1 /* dict - a generic dictionary, variation over hash table */
3 /* Copyright (c) 2004-2011. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include "xbt/mallocator.h"
14 #include "xbt_modinter.h"
16 #include "dict_private.h"
18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict, xbt,
19 "Dictionaries provide the same functionalities than hash tables");
23 * \return pointer to the destination
24 * \see xbt_dict_free()
26 * Creates and initialize a new dictionary with a default hashtable size.
27 * The dictionary is heterogeneous: each element can have a different free
30 xbt_dict_t xbt_dict_new(void)
32 xbt_dict_t dict = xbt_dict_new_homogeneous(NULL);
33 dict->homogeneous = 0;
40 * \param free_ctn function to call with (\a data as argument) when
41 * \a data is removed from the dictionary
42 * \return pointer to the destination
43 * \see xbt_dict_new(), xbt_dict_free()
45 * Creates and initialize a new dictionary with a default hashtable size.
46 * The dictionary is homogeneous: each element share the same free function.
48 xbt_dict_t xbt_dict_new_homogeneous(void_f_pvoid_t free_ctn)
52 dict = xbt_new(s_xbt_dict_t, 1);
53 dict->free_f = free_ctn;
54 dict->table_size = 127;
55 dict->table = xbt_new0(xbt_dictelm_t, dict->table_size + 1);
58 dict->homogeneous = 1;
65 * \param dict the dictionary to be freed
67 * Frees a dictionary with all the data
69 void xbt_dict_free(xbt_dict_t * dict)
72 xbt_dictelm_t current, previous;
76 // if ( *dict ) xbt_dict_dump_sizes(*dict);
78 if (dict != NULL && *dict != NULL) {
79 table_size = (*dict)->table_size;
80 table = (*dict)->table;
81 /* Warning: the size of the table is 'table_size+1'...
82 * This is because table_size is used as a binary mask in xbt_dict_rehash */
83 for (i = 0; (*dict)->count && i <= table_size; i++) {
85 while (current != NULL) {
87 current = current->next;
88 xbt_dictelm_free(*dict, previous);
99 * Returns the amount of elements in the dict
101 XBT_INLINE unsigned int xbt_dict_size(xbt_dict_t dict)
103 return (dict ? (unsigned int) dict->count : (unsigned int) 0);
106 /* Expend the size of the dict */
107 static void xbt_dict_rehash(xbt_dict_t dict)
109 const int oldsize = dict->table_size + 1;
110 register int newsize = oldsize * 2;
112 register xbt_dictelm_t *currcell;
113 register xbt_dictelm_t *twincell;
114 register xbt_dictelm_t bucklet;
115 register xbt_dictelm_t *pprev;
118 (xbt_dictelm_t *) xbt_realloc((char *) dict->table,
119 newsize * sizeof(xbt_dictelm_t));
120 memset(&currcell[oldsize], 0, oldsize * sizeof(xbt_dictelm_t)); /* zero second half */
121 dict->table_size = --newsize;
122 dict->table = currcell;
123 XBT_DEBUG("REHASH (%d->%d)", oldsize, newsize);
125 for (i = 0; i < oldsize; i++, currcell++) {
126 if (!*currcell) /* empty cell */
128 twincell = currcell + oldsize;
129 for (pprev = currcell, bucklet = *currcell; bucklet; bucklet = *pprev) {
130 /* Since we use "& size" instead of "%size" and since the size was doubled,
131 each bucklet of this cell must either :
132 - stay in cell i (ie, currcell)
133 - go to the cell i+oldsize (ie, twincell) */
134 if ((bucklet->hash_code & newsize) != i) { /* Move to b */
135 *pprev = bucklet->next;
136 bucklet->next = *twincell;
142 pprev = &bucklet->next;
147 if (!*currcell) /* everything moved */
153 * \brief Add data to the dict (arbitrary key)
154 * \param dict the container
155 * \param key the key to set the new data
156 * \param key_len the size of the \a key
157 * \param data the data to add in the dict
158 * \param free_ctn function to call with (\a data as argument) when
159 * \a data is removed from the dictionary
161 * Set the \a data in the structure under the \a key, which can be any kind
162 * of data, as long as its length is provided in \a key_len.
