From a8de9261d37e784ac5d53aefa174d8da26d1c4b2 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Mon, 17 Jul 2006 11:31:28 +0000 Subject: Sequential list data type implemented by a hash table with a binary tree. --- tests/test-rbtreehash_list.c | 421 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 421 insertions(+) create mode 100644 tests/test-rbtreehash_list.c (limited to 'tests/test-rbtreehash_list.c') diff --git a/tests/test-rbtreehash_list.c b/tests/test-rbtreehash_list.c new file mode 100644 index 0000000000..c8a572c0ec --- /dev/null +++ b/tests/test-rbtreehash_list.c @@ -0,0 +1,421 @@ +/* Test of sequential list data type implementation. + Copyright (C) 2006 Free Software Foundation, Inc. + Written by Bruno Haible , 2006. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include + +#include "gl_array_list.h" +#include "gl_rbtreehash_list.h" + +extern void gl_rbtreehash_list_check_invariants (gl_list_t list); + +static const char *objects[15] = + { + "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o" + }; + +#define SIZE_BITS (sizeof (size_t) * CHAR_BIT) + +static bool +string_equals (const void *x1, const void *x2) +{ + const char *s1 = x1; + const char *s2 = x2; + return strcmp (s1, s2) == 0; +} + +/* A hash function for NUL-terminated char* strings using + the method described by Bruno Haible. + See http://www.haible.de/bruno/hashfunc.html. */ +static size_t +string_hash (const void *x) +{ + const char *s = x; + size_t h = 0; + + for (; *s; s++) + h = *s + ((h << 9) | (h >> (SIZE_BITS - 9))); + + return h; +} + +#define SIZEOF(array) (sizeof (array) / sizeof (array[0])) +#define ASSERT(condition) if (!(condition)) abort () +#define RANDOM(n) (rand () % (n)) +#define RANDOM_OBJECT() objects[RANDOM (SIZEOF (objects))] + +static void +check_equals (gl_list_t list1, gl_list_t list2) +{ + size_t n, i; + + n = gl_list_size (list1); + ASSERT (n == gl_list_size (list2)); + for (i = 0; i < n; i++) + { + ASSERT (gl_list_get_at (list1, i) == gl_list_get_at (list2, i)); + } +} + +static void +check_all (gl_list_t list1, gl_list_t list2, gl_list_t list3) +{ + gl_rbtreehash_list_check_invariants (list2); + gl_rbtreehash_list_check_invariants (list3); + check_equals (list1, list2); + check_equals (list1, list3); +} + +int +main (int argc, char *argv[]) +{ + gl_list_t list1, list2, list3; + + /* Allow the user to provide a non-default random seed on the command line. */ + if (argc > 1) + srand (atoi (argv[1])); + + { + size_t initial_size = RANDOM (50); + const void **contents = + (const void **) malloc (initial_size * sizeof (const void *)); + size_t i; + unsigned int repeat; + + for (i = 0; i < initial_size; i++) + contents[i] = RANDOM_OBJECT (); + + /* Create list1. */ + list1 = gl_list_create (GL_ARRAY_LIST, + string_equals, string_hash, true, + initial_size, contents); + /* Create list2. */ + list2 = gl_list_create_empty (GL_RBTREEHASH_LIST, + string_equals, string_hash, true); + for (i = 0; i < initial_size; i++) + gl_list_add_last (list2, contents[i]); + + /* Create list3. */ + list3 = gl_list_create (GL_RBTREEHASH_LIST, + string_equals, string_hash, true, + initial_size, contents); + + check_all (list1, list2, list3); + + for (repeat = 0; repeat < 10000; repeat++) + { + unsigned int operation = RANDOM (16); + switch (operation) + { + case 0: + if (gl_list_size (list1) > 0) + { + size_t index = RANDOM (gl_list_size (list1)); + const char *obj = RANDOM_OBJECT (); + gl_list_node_t node1, node2, node3; + + node1 = gl_list_set_at (list1, index, obj); + ASSERT (gl_list_get_at (list1, index) == obj); + ASSERT (gl_list_node_value (list1, node1) == obj); + + node2 = gl_list_set_at (list2, index, obj); + ASSERT (gl_list_get_at (list2, index) == obj); + ASSERT (gl_list_node_value (list2, node2) == obj); + + node3 = gl_list_set_at (list3, index, obj); + ASSERT (gl_list_get_at (list3, index) == obj); + ASSERT (gl_list_node_value (list3, node3) == obj); + + if (index > 0) + { + ASSERT (gl_list_node_value (list1, gl_list_previous_node (list1, node1)) + == gl_list_get_at (list1, index - 1)); + ASSERT (gl_list_node_value (list2, gl_list_previous_node (list3, node3)) + == gl_list_get_at (list2, index - 1)); + ASSERT (gl_list_node_value (list3, gl_list_previous_node (list3, node3)) + == gl_list_get_at (list2, index - 1)); + } + if (index + 1 < gl_list_size (list1)) + { + ASSERT (gl_list_node_value (list1, gl_list_next_node (list1, node1)) + == gl_list_get_at (list1, index + 1)); + ASSERT (gl_list_node_value (list2, gl_list_next_node (list3, node3)) + == gl_list_get_at (list2, index + 1)); + ASSERT (gl_list_node_value (list3, gl_list_next_node (list3, node3)) + == gl_list_get_at (list2, index + 1)); + } + } + break; + case 1: + { + const char *obj = RANDOM_OBJECT (); + gl_list_node_t node1, node2, node3; + node1 = gl_list_search (list1, obj); + node2 = gl_list_search (list2, obj); + node3 = gl_list_search (list3, obj); + if (node1 == NULL) + { + ASSERT (node2 == NULL); + ASSERT (node3 == NULL); + } + else + { + ASSERT (node2 != NULL); + ASSERT (node3 != NULL); + ASSERT (gl_list_node_value (list1, node1) == obj); + ASSERT (gl_list_node_value (list2, node2) == obj); + ASSERT (gl_list_node_value (list3, node3) == obj); + } + } + break; + case 2: + { + const char *obj = RANDOM_OBJECT (); + size_t index1, index2, index3; + index1 = gl_list_indexof (list1, obj); + index2 = gl_list_indexof (list2, obj); + index3 = gl_list_indexof (list3, obj); + if (index1 == (size_t)(-1)) + { + ASSERT (index2 == (size_t)(-1)); + ASSERT (index3 == (size_t)(-1)); + } + else + { + ASSERT (index2 != (size_t)(-1)); + ASSERT (index3 != (size_t)(-1)); + ASSERT (gl_list_get_at (list1, index1) == obj); + ASSERT (gl_list_get_at (list2, index2) == obj); + ASSERT (gl_list_get_at (list3, index3) == obj); + ASSERT (index2 == index1); + ASSERT (index3 == index1); + } + } + break; + case 3: /* add 1 element */ + { + const char *obj = RANDOM_OBJECT (); + gl_list_node_t node1, node2, node3; + node1 = gl_list_add_first (list1, obj); + node2 = gl_list_add_first (list2, obj); + node3 = gl_list_add_first (list3, obj); + ASSERT (gl_list_node_value (list1, node1) == obj); + ASSERT (gl_list_node_value (list2, node2) == obj); + ASSERT (gl_list_node_value (list3, node3) == obj); + ASSERT (gl_list_get_at (list1, 0) == obj); + ASSERT (gl_list_get_at (list2, 0) == obj); + ASSERT (gl_list_get_at (list3, 0) == obj); + } + break; + case 4: /* add 1 element */ + { + const char *obj = RANDOM_OBJECT (); + gl_list_node_t node1, node2, node3; + node1 = gl_list_add_last (list1, obj); + node2 = gl_list_add_last (list2, obj); + node3 = gl_list_add_last (list3, obj); + ASSERT (gl_list_node_value (list1, node1) == obj); + ASSERT (gl_list_node_value (list2, node2) == obj); + ASSERT (gl_list_node_value (list3, node3) == obj); + ASSERT (gl_list_get_at (list1, gl_list_size (list1) - 1) == obj); + ASSERT (gl_list_get_at (list2, gl_list_size (list2) - 1) == obj); + ASSERT (gl_list_get_at (list3, gl_list_size (list3) - 1) == obj); + } + break; + case 5: /* add 3 elements */ + { + const char *obj0 = RANDOM_OBJECT (); + const char *obj1 = RANDOM_OBJECT (); + const char *obj2 = RANDOM_OBJECT (); + gl_list_node_t node1, node2, node3; + node1 = gl_list_add_first (list1, obj2); + node1 = gl_list_add_before (list1, node1, obj0); + node1 = gl_list_add_after (list1, node1, obj1); + node2 = gl_list_add_first (list2, obj2); + node2 = gl_list_add_before (list2, node2, obj0); + node2 = gl_list_add_after (list2, node2, obj1); + node3 = gl_list_add_first (list3, obj2); + node3 = gl_list_add_before (list3, node3, obj0); + node3 = gl_list_add_after (list3, node3, obj1); + ASSERT (gl_list_node_value (list1, node1) == obj1); + ASSERT (gl_list_node_value (list2, node2) == obj1); + ASSERT (gl_list_node_value (list3, node3) == obj1); + ASSERT (gl_list_get_at (list1, 0) == obj0); + ASSERT (gl_list_get_at (list1, 1) == obj1); + ASSERT (gl_list_get_at (list1, 2) == obj2); + ASSERT (gl_list_get_at (list2, 0) == obj0); + ASSERT (gl_list_get_at (list2, 1) == obj1); + ASSERT (gl_list_get_at (list2, 2) == obj2); + ASSERT (gl_list_get_at (list3, 0) == obj0); + ASSERT (gl_list_get_at (list3, 1) == obj1); + ASSERT (gl_list_get_at (list3, 2) == obj2); + } + break; + case 6: /* add 1 element */ + { + size_t index = RANDOM (gl_list_size (list1) + 1); + const char *obj = RANDOM_OBJECT (); + gl_list_node_t node1, node2, node3; + node1 = gl_list_add_at (list1, index, obj); + node2 = gl_list_add_at (list2, index, obj); + node3 = gl_list_add_at (list3, index, obj); + ASSERT (gl_list_get_at (list1, index) == obj); + ASSERT (gl_list_node_value (list1, node1) == obj); + ASSERT (gl_list_get_at (list2, index) == obj); + ASSERT (gl_list_node_value (list2, node2) == obj); + ASSERT (gl_list_get_at (list3, index) == obj); + ASSERT (gl_list_node_value (list3, node3) == obj); + if (index > 0) + { + ASSERT (gl_list_node_value (list1, gl_list_previous_node (list1, node1)) + == gl_list_get_at (list1, index - 1)); + ASSERT (gl_list_node_value (list2, gl_list_previous_node (list3, node3)) + == gl_list_get_at (list2, index - 1)); + ASSERT (gl_list_node_value (list3, gl_list_previous_node (list3, node3)) + == gl_list_get_at (list2, index - 1)); + } + if (index + 1 < gl_list_size (list1)) + { + ASSERT (gl_list_node_value (list1, gl_list_next_node (list1, node1)) + == gl_list_get_at (list1, index + 1)); + ASSERT (gl_list_node_value (list2, gl_list_next_node (list3, node3)) + == gl_list_get_at (list2, index + 1)); + ASSERT (gl_list_node_value (list3, gl_list_next_node (list3, node3)) + == gl_list_get_at (list2, index + 1)); + } + } + break; + case 7: case 8: /* remove 1 element */ + if (gl_list_size (list1) > 0) + { + size_t n = gl_list_size (list1); + const char *obj = gl_list_get_at (list1, RANDOM (n)); + gl_list_node_t node1, node2, node3; + node1 = gl_list_search (list1, obj); + node2 = gl_list_search (list2, obj); + node3 = gl_list_search (list3, obj); + ASSERT (node1 != NULL); + ASSERT (node2 != NULL); + ASSERT (node3 != NULL); + ASSERT (gl_list_remove_node (list1, node1)); + ASSERT (gl_list_remove_node (list2, node2)); + ASSERT (gl_list_remove_node (list3, node3)); + ASSERT (gl_list_size (list1) == n - 1); + } + break; + case 9: case 10: /* remove 1 element */ + if (gl_list_size (list1) > 0) + { + size_t n = gl_list_size (list1); + size_t index = RANDOM (n); + ASSERT (gl_list_remove_at (list1, index)); + ASSERT (gl_list_remove_at (list2, index)); + ASSERT (gl_list_remove_at (list3, index)); + ASSERT (gl_list_size (list1) == n - 1); + } + break; + case 11: case 12: /* remove 1 element */ + if (gl_list_size (list1) > 0) + { + size_t n = gl_list_size (list1); + const char *obj = gl_list_get_at (list1, RANDOM (n)); + ASSERT (gl_list_remove (list1, obj)); + ASSERT (gl_list_remove (list2, obj)); + ASSERT (gl_list_remove (list3, obj)); + ASSERT (gl_list_size (list1) == n - 1); + } + break; + case 13: + if (gl_list_size (list1) > 0) + { + size_t n = gl_list_size (list1); + const char *obj = "xyzzy"; + ASSERT (!gl_list_remove (list1, obj)); + ASSERT (!gl_list_remove (list2, obj)); + ASSERT (!gl_list_remove (list3, obj)); + ASSERT (gl_list_size (list1) == n); + } + break; + case 14: + { + size_t n = gl_list_size (list1); + gl_list_iterator_t iter1, iter2, iter3; + const void *elt; + iter1 = gl_list_iterator (list1); + iter2 = gl_list_iterator (list2); + iter3 = gl_list_iterator (list3); + for (i = 0; i < n; i++) + { + ASSERT (gl_list_iterator_next (&iter1, &elt, NULL)); + ASSERT (gl_list_get_at (list1, i) == elt); + ASSERT (gl_list_iterator_next (&iter2, &elt, NULL)); + ASSERT (gl_list_get_at (list2, i) == elt); + ASSERT (gl_list_iterator_next (&iter3, &elt, NULL)); + ASSERT (gl_list_get_at (list3, i) == elt); + } + ASSERT (!gl_list_iterator_next (&iter1, &elt, NULL)); + ASSERT (!gl_list_iterator_next (&iter2, &elt, NULL)); + ASSERT (!gl_list_iterator_next (&iter3, &elt, NULL)); + gl_list_iterator_free (&iter1); + gl_list_iterator_free (&iter2); + gl_list_iterator_free (&iter3); + } + break; + case 15: + { + size_t end = RANDOM (gl_list_size (list1) + 1); + size_t start = RANDOM (end + 1); + gl_list_iterator_t iter1, iter2, iter3; + const void *elt; + iter1 = gl_list_iterator_from_to (list1, start, end); + iter2 = gl_list_iterator_from_to (list2, start, end); + iter3 = gl_list_iterator_from_to (list3, start, end); + for (i = start; i < end; i++) + { + ASSERT (gl_list_iterator_next (&iter1, &elt, NULL)); + ASSERT (gl_list_get_at (list1, i) == elt); + ASSERT (gl_list_iterator_next (&iter2, &elt, NULL)); + ASSERT (gl_list_get_at (list2, i) == elt); + ASSERT (gl_list_iterator_next (&iter3, &elt, NULL)); + ASSERT (gl_list_get_at (list3, i) == elt); + } + ASSERT (!gl_list_iterator_next (&iter1, &elt, NULL)); + ASSERT (!gl_list_iterator_next (&iter2, &elt, NULL)); + ASSERT (!gl_list_iterator_next (&iter3, &elt, NULL)); + gl_list_iterator_free (&iter1); + gl_list_iterator_free (&iter2); + gl_list_iterator_free (&iter3); + } + break; + } + check_all (list1, list2, list3); + } + + gl_list_free (list1); + gl_list_free (list2); + gl_list_free (list3); + free (contents); + } + + return 0; +} -- cgit v1.2.1