Mercurial > gnulib
annotate tests/test-hash_map.c @ 40174:b76c7bdde2bf
*-map tests: Fix compilation error.
* tests/test-array_map.c: Include <limits.h>, for CHAR_BIT.
* tests/test-hash_map.c: Likewise.
* tests/test-linkedhash_map.c: Likewise.
| author | Colin Watson <cjwatson@debian.org> |
|---|---|
| date | Sat, 02 Feb 2019 16:12:09 +0100 |
| parents | b06060465f09 |
| children |
| rev | line source |
|---|---|
| 40024 | 1 /* Test of map data type implementation. |
|
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
40024
diff
changeset
|
2 Copyright (C) 2006-2019 Free Software Foundation, Inc. |
| 40024 | 3 Written by Bruno Haible <bruno@clisp.org>, 2018. |
| 4 | |
| 5 This program is free software: you can redistribute it and/or modify | |
| 6 it under the terms of the GNU General Public License as published by | |
| 7 the Free Software Foundation; either version 3 of the License, or | |
| 8 (at your option) any later version. | |
| 9 | |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ | |
| 17 | |
| 18 #include <config.h> | |
| 19 | |
| 20 #include "gl_hash_map.h" | |
| 21 | |
|
40174
b76c7bdde2bf
*-map tests: Fix compilation error.
Colin Watson <cjwatson@debian.org>
parents:
40057
diff
changeset
|
22 #include <limits.h> |
| 40024 | 23 #include <stdlib.h> |
| 24 #include <string.h> | |
| 25 | |
| 26 #include "gl_array_map.h" | |
| 27 #include "xalloc.h" | |
| 28 #include "macros.h" | |
| 29 | |
| 30 static const char *objects[30] = | |
| 31 { | |
| 32 "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", | |
| 33 "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "<", ">", "[", "]" | |
| 34 }; | |
| 35 | |
| 36 #define SIZE_BITS (sizeof (size_t) * CHAR_BIT) | |
| 37 | |
| 38 static bool | |
| 39 string_equals (const void *x1, const void *x2) | |
| 40 { | |
| 41 const char *s1 = x1; | |
| 42 const char *s2 = x2; | |
| 43 return strcmp (s1, s2) == 0; | |
| 44 } | |
| 45 | |
| 46 /* A hash function for NUL-terminated char* strings using | |
| 47 the method described by Bruno Haible. | |
| 48 See https://www.haible.de/bruno/hashfunc.html. */ | |
| 49 static size_t | |
| 50 string_hash (const void *x) | |
| 51 { | |
| 52 const char *s = x; | |
| 53 size_t h = 0; | |
| 54 | |
| 55 for (; *s; s++) | |
| 56 h = *s + ((h << 9) | (h >> (SIZE_BITS - 9))); | |
| 57 | |
| 58 return h; | |
| 59 } | |
| 60 | |
| 61 #define RANDOM(n) (rand () % (n)) | |
| 62 #define RANDOM_OBJECT() objects[RANDOM (SIZEOF (objects))] | |
| 63 | |
| 64 struct pair | |
| 65 { | |
| 66 const void *key; | |
| 67 const void *value; | |
| 68 }; | |
| 69 | |
| 70 static int | |
| 71 cmp_pairs_in_array (const void *pairptr1, const void *pairptr2) | |
| 72 { | |
| 73 const void *key1 = ((struct pair const *)pairptr1)->key; | |
| 74 const void *key2 = ((struct pair const *)pairptr2)->key; | |
| 75 return strcmp ((const char *) key1, (const char *) key2); | |
| 76 } | |
| 77 | |
| 78 static void | |
| 79 check_equals (gl_map_t map1, gl_map_t map2) | |
| 80 { | |
| 81 size_t n = gl_map_size (map1); | |
| 82 struct pair *pairs_of_map1 = XNMALLOC (n, struct pair); | |
| 83 struct pair *pairs_of_map2 = XNMALLOC (n, struct pair); | |
| 84 | |
| 85 gl_map_iterator_t iter1, iter2; | |
| 86 const void *key1; | |
| 87 const void *value1; | |
| 88 const void *key2; | |
| 89 const void *value2; | |
| 90 size_t i; | |