164 XBT_INLINE void xbt_dict_set_ext(xbt_dict_t dict,
165 const char *key, int key_len,
166 void *data, void_f_pvoid_t free_ctn)
169 unsigned int hash_code = xbt_str_hash_ext(key, key_len);
171 xbt_dictelm_t current, previous = NULL;
174 XBT_DEBUG("ADD %.*s hash = %u, size = %d, & = %u", key_len, key, hash_code,
175 dict->table_size, hash_code & dict->table_size);
176 current = dict->table[hash_code & dict->table_size];
177 while (current != NULL &&
178 (hash_code != current->hash_code || key_len != current->key_len
179 || memcmp(key, current->key, key_len))) {
181 current = current->next;
184 if (current == NULL) {
185 /* this key doesn't exist yet */
186 current = xbt_dictelm_new(dict, key, key_len, hash_code, data, free_ctn);
188 if (previous == NULL) {
189 dict->table[hash_code & dict->table_size] = current;
191 if ((dict->fill * 100) / (dict->table_size + 1) > MAX_FILL_PERCENT)
192 xbt_dict_rehash(dict);
194 previous->next = current;
197 XBT_DEBUG("Replace %.*s by %.*s under key %.*s",
198 key_len, (char *) current->content,
199 key_len, (char *) data, key_len, (char *) key);
200 /* there is already an element with the same key: overwrite it */
201 xbt_dictelm_set_data(dict, current, data, free_ctn);
206 * \brief Add data to the dict (null-terminated key)
208 * \param dict the dict
209 * \param key the key to set the new data
210 * \param data the data to add in the dict
211 * \param free_ctn function to call with (\a data as argument) when
212 * \a data is removed from the dictionary
214 * set the \a data in the structure under the \a key, which is a
215 * null terminated string.
217 XBT_INLINE void xbt_dict_set(xbt_dict_t dict,
218 const char *key, void *data,
219 void_f_pvoid_t free_ctn)
222 xbt_dict_set_ext(dict, key, strlen(key), data, free_ctn);
226 * \brief Retrieve data from the dict (arbitrary key)
228 * \param dict the dealer of data
229 * \param key the key to find data
230 * \param key_len the size of the \a key
231 * \return the data that we are looking for
233 * Search the given \a key. Throws not_found_error when not found.
235 XBT_INLINE void *xbt_dict_get_ext(xbt_dict_t dict, const char *key,
240 unsigned int hash_code = xbt_str_hash_ext(key, key_len);
241 xbt_dictelm_t current;
245 current = dict->table[hash_code & dict->table_size];
246 while (current != NULL &&
247 (hash_code != current->hash_code || key_len != current->key_len
248 || memcmp(key, current->key, key_len))) {
249 current = current->next;
253 THROWF(not_found_error, 0, "key %.*s not found", key_len, key);
255 return current->content;
259 * \brief like xbt_dict_get_ext(), but returning NULL when not found
261 void *xbt_dict_get_or_null_ext(xbt_dict_t dict, const char *key,
265 unsigned int hash_code = xbt_str_hash_ext(key, key_len);
266 xbt_dictelm_t current;
270 current = dict->table[hash_code & dict->table_size];
271 while (current != NULL &&
272 (hash_code != current->hash_code || key_len != current->key_len
273 || memcmp(key, current->key, key_len))) {
274 current = current->next;
280 return current->content;
284 * @brief retrieve the key associated to that object. Warning, that's a linear search
286 * Returns NULL if the object cannot be found
288 char *xbt_dict_get_key(xbt_dict_t dict, const void *data)
291 xbt_dictelm_t current;
294 for (i = 0; i <= dict->table_size; i++) {
295 current = dict->table[i];
296 while (current != NULL) {
297 if (current->content == data)
299 current = current->next;
307 * \brief Retrieve data from the dict (null-terminated key)
309 * \param dict the dealer of data
310 * \param key the key to find data
311 * \return the data that we are looking for
313 * Search the given \a key. Throws not_found_error when not found.
