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/* |
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** Copyright (C) 2002 by Kevin L. Mitchell <klmitch@mit.edu> |
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** |
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** This library is free software; you can redistribute it and/or |
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** modify it under the terms of the GNU Library General Public |
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** License as published by the Free Software Foundation; either |
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** version 2 of the License, or (at your option) any later version. |
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** |
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** This library is distributed in the hope that it will be useful, |
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** but WITHOUT ANY WARRANTY; without even the implied warranty of |
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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** Library General Public License for more details. |
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** |
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** You should have received a copy of the GNU Library General Public |
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** License along with this library; if not, write to the Free |
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** Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
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** MA 02111-1307, USA |
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** |
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** @(#)$Id: t_ht_remove.c,v 1.2 2003/06/12 01:10:11 klmitch Exp $ |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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|
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#include "dbprim.h" |
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#include "dbprim_int.h" |
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|
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#define TABLE0 (void *)0x76543210 |
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#define TABLE1 (void *)0x87654321 |
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|
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#define OBJECT0 (void *)0x01234567 |
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#define OBJECT1 (void *)0x12345678 |
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#define OBJECT2 (void *)0x23456789 |
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#define OBJECT3 (void *)0x3456789a |
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#define OBJECT4 (void *)0x456789ab |
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#define OBJECT5 (void *)0x56789abc |
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#define OBJECT6 (void *)0x6789abcd |
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|
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#define DEADINT 0xdeadbeef |
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#define DEADPTR (void *)0xdeadbeef |
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|
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/* Check return value of add operation and report PASS/FAIL */ |
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static void |
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check_result(unsigned long result, unsigned long expected, char *test, |
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char *info, int die) |
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{ |
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if (result != expected) { |
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printf("FAIL/%s:%s incorrectly returned %lu (expected %lu)\n", test, info, |
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result, expected); |
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if (die) |
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exit(0); |
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} else |
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printf("PASS/%s:%s correctly returned %lu\n", test, info, result); |
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} |
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|
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static unsigned long |
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check_func(hash_table_t *table, db_key_t *key) |
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{ |
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return dk_len(key); |
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} |
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|
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static unsigned long |
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check_comp(hash_table_t *table, db_key_t *key1, db_key_t *key2) |
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{ |
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return (!(dk_len(key1) == dk_len(key2) && dk_key(key1) == dk_key(key2))); |
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} |
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|
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int |
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main(int argc, char **argv) |
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{ |
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int i; |
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hash_table_t table[] = { /* some tables to operate on */ |
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HASH_TABLE_INIT(0, check_func, check_comp, 0, TABLE0), |
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HASH_TABLE_INIT(0, check_func, check_comp, 0, TABLE1), |
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{ DEADINT, DEADINT, DEADINT, DEADINT, DEADINT, DEADINT, DEADPTR, |
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(hash_func_t)DEADPTR, (hash_comp_t)DEADPTR, (hash_resize_t)DEADPTR, |
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DEADPTR } /* table[2] */ |
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}; |
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hash_entry_t entry[] = { /* some entries to operate on */ |
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HASH_ENTRY_INIT(OBJECT0), |
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HASH_ENTRY_INIT(OBJECT1), |
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HASH_ENTRY_INIT(OBJECT2), |
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HASH_ENTRY_INIT(OBJECT3), |
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HASH_ENTRY_INIT(OBJECT4), |
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HASH_ENTRY_INIT(OBJECT5), |
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HASH_ENTRY_INIT(OBJECT6), |
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{ DEADINT, { DEADINT, DEADPTR, DEADPTR, DEADPTR, DEADPTR, DEADINT }, |
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DEADPTR, DEADINT, { DEADPTR, DEADINT }, DEADPTR } /* entry[7] */ |
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}; |
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db_key_t key[] = { /* some keys... */ |
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DB_KEY_INIT("obj0", 0), |
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DB_KEY_INIT("obj1", 1), |
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DB_KEY_INIT("obj2", 2), |
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DB_KEY_INIT("obj3", 3), |
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DB_KEY_INIT("obj4", 4), |
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DB_KEY_INIT("obj5", 5), |
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DB_KEY_INIT("obj6", 6) |
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}; |
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|
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/* initialize the tables with a size */ |
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if (ht_init(&table[0], 0, check_func, check_comp, 0, TABLE0, 7) || |
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ht_init(&table[1], 0, check_func, check_comp, 0, TABLE1, 7)) |
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return -1; /* failed to initialize test */ |
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|
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/* Add some entries to various hash tables */ |
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for (i = 0; i < 5; i++) |
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if (ht_add(&table[0], &entry[i], &key[i])) |
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return -1; /* failed to initialize test */ |
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if (ht_add(&table[1], &entry[5], &key[5])) |
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return -1; /* failed to initialize test */ |
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|
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/* Check handling of bad arguments */ |
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check_result(ht_remove(0, 0), DB_ERR_BADARGS, "ht_remove_noargs", |
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"ht_remove() with no valid arguments", 0); |
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check_result(ht_remove(&table[2], &entry[0]), DB_ERR_BADARGS, |
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"ht_remove_badtable", "ht_remove() with bad table", 1); |
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check_result(ht_remove(&table[0], &entry[7]), DB_ERR_BADARGS, |
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"ht_remove_badentry", "ht_remove() with bad entry", 1); |
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|
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/* Check if unused entry is excluded */ |
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check_result(ht_remove(&table[0], &entry[6]), DB_ERR_UNUSED, |
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"ht_remove_unused", "ht_remove() with unused entry", 1); |
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/* How about wrong table? */ |
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check_result(ht_remove(&table[0], &entry[5]), DB_ERR_WRONGTABLE, |
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"ht_remove_wrongtable", "ht_remove() with entry in wrong table", |
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1); |
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|
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/* Freeze the table temporarily */ |
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ht_flags(&table[0]) |= HASH_FLAG_FREEZE; |
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/* check if frozen tables are excluded */ |
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check_result(ht_remove(&table[0], &entry[0]), DB_ERR_FROZEN, |
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"ht_remove_frozen", "ht_remove() on frozen table", 1); |
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/* Unfreeze the table */ |
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ht_flags(&table[0]) &= ~HASH_FLAG_FREEZE; |
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|
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/* OK, try removing an entry */ |
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check_result(ht_remove(&table[0], &entry[0]), 0, "ht_remove_t0e0", |
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"Remove entry 0 in table 0", 1); |
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/* check to see if we can find it */ |
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check_result(ht_find(&table[0], 0, &key[0]), DB_ERR_NOENTRY, |
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"ht_remove_find_t0e0", "Attempt to look up removed entry", 0); |
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|
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/* Check to see if the removed entry's table pointer is 0 */ |
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if (he_table(&entry[0]) != 0) |
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printf("FAIL/ht_remove_t0e0_table:Table pointer not reset\n"); |
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else |
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printf("PASS/ht_remove_t0e0_table:Table pointer properly reset\n"); |
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|
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/* Finally, check to see if the count is correct */ |
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if (ht_count(&table[0]) != 4) |
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printf("FAIL/ht_remove_t0e0_count:Table count not adjusted; is %ld, " |
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"should be 4\n", ht_count(&table[0])); |
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else |
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printf("PASS/ht_remove_t0e0_count:Table count correctly adjusted\n"); |
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|
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return 0; |
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} |
