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/*      $NetBSD: hsearchtest.c,v 1.4 2002/02/21 07:38:15 itojun Exp $   */

/*

 * Copyright (c) 2001 Christopher G. Demetriou

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>

 */

/*

 * Test program for hsearch() et al.

 */

#include <sys/cdefs.h>

#if 0

#if !defined(lint)

__RCSID("$NetBSD: hsearchtest.c,v 1.4 2002/02/21 07:38:15 itojun Exp $");

__COPYRIGHT(

"@(#) Copyright (c) 2001 Christopher G. Demetriou.  All rights reserved.\n");

#endif /* not lint */

#endif

#include <search.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#define TEST(e) ((e) ? (void)0 : testfail(__FILE__, __LINE__, #e))

static void

testfail(const char *file, unsigned long line, const char *expression)

{

        fprintf(stderr, "TEST FAILED: %s: file %s, line %ld\n",

            expression, file, line);

        exit(1);

}

int

main(int argc, char *argv[])

{

        ENTRY e, *ep, *ep2;

        int created_ok;

        char ch[2];

        int i;

        created_ok = hcreate(16);

        TEST(created_ok);

        /* ch[1] should be constant from here on down. */

        ch[1] = '\0';

        /* Basic insertions.  Check enough that there'll be collisions. */

        for (i = 0; i < 26; i++) {

                ch[0] = 'a' + i;

                e.key = strdup(ch);     /* ptr to provided key is kept! */

                TEST(e.key != NULL);

                e.data = (void *)(long)i;

                ep = hsearch(e, ENTER);

                TEST(ep != NULL);

                TEST(strcmp(ep->key, ch) == 0);

                TEST((long)ep->data == i);

        }

        /* e.key should be constant from here on down. */

        e.key = ch;

        /* Basic lookups. */

        for (i = 0; i < 26; i++) {

                ch[0] = 'a' + i;

                ep = hsearch(e, FIND);

                TEST(ep != NULL);

                TEST(strcmp(ep->key, ch) == 0);

                TEST((long)ep->data == i);

        }

        /* Check duplicate entry.  Should _not_ overwrite existing data.  */

        ch[0] = 'a';

        e.data = (void *)(long)12345;

        ep = hsearch(e, FIND);

        TEST(ep != NULL);

        TEST(strcmp(ep->key, ch) == 0);

        TEST((long)ep->data == 0);

        /* Check for something that's not there. */

        ch[0] = 'A';

        ep = hsearch(e, FIND);

        TEST(ep == NULL);

        /* Check two at once. */

        ch[0] = 'a';

        ep = hsearch(e, FIND);

        ch[0] = 'b';

        ep2 = hsearch(e, FIND);

        TEST(ep != NULL);

        TEST(strcmp(ep->key, "a") == 0 && (long)ep->data == 0);

        TEST(ep2 != NULL);

        TEST(strcmp(ep2->key, "b") == 0 && (long)ep2->data == 1);

        hdestroy();

        exit(0);

}