314 * Check xbt_dict_get_or_null() for a version returning NULL without exception when
317 XBT_INLINE void *xbt_dict_get(xbt_dict_t dict, const char *key)
320 unsigned int hash_code = xbt_str_hash(key);
321 xbt_dictelm_t current;
325 current = dict->table[hash_code & dict->table_size];
326 while (current != NULL
327 && (hash_code != current->hash_code || strcmp(key, current->key)))
328 current = current->next;
331 THROWF(not_found_error, 0, "key %s not found", key);
333 return current->content;
337 * \brief like xbt_dict_get(), but returning NULL when not found
339 XBT_INLINE void *xbt_dict_get_or_null(xbt_dict_t dict, const char *key)
341 unsigned int hash_code = xbt_str_hash(key);
342 xbt_dictelm_t current;
346 current = dict->table[hash_code & dict->table_size];
347 while (current != NULL &&
348 (hash_code != current->hash_code || strcmp(key, current->key)))
349 current = current->next;
354 return current->content;
359 * \brief Remove data from the dict (arbitrary key)
361 * \param dict the trash can
362 * \param key the key of the data to be removed
363 * \param key_len the size of the \a key
365 * Remove the entry associated with the given \a key (throws not_found)
367 XBT_INLINE void xbt_dict_remove_ext(xbt_dict_t dict, const char *key,
372 unsigned int hash_code = xbt_str_hash_ext(key, key_len);
373 xbt_dictelm_t current, previous = NULL;
377 // fprintf(stderr,"RM %.*s hash = %d, size = %d, & = %d\n",key_len,key,hash_code, dict->table_size, hash_code & dict->table_size);
378 current = dict->table[hash_code & dict->table_size];
379 while (current != NULL &&
380 (hash_code != current->hash_code || key_len != current->key_len
381 || strncmp(key, current->key, key_len))) {
382 previous = current; /* save the previous node */
383 current = current->next;
387 THROWF(not_found_error, 0, "key %.*s not found", key_len, key);
389 if (previous != NULL) {
390 previous->next = current->next;
392 dict->table[hash_code & dict->table_size] = current->next;
395 if (!dict->table[hash_code & dict->table_size])
398 xbt_dictelm_free(dict, current);
405 * \brief Remove data from the dict (null-terminated key)
407 * \param dict the dict
408 * \param key the key of the data to be removed
410 * Remove the entry associated with the given \a key
412 XBT_INLINE void xbt_dict_remove(xbt_dict_t dict, const char *key)
414 xbt_dict_remove_ext(dict, key, strlen(key));
417 #ifdef XBT_USE_DEPRECATED
419 * \brief Add data to the dict (arbitrary key)
420 * \param dict the container
421 * \param key the key to set the new data
422 * \param data the data to add in the dict
424 * Set the \a data in the structure under the \a key.
425 * Both \a data and \a key are considered as uintptr_t.
427 XBT_INLINE void xbt_dicti_set(xbt_dict_t dict,
428 uintptr_t key, uintptr_t data)
430 xbt_dict_set_ext(dict, (void *)&key, sizeof key, (void*)data, NULL);
434 * \brief Retrieve data from the dict (key considered as a uintptr_t)
436 * \param dict the dealer of data
437 * \param key the key to find data
438 * \return the data that we are looking for (or 0 if not found)
440 * Mixing uintptr_t keys with regular keys in the same dict is discouraged
442 XBT_INLINE uintptr_t xbt_dicti_get(xbt_dict_t dict, uintptr_t key)
444 return (uintptr_t)xbt_dict_get_or_null_ext(dict, (void *)&key, sizeof key);
447 /** Remove a uintptr_t key from the dict */
448 XBT_INLINE void xbt_dicti_remove(xbt_dict_t dict, uintptr_t key)
450 xbt_dict_remove_ext(dict, (void *)&key, sizeof key);
455 * \brief Remove all data from the dict
456 * \param dict the dict
458 void xbt_dict_reset(xbt_dict_t dict)
462 xbt_dictelm_t current, previous = NULL;
466 if (dict->count == 0)
469 for (i = 0; i <= dict->table_size; i++) {
470 current = dict->table[i];
471 while (current != NULL) {
473 current = current->next;
474 xbt_dictelm_free(dict, previous);
476 dict->table[i] = NULL;
484 * \brief Return the number of elements in the dict.