| 91 | |
| 92 iter1 = gl_map_iterator (map1); | |
| 93 iter2 = gl_map_iterator (map2); | |
| 94 for (i = 0; i < n; i++) | |
| 95 { | |
| 96 ASSERT (gl_map_iterator_next (&iter1, &key1, &value1)); | |
| 97 ASSERT (gl_map_iterator_next (&iter2, &key2, &value2)); | |
| 98 pairs_of_map1[i].key = key1; | |
| 99 pairs_of_map1[i].value = value1; | |
| 100 pairs_of_map2[i].key = key2; | |
| 101 pairs_of_map2[i].value = value2; | |
| 102 } | |
| 103 ASSERT (!gl_map_iterator_next (&iter1, &key1, &value1)); | |
| 104 ASSERT (!gl_map_iterator_next (&iter2, &key2, &value2)); | |
| 105 gl_map_iterator_free (&iter1); | |
| 106 gl_map_iterator_free (&iter2); | |
| 107 | |
| 108 if (n > 0) | |
| 109 { | |
| 110 qsort (pairs_of_map1, n, sizeof (struct pair), cmp_pairs_in_array); | |
| 111 qsort (pairs_of_map2, n, sizeof (struct pair), cmp_pairs_in_array); | |
| 112 } | |
| 113 for (i = 0; i < n; i++) | |
| 114 { | |
| 115 ASSERT (pairs_of_map1[i].key == pairs_of_map2[i].key); | |
| 116 ASSERT (pairs_of_map1[i].value == pairs_of_map2[i].value); | |
| 117 } | |
| 118 free (pairs_of_map2); | |
| 119 free (pairs_of_map1); | |
| 120 } | |
| 121 | |
| 122 static void | |
| 123 check_all (gl_map_t map1, gl_map_t map2) | |
| 124 { | |
| 125 check_equals (map1, map2); | |
| 126 } | |
| 127 | |
| 128 int | |
| 129 main (int argc, char *argv[]) | |
| 130 { | |
| 131 gl_map_t map1, map2; | |
| 132 | |
| 133 /* Allow the user to provide a non-default random seed on the command line. */ | |
| 134 if (argc > 1) | |
| 135 srand (atoi (argv[1])); | |
| 136 | |
| 137 { | |
| 138 size_t initial_size = RANDOM (20); | |
| 139 size_t i; | |
| 140 unsigned int repeat; | |
| 141 | |
| 142 /* Create map1. */ | |
| 143 map1 = gl_map_nx_create_empty (GL_ARRAY_MAP, | |
| 144 string_equals, string_hash, NULL, NULL); | |
| 145 ASSERT (map1 != NULL); | |
| 146 | |
| 147 /* Create map2. */ | |
| 148 map2 = gl_map_nx_create_empty (GL_HASH_MAP, | |
| 149 string_equals, string_hash, NULL, NULL); | |
| 150 ASSERT (map2 != NULL); | |
| 151 | |
| 152 check_all (map1, map2); | |
| 153 | |
| 154 /* Initialize them. */ | |
| 155 for (i = 0; i < initial_size; i++) | |
| 156 { | |
| 157 const char *key = RANDOM_OBJECT (); | |
| 158 const char *value = RANDOM_OBJECT (); | |
| 159 ASSERT (gl_map_nx_put (map1, key, value) == gl_map_nx_put (map2, key, value)); | |
| 160 check_all (map1, map2); | |
| 161 } | |
| 162 | |
| 163 for (repeat = 0; repeat < 100000; repeat++) | |
| 164 { | |
| 165 unsigned int operation = RANDOM (3); | |
| 166 switch (operation) | |
| 167 { | |
| 168 case 0: | |
| 169 { | |
| 170 const char *key = RANDOM_OBJECT (); | |
| 171 ASSERT (gl_map_get (map1, key) == gl_map_get (map2, key)); | |
| 172 } | |
| 173 break; | |
| 174 case 1: | |
| 175 { | |
| 176 const char *key = RANDOM_OBJECT (); | |
| 177 const char *value = RANDOM_OBJECT (); | |
| 178 ASSERT (gl_map_nx_put (map1, key, value) == gl_map_nx_put (map2, key, value)); | |
| 179 } | |
| 180 break; | |
| 181 case 2: | |
| 182 { | |
| 183 const char *key = RANDOM_OBJECT (); | |
| 184 ASSERT (gl_map_remove (map1, key) == gl_map_remove (map2, key)); | |
| 185 } | |
| 186 break; | |
| 187 } | |
| 188 check_all (map1, map2); | |
| 189 } | |
| 190 | |
| 191 gl_map_free (map1); | |
| 192 gl_map_free (map2); | |
| 193 } | |
| 194 | |
| 195 return 0; | |
| 196 } |