, tree_node_layout);
204 cx_tree_link(&c, &cb, tree_node_layout);
205 cx_tree_link(&c, &cc, tree_node_layout);
206
207 cx_tree_link(&cb, &cba, tree_node_layout);
208
209 int s;
210 int r;
211 tree_node *n;
212 CX_TEST_DO {
213 for (unsigned i = 0 ; i <= 10 ; i++) {
214 s = testdata[i];
215 r = cx_tree_search(&root, &s, test_tree_search_function,
216 (void **) &n, tree_child_list);
217 CX_TEST_ASSERT(r == 0);
218 CX_TEST_ASSERT(n == testnodes[i]);
219 }
220
221 s = -5;
222 r = cx_tree_search(&root, &s, test_tree_search_function,
223 (void **) &n, tree_child_list);
224 CX_TEST_ASSERT(r < 0);
225 CX_TEST_ASSERT(n == NULL);
226
227 s = 26;
228 r = cx_tree_search(&root, &s, test_tree_search_function,
229 (void **) &n, tree_child_list);
230 CX_TEST_ASSERT(r > 0);
231 CX_TEST_ASSERT(n == &ba);
232
233 s = 35;
234 r = cx_tree_search(&root, &s, test_tree_search_function,
235 (void **) &n, tree_child_list);
236 CX_TEST_ASSERT(r > 0);
237 CX_TEST_ASSERT(n == &cb);
238
239 s = 38;
240 r = cx_tree_search(&root, &s, test_tree_search_function,
241 (void **) &n, tree_child_list);
242 CX_TEST_ASSERT(r > 0);
243 CX_TEST_ASSERT(n == &cba);
244
245 s = 42;
246 r = cx_tree_search(&root, &s, test_tree_search_function,
247 (void **) &n, tree_child_list);
248 CX_TEST_ASSERT(r > 0);
249 CX_TEST_ASSERT(n == &cc);
250 }
251 }
252
163 CxTestSuite *cx_test_suite_tree_low_level(void) { 253 CxTestSuite *cx_test_suite_tree_low_level(void) {
164 CxTestSuite *suite = cx_test_suite_new("tree (low level)"); 254 CxTestSuite *suite = cx_test_suite_new("tree (low level)");
165 255
166 cx_test_register(suite, test_tree_link_new_child); 256 cx_test_register(suite, test_tree_link_new_child);
167 cx_test_register(suite, test_tree_link_add_child); 257 cx_test_register(suite, test_tree_link_add_child);
168 cx_test_register(suite, test_tree_link_move_to_other_parent); 258 cx_test_register(suite, test_tree_link_move_to_other_parent);
169 cx_test_register(suite, test_tree_unlink); 259 cx_test_register(suite, test_tree_unlink);
260 cx_test_register(suite, test_tree_search);
170 261
171 return suite; 262 return suite;
172 } 263 }

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