485 * \param dict a dictionary
487 XBT_INLINE int xbt_dict_length(xbt_dict_t dict)
494 /** @brief function to be used in xbt_dict_dump as long as the stored values are strings */
495 void xbt_dict_dump_output_string(void *s)
501 * \brief test if the dict is empty or not
503 XBT_INLINE int xbt_dict_is_empty(xbt_dict_t dict)
505 return !dict || (xbt_dict_length(dict) == 0);
509 * \brief Outputs the content of the structure (debugging purpose)
511 * \param dict the exibitionist
512 * \param output a function to dump each data in the tree (check @ref xbt_dict_dump_output_string)
514 * Outputs the content of the structure. (for debugging purpose). \a output is a
515 * function to output the data. If NULL, data won't be displayed.
518 void xbt_dict_dump(xbt_dict_t dict, void_f_pvoid_t output)
521 xbt_dictelm_t element;
522 printf("Dict %p:\n", dict);
524 for (i = 0; i < dict->table_size; i++) {
525 element = dict->table[i];
528 while (element != NULL) {
529 printf(" %s -> '", element->key);
530 if (output != NULL) {
531 output(element->content);
534 element = element->next;
544 xbt_dynar_t all_sizes = NULL;
545 /** @brief shows some debugging info about the bucklet repartition */
546 void xbt_dict_dump_sizes(xbt_dict_t dict)
552 xbt_dictelm_t element;
553 xbt_dynar_t sizes = xbt_dynar_new(sizeof(int), NULL);
555 printf("Dict %p: %d bucklets, %d used cells (of %d) ", dict, dict->count,
556 dict->fill, dict->table_size);
558 for (i = 0; i < dict->table_size; i++) {
559 element = dict->table[i];
562 while (element != NULL) {
564 element = element->next;
567 if (xbt_dynar_length(sizes) <= size) {
569 xbt_dynar_set(sizes, size, &prevsize);
572 xbt_dynar_get_cpy(sizes, size, &prevsize);
574 xbt_dynar_set(sizes, size, &prevsize);
578 all_sizes = xbt_dynar_new(sizeof(int), NULL);
580 xbt_dynar_foreach(sizes, count, size) {
581 /* Copy values of this one into all_sizes */
583 if (xbt_dynar_length(all_sizes) <= count) {
585 xbt_dynar_set(all_sizes, count, &prevcount);
587 xbt_dynar_get_cpy(all_sizes, count, &prevcount);
589 xbt_dynar_set(all_sizes, count, &prevcount);
592 /* Report current sizes */
597 printf("%uelm x %u cells; ", count, size);
601 xbt_dynar_free(&sizes);
605 * Create the dict mallocators.
606 * This is an internal XBT function called during the lib initialization.
607 * It can be used several times to recreate the mallocator, for example when you switch to MC mode
609 void xbt_dict_preinit(void)
611 dict_elm_mallocator = xbt_mallocator_new(256,
612 dict_elm_mallocator_new_f,
613 dict_elm_mallocator_free_f,
614 dict_elm_mallocator_reset_f);
615 dict_het_elm_mallocator = xbt_mallocator_new(256,
616 dict_het_elm_mallocator_new_f,
617 dict_het_elm_mallocator_free_f,
618 dict_het_elm_mallocator_reset_f);
622 * Destroy the dict mallocators.
