NetBSD/tests/lib/libc/stdlib/t_hsearch.c

409 lines
9.9 KiB
C

/* $NetBSD: t_hsearch.c,v 1.3 2011/09/15 14:51:06 christos Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the
* NetBSD Project. See http://www.NetBSD.org/ for
* information about NetBSD.
* 4. 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,v 1.2 2000/06/14 15:57:33 cgd Exp>>
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2008\
The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_hsearch.c,v 1.3 2011/09/15 14:51:06 christos Exp $");
#include <errno.h>
#include <search.h>
#include <string.h>
#include <stdio.h>
#include <atf-c.h>
#define REQUIRE_ERRNO(x) ATF_REQUIRE_MSG(x, "%s", strerror(errno))
ATF_TC(hsearch_basic);
ATF_TC_HEAD(hsearch_basic, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks basic insertions and searching");
}
ATF_TC_BODY(hsearch_basic, tc)
{
ENTRY e, *ep;
char ch[2];
int i;
REQUIRE_ERRNO(hcreate(16) != 0);
/* 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! */
ATF_REQUIRE(e.key != NULL);
e.data = (void *)(long)i;
ep = hsearch(e, ENTER);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, ch);
ATF_REQUIRE_EQ((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);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, ch);
ATF_REQUIRE_EQ((long)ep->data, i);
}
hdestroy();
}
ATF_TC(hsearch_duplicate);
ATF_TC_HEAD(hsearch_duplicate, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks that inserting duplicate "
"doesn't overwrite existing data");
}
ATF_TC_BODY(hsearch_duplicate, tc)
{
ENTRY e, *ep;
REQUIRE_ERRNO(hcreate(16));
e.key = strdup("a");
ATF_REQUIRE(e.key != NULL);
e.data = (void *)(long) 0;
ep = hsearch(e, ENTER);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
e.data = (void *)(long)12345;
ep = hsearch(e, ENTER);
ep = hsearch(e, FIND);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
hdestroy();
}
ATF_TC(hsearch_nonexistent);
ATF_TC_HEAD(hsearch_nonexistent, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks searching for non-existent entry");
}
ATF_TC_BODY(hsearch_nonexistent, tc)
{
ENTRY e, *ep;
REQUIRE_ERRNO(hcreate(16));
e.key = strdup("A");
ep = hsearch(e, FIND);
ATF_REQUIRE_EQ(ep, NULL);
hdestroy();
}
ATF_TC(hsearch_two);
ATF_TC_HEAD(hsearch_two, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks that searching doesn't overwrite previous search results");
}
ATF_TC_BODY(hsearch_two, tc)
{
ENTRY e, *ep, *ep2;
char *sa, *sb;
ATF_REQUIRE((sa = strdup("a")) != NULL);
ATF_REQUIRE((sb = strdup("b")) != NULL);
REQUIRE_ERRNO(hcreate(16));
e.key = sa;
e.data = (void*)(long)0;
ep = hsearch(e, ENTER);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
e.key = sb;
e.data = (void*)(long)1;
ep = hsearch(e, ENTER);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "b");
ATF_REQUIRE_EQ((long)ep->data, 1);
e.key = sa;
ep = hsearch(e, FIND);
e.key = sb;
ep2 = hsearch(e, FIND);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
ATF_REQUIRE(ep2 != NULL);
ATF_REQUIRE_STREQ(ep2->key, "b");
ATF_REQUIRE_EQ((long)ep2->data, 1);
hdestroy();
}
ATF_TC(hsearch_r_basic);
ATF_TC_HEAD(hsearch_r_basic, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks basic insertions and searching");
}
ATF_TC_BODY(hsearch_r_basic, tc)
{
ENTRY e, *ep;
char ch[2];
int i;
struct hsearch_data t;
REQUIRE_ERRNO(hcreate_r(16, &t) != 0);
/* 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! */
ATF_REQUIRE(e.key != NULL);
e.data = (void *)(long)i;
ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, ch);
ATF_REQUIRE_EQ((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;
ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, ch);
ATF_REQUIRE_EQ((long)ep->data, i);
}
hdestroy_r(&t);
}
ATF_TC(hsearch_r_duplicate);
ATF_TC_HEAD(hsearch_r_duplicate, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks that inserting duplicate "
"doesn't overwrite existing data");
}
ATF_TC_BODY(hsearch_r_duplicate, tc)
{
ENTRY e, *ep;
struct hsearch_data t;
REQUIRE_ERRNO(hcreate_r(16, &t));
e.key = strdup("a");
ATF_REQUIRE(e.key != NULL);
e.data = (void *)(long) 0;
ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
e.data = (void *)(long)12345;
ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
hdestroy_r(&t);
}
ATF_TC(hsearch_r_nonexistent);
ATF_TC_HEAD(hsearch_r_nonexistent, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks searching for non-existent entry");
}
ATF_TC_BODY(hsearch_r_nonexistent, tc)
{
ENTRY e, *ep;
struct hsearch_data t;
REQUIRE_ERRNO(hcreate_r(16, &t));
e.key = strdup("A");
ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
ATF_REQUIRE_EQ(ep, NULL);
hdestroy_r(&t);
}
ATF_TC(hsearch_r_two);
ATF_TC_HEAD(hsearch_r_two, tc)
{
atf_tc_set_md_var(tc, "descr",
"Checks that searching doesn't overwrite previous search results");
}
ATF_TC_BODY(hsearch_r_two, tc)
{
ENTRY e, *ep, *ep2;
char *sa, *sb;
struct hsearch_data t;
ATF_REQUIRE((sa = strdup("a")) != NULL);
ATF_REQUIRE((sb = strdup("b")) != NULL);
REQUIRE_ERRNO(hcreate_r(16, &t));
e.key = sa;
e.data = (void*)(long)0;
ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
e.key = sb;
e.data = (void*)(long)1;
ATF_REQUIRE(hsearch_r(e, ENTER, &ep, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "b");
ATF_REQUIRE_EQ((long)ep->data, 1);
e.key = sa;
ATF_REQUIRE(hsearch_r(e, FIND, &ep, &t) == 1);
e.key = sb;
ATF_REQUIRE(hsearch_r(e, FIND, &ep2, &t) == 1);
ATF_REQUIRE(ep != NULL);
ATF_REQUIRE_STREQ(ep->key, "a");
ATF_REQUIRE_EQ((long)ep->data, 0);
ATF_REQUIRE(ep2 != NULL);
ATF_REQUIRE_STREQ(ep2->key, "b");
ATF_REQUIRE_EQ((long)ep2->data, 1);
hdestroy_r(&t);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, hsearch_basic);
ATF_TP_ADD_TC(tp, hsearch_duplicate);
ATF_TP_ADD_TC(tp, hsearch_nonexistent);
ATF_TP_ADD_TC(tp, hsearch_two);
ATF_TP_ADD_TC(tp, hsearch_r_basic);
ATF_TP_ADD_TC(tp, hsearch_r_duplicate);
ATF_TP_ADD_TC(tp, hsearch_r_nonexistent);
ATF_TP_ADD_TC(tp, hsearch_r_two);
return atf_no_error();
}