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/* GSL Glib Hashtable test
* Copyright (C) 2001 Stefan Westerfeld
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gsldefs.h"
#include <string.h>
/* cause hashvalue collisions for the test */
guint g_str_narrow_hash (gconstpointer key) {
return g_str_hash (key) & 15;
}
struct Test {
char *key;
char *value;
int count;
} test[50];
void print_func (gpointer key, gpointer value, gpointer user_data) {
#if 0 /* <- enable to get printing of some entries */
g_print ("%s: %s = %s\n", user_data, key, value);
#endif
}
void fail_func (gpointer key, gpointer value, gpointer user_data) {
g_error ("*this* should not have happened");
}
void count_func (gpointer key, gpointer value, gpointer user_data) {
g_assert (value != NULL && key != NULL);
for(int i=0;i<50;i++)
{
if(strcmp((char *)key, test[i].key) == 0)
{
g_assert(strcmp((char *)value, test[i].value) == 0);
test[i].count++;
}
}
}
int main()
{
GHashTable *t = g_hash_table_new (g_str_narrow_hash, g_str_equal);
for(int i=0;i<50;i++)
{
test[i].key = g_strdup_printf ("key-%d",i);
test[i].value = g_strdup_printf ("value-%d",i);
test[i].count = 0;
g_hash_table_insert (t, test[i].key, test[i].value);
}
g_assert (strcmp ((char *)g_hash_table_lookup (t, "key-24"), "value-24") == 0);
g_hash_table_foreach(t, print_func, g_strdup("all-keys-50"));
g_hash_table_foreach(t, count_func, 0);
for(int i=0;i<50;i++)
{
/* each key should have been found once in the hash table now */
g_assert(test[i].count == 1);
}
for(int i=0;i<25;i++)
{
test[i].key = g_strdup_printf ("key-%d",i);
test[i].value = g_strdup_printf ("another-value-%d",i);
g_hash_table_insert (t, test[i].key, test[i].value);
}
g_assert (strcmp ((char *)g_hash_table_lookup (t, "key-24"), "another-value-24") == 0);
g_hash_table_foreach(t, print_func, g_strdup("all-keys-new-25-old-25"));
g_hash_table_foreach(t, count_func, 0);
for(int i=0;i<50;i++)
{
/* each key should have been found once (with the new value) */
g_assert(test[i].count == 2);
}
for(int i=0;i<50;i+=2)
{
/* remove even valued keys */
g_hash_table_remove (t, test[i].key);
}
g_assert (g_hash_table_lookup (t, "key-24") == 0);
g_hash_table_foreach(t, print_func, g_strdup("only-odd-keys-25"));
g_hash_table_foreach(t, count_func, 0);
for(int i=0;i<50;i++)
{
/* only odd keys should be there */
g_assert((test[i].count == 3 && (i & 1))
|| (test[i].count == 2 && !(i & 1)));
}
for(int i=1;i<50;i+=2)
{
/* remove odd valued keys */
g_hash_table_remove (t, g_strdup(test[i].key));
}
g_hash_table_foreach(t, fail_func, 0);
return 0;
}
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