623 * This is an internal XBT function during the lib initialization
625 void xbt_dict_postexit(void)
627 if (dict_elm_mallocator != NULL) {
628 xbt_mallocator_free(dict_elm_mallocator);
629 dict_elm_mallocator = NULL;
630 xbt_mallocator_free(dict_het_elm_mallocator);
631 dict_het_elm_mallocator = NULL;
638 printf("Overall stats:");
639 xbt_dynar_foreach(all_sizes, count, size) {
644 printf("%uelm x %d cells; ", count, size);
648 printf("; %f elm per cell\n", avg / (double) total_count);
655 #include "portable.h"
657 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_dict);
659 XBT_TEST_SUITE("dict", "Dict data container");
661 static void print_str(void *str)
663 printf("%s", (char *) PRINTF_STR(str));
666 static void debuged_add_ext(xbt_dict_t head, const char *key,
667 const char *data_to_fill, void_f_pvoid_t free_f)
669 char *data = xbt_strdup(data_to_fill);
671 xbt_test_log("Add %s under %s", PRINTF_STR(data_to_fill),
674 xbt_dict_set(head, key, data, free_f);
675 if (XBT_LOG_ISENABLED(xbt_dict, xbt_log_priority_debug)) {
676 xbt_dict_dump(head, (void (*)(void *)) &printf);
681 static void debuged_add(xbt_dict_t head, const char *key, void_f_pvoid_t free_f)
683 debuged_add_ext(head, key, key, free_f);
686 static void fill(xbt_dict_t * head, int homogeneous)
688 void_f_pvoid_t free_f = homogeneous ? NULL : &free;
690 xbt_test_add("Fill in the dictionnary");
692 *head = homogeneous ? xbt_dict_new_homogeneous(&free) : xbt_dict_new();
693 debuged_add(*head, "12", free_f);
694 debuged_add(*head, "12a", free_f);
695 debuged_add(*head, "12b", free_f);
696 debuged_add(*head, "123", free_f);
697 debuged_add(*head, "123456", free_f);
698 /* Child becomes child of what to add */
699 debuged_add(*head, "1234", free_f);
700 /* Need of common ancestor */
701 debuged_add(*head, "123457", free_f);
705 static void search_ext(xbt_dict_t head, const char *key, const char *data)
709 xbt_test_add("Search %s", key);
710 found = xbt_dict_get(head, key);
711 xbt_test_log("Found %s", (char *) found);
713 xbt_test_assert(found,
714 "data do not match expectations: found NULL while searching for %s",
717 xbt_test_assert(!strcmp((char *) data, found),
718 "data do not match expectations: found %s while searching for %s",
719 (char *) found, data);
722 static void search(xbt_dict_t head, const char *key)
724 search_ext(head, key, key);
727 static void debuged_remove(xbt_dict_t head, const char *key)
730 xbt_test_add("Remove '%s'", PRINTF_STR(key));
731 xbt_dict_remove(head, key);
732 /* xbt_dict_dump(head,(void (*)(void*))&printf); */
736 static void traverse(xbt_dict_t head)
738 xbt_dict_cursor_t cursor = NULL;
743 xbt_dict_foreach(head, cursor, key, data) {
744 if (!key || !data || strcmp(key, data)) {
745 xbt_test_log("Seen #%d: %s->%s", ++i, PRINTF_STR(key),
748 xbt_test_log("Seen #%d: %s", ++i, PRINTF_STR(key));
750 xbt_test_assert(!data || !strcmp(key, data),
751 "Key(%s) != value(%s). Aborting", key, data);
755 static void search_not_found(xbt_dict_t head, const char *data)
760 xbt_test_add("Search %s (expected not to be found)", data);
763 data = xbt_dict_get(head, data);
764 THROWF(unknown_error, 0,
765 "Found something which shouldn't be there (%s)", data);
768 if (e.category != not_found_error)
769 xbt_test_exception(e);
773 xbt_test_assert(ok, "Exception not raised");
776 static void count(xbt_dict_t dict, int length)
778 xbt_dict_cursor_t cursor;
784 xbt_test_add("Count elements (expecting %d)", length);
785 xbt_test_assert(xbt_dict_length(dict) == length,
786 "Announced length(%d) != %d.", xbt_dict_length(dict),
789 xbt_dict_foreach(dict, cursor, key, data)
792 xbt_test_assert(effective == length, "Effective length(%d) != %d.",
797 static void count_check_get_key(xbt_dict_t dict, int length)
