NetBSD/tests/lib/libc/t_cdb.c

162 lines
3.9 KiB
C

/* $NetBSD: t_cdb.c,v 1.2 2017/01/10 22:24:29 christos Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Joerg Sonnenberger.
*
* 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDERS 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.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_cdb.c,v 1.2 2017/01/10 22:24:29 christos Exp $");
#include <atf-c.h>
#include <sys/stat.h>
#include <assert.h>
#include <cdbr.h>
#include <cdbw.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define MAXKEYS 16384
static const char database_name[] = "test.cdb";
uint32_t keys[MAXKEYS];
static int
cmp_keys(const void *a_, const void *b_)
{
uint32_t a = *(const uint32_t *)a_;
uint32_t b = *(const uint32_t *)b_;
return a > b ? 1 : (a < b ? 1 : 0);
}
static void
init_keys(size_t len)
{
uint32_t sorted_keys[MAXKEYS];
size_t i;
assert(len <= MAXKEYS);
if (len == 0)
return;
do {
for (i = 0; i < len; ++i)
sorted_keys[i] = keys[i] = arc4random();
qsort(sorted_keys, len, sizeof(*sorted_keys), cmp_keys);
for (i = 1; i < len; ++i) {
if (sorted_keys[i - 1] == sorted_keys[i])
break;
}
} while (i != len);
}
static void
write_database(size_t len)
{
struct cdbw *db;
int fd;
size_t i;
uint32_t buf[2];
ATF_REQUIRE((db = cdbw_open()) != NULL);
ATF_REQUIRE((fd = creat(database_name, S_IRUSR|S_IWUSR)) != -1);
for (i = 0; i < len; ++i) {
buf[0] = i;
buf[1] = keys[i];
ATF_REQUIRE(cdbw_put(db, &keys[i], sizeof(keys[i]),
buf, sizeof(buf)) == 0);
}
ATF_REQUIRE(cdbw_output(db, fd, "test database", arc4random) == 0);
cdbw_close(db);
ATF_REQUIRE(close(fd) == 0);
}
static void
check_database(size_t len)
{
struct cdbr *db;
size_t i, data_len;
const void *data;
uint32_t buf[2];
ATF_REQUIRE((db = cdbr_open(database_name, CDBR_DEFAULT)) != NULL);
ATF_REQUIRE_EQ(cdbr_entries(db), len);
for (i = 0; i < len; ++i) {
ATF_REQUIRE(cdbr_find(db, &keys[i], sizeof(keys[i]),
&data, &data_len) != -1);
ATF_REQUIRE_EQ(data_len, sizeof(buf));
memcpy(buf, data, sizeof(buf));
ATF_REQUIRE_EQ(buf[0], i);
ATF_REQUIRE_EQ(buf[1], keys[i]);
}
cdbr_close(db);
}
ATF_TC_WITH_CLEANUP(cdb);
ATF_TC_HEAD(cdb, tc)
{
atf_tc_set_md_var(tc, "descr", "Test cdb(5) reading and writing");
}
ATF_TC_BODY(cdb, tc)
{
size_t i, sizes[] = { 0, 16, 64, 1024, 2048 };
for (i = 0; i < __arraycount(sizes); ++i) {
init_keys(sizes[i]);
write_database(sizes[i]);
check_database(sizes[i]);
unlink(database_name);
}
}
ATF_TC_CLEANUP(cdb, tc)
{
unlink(database_name);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, cdb);
return atf_no_error();
}