799 xbt_dict_cursor_t cursor;
801 _XBT_GNUC_UNUSED char *key2;
807 ("Count elements (expecting %d), and test the getkey function",
809 xbt_test_assert(xbt_dict_length(dict) == length,
810 "Announced length(%d) != %d.", xbt_dict_length(dict),
813 xbt_dict_foreach(dict, cursor, key, data) {
815 key2 = xbt_dict_get_key(dict, data);
816 xbt_assert(!strcmp(key, key2),
817 "The data was registered under %s instead of %s as expected",
821 xbt_test_assert(effective == length, "Effective length(%d) != %d.",
827 xbt_dict_t head = NULL;
830 static void basic_test(int homogeneous)
832 void_f_pvoid_t free_f;
834 xbt_test_add("Traversal the null dictionary");
837 xbt_test_add("Traversal and search the empty dictionary");
838 head = homogeneous ? xbt_dict_new_homogeneous(&free) : xbt_dict_new();
841 debuged_remove(head, "12346");
844 if (e.category != not_found_error)
845 xbt_test_exception(e);
848 xbt_dict_free(&head);
850 free_f = homogeneous ? NULL : &free;
852 xbt_test_add("Traverse the full dictionary");
853 fill(&head, homogeneous);
854 count_check_get_key(head, 7);
856 debuged_add_ext(head, "toto", "tutu", free_f);
857 search_ext(head, "toto", "tutu");
858 debuged_remove(head, "toto");
863 xbt_test_add("Free the dictionary (twice)");
864 xbt_dict_free(&head);
865 xbt_dict_free(&head);
868 fill(&head, homogeneous);
869 count_check_get_key(head, 7);
870 xbt_test_add("Change 123 to 'Changed 123'");
871 xbt_dict_set(head, "123", strdup("Changed 123"), free_f);
872 count_check_get_key(head, 7);
874 xbt_test_add("Change 123 back to '123'");
875 xbt_dict_set(head, "123", strdup("123"), free_f);
876 count_check_get_key(head, 7);
878 xbt_test_add("Change 12a to 'Dummy 12a'");
879 xbt_dict_set(head, "12a", strdup("Dummy 12a"), free_f);
880 count_check_get_key(head, 7);
882 xbt_test_add("Change 12a to '12a'");
883 xbt_dict_set(head, "12a", strdup("12a"), free_f);
884 count_check_get_key(head, 7);
886 xbt_test_add("Traverse the resulting dictionary");
890 xbt_test_add("Search 123");
891 data = xbt_dict_get(head, "123");
892 xbt_test_assert(data);
893 xbt_test_assert(!strcmp("123", data));
895 search_not_found(head, "Can't be found");
896 search_not_found(head, "123 Can't be found");
897 search_not_found(head, "12345678 NOT");
902 search(head, "123456");
903 search(head, "1234");
904 search(head, "123457");
906 xbt_test_add("Traverse the resulting dictionary");
909 /* xbt_dict_dump(head,(void (*)(void*))&printf); */
911 xbt_test_add("Free the dictionary twice");
912 xbt_dict_free(&head);
913 xbt_dict_free(&head);
915 xbt_test_add("Traverse the resulting dictionary");
919 XBT_TEST_UNIT("basic_heterogeneous", test_dict_basic_heterogeneous, "Basic usage: change, retrieve, traverse: heterogeneous dict")
924 XBT_TEST_UNIT("basic_homogeneous", test_dict_basic_homogeneous, "Basic usage: change, retrieve, traverse: homogeneous dict")
929 static void remove_test(int homogeneous)
931 fill(&head, homogeneous);
933 xbt_test_add("Remove non existing data");
935 debuged_remove(head, "Does not exist");
938 if (e.category != not_found_error)
939 xbt_test_exception(e);
944 xbt_dict_free(&head);
947 ("Remove each data manually (traversing the resulting dictionary each time)");
948 fill(&head, homogeneous);
949 debuged_remove(head, "12a");
952 debuged_remove(head, "12b");
955 debuged_remove(head, "12");
958 debuged_remove(head, "123456");
962 debuged_remove(head, "12346");
965 if (e.category != not_found_error)
966 xbt_test_exception(e);
970 debuged_remove(head, "1234");
972 debuged_remove(head, "123457");
974 debuged_remove(head, "123");
977 debuged_remove(head, "12346");
980 if (e.category != not_found_error)
981 xbt_test_exception(e);
987 ("Free dict, create new fresh one, and then reset the dict");
988 xbt_dict_free(&head);
989 fill(&head, homogeneous);
990 xbt_dict_reset(head);
994 xbt_test_add("Free the dictionary twice");
995 xbt_dict_free(&head);
996 xbt_dict_free(&head);
999 XBT_TEST_UNIT("remove_heterogeneous", test_dict_remove_heterogeneous, "Removing some values: heterogeneous dict")
1004 XBT_TEST_UNIT("remove_homogeneous", test_dict_remove_homogeneous, "Removing some values: homogeneous dict")
1009 XBT_TEST_UNIT("nulldata", test_dict_nulldata, "NULL data management")
1013 xbt_test_add("Store NULL under 'null'");
1014 xbt_dict_set(head, "null", NULL, NULL);
1015 search_ext(head, "null", NULL);
1017 xbt_test_add("Check whether I see it while traversing...");
1019 xbt_dict_cursor_t cursor = NULL;
1023 xbt_dict_foreach(head, cursor, key, data) {
1024 if (!key || !data || strcmp(key, data)) {
1025 xbt_test_log("Seen: %s->%s", PRINTF_STR(key), PRINTF_STR(data));
1027 xbt_test_log("Seen: %s", PRINTF_STR(key));
1030 if (!strcmp(key, "null"))
1033 xbt_test_assert(found,
1034 "the key 'null', associated to NULL is not found");
1036 xbt_dict_free(&head);
1039 #define NB_ELM 20000
1040 #define SIZEOFKEY 1024
1041 static int countelems(xbt_dict_t head)
1043 xbt_dict_cursor_t cursor;
1048 xbt_dict_foreach(head, cursor, key, data) {
1054 XBT_TEST_UNIT("crash", test_dict_crash, "Crash test")
1056 xbt_dict_t head = NULL;
1060 srand((unsigned int) time(NULL));
1062 for (i = 0; i < 10; i++) {
1063 xbt_test_add("CRASH test number %d (%d to go)", i + 1, 10 - i - 1);
1065 ("Fill the struct, count its elems and frees the structure");
1067 ("using 1000 elements with %d chars long randomized keys.",
1069 head = xbt_dict_new();
1070 /* if (i%10) printf("."); else printf("%d",i/10); fflush(stdout); */
1071 for (j = 0; j < 1000; j++) {
1073 key = xbt_malloc(SIZEOFKEY);
1076 for (k = 0; k < SIZEOFKEY - 1; k++)
1077 key[k] = rand() % ('z' - 'a') + 'a';
1079 /* printf("[%d %s]\n",j,key); */
1080 data = xbt_dict_get_or_null(head, key);
1081 } while (data != NULL);
1083 xbt_dict_set(head, key, key, &free);
1084 data = xbt_dict_get(head, key);
1085 xbt_test_assert(!strcmp(key, data),
1086 "Retrieved value (%s) != Injected value (%s)", key,
1091 /* xbt_dict_dump(head,(void (*)(void*))&printf); */
1093 xbt_dict_free(&head);
1094 xbt_dict_free(&head);
1098 head = xbt_dict_new();
1099 xbt_test_add("Fill %d elements, with keys being the number of element",
1101 for (j = 0; j < NB_ELM; j++) {
1102 /* if (!(j%1000)) { printf("."); fflush(stdout); } */
1104 key = xbt_malloc(10);
1106 sprintf(key, "%d", j);
1107 xbt_dict_set(head, key, key, &free);
1109 /*xbt_dict_dump(head,(void (*)(void*))&printf); */
1112 ("Count the elements (retrieving the key and data for each)");
1113 i = countelems(head);
1114 xbt_test_log("There is %d elements", i);
1116 xbt_test_add("Search my %d elements 20 times", NB_ELM);
1117 key = xbt_malloc(10);
1118 for (i = 0; i < 20; i++) {
1120 /* if (i%10) printf("."); else printf("%d",i/10); fflush(stdout); */
1121 for (j = 0; j < NB_ELM; j++) {
1123 sprintf(key, "%d", j);
1124 data = xbt_dict_get(head, key);
1125 xbt_test_assert(!strcmp(key, (char *) data),
1126 "with get, key=%s != data=%s", key, (char *) data);
1127 data = xbt_dict_get_ext(head, key, strlen(key));
1128 xbt_test_assert(!strcmp(key, (char *) data),
1129 "with get_ext, key=%s != data=%s", key,
1135 xbt_test_add("Remove my %d elements", NB_ELM);
1136 key = xbt_malloc(10);
1137 for (j = 0; j < NB_ELM; j++) {
1138 /* if (!(j%10000)) printf("."); fflush(stdout); */
1140 sprintf(key, "%d", j);
1141 xbt_dict_remove(head, key);
1146 xbt_test_add("Free the structure (twice)");
1147 xbt_dict_free(&head);
1148 xbt_dict_free(&head);
1151 #endif /* SIMGRID_TEST */