159 lines
3.8 KiB
C
159 lines
3.8 KiB
C
/* $NetBSD: t_cdb.c,v 1.1 2012/09/27 00:38:57 joerg Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Joerg Sonnenberger.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_cdb.c,v 1.1 2012/09/27 00:38:57 joerg Exp $");
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#include <atf-c.h>
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#include <assert.h>
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#include <cdbr.h>
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#include <cdbw.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define MAXKEYS 16384
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static const char database_name[] = "test.cdb";
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uint32_t keys[MAXKEYS];
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static int
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cmp_keys(const void *a_, const void *b_)
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{
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uint32_t a = *(const uint32_t *)a_;
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uint32_t b = *(const uint32_t *)b_;
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return a > b ? 1 : (a < b ? 1 : 0);
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}
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static void
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init_keys(size_t len)
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{
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uint32_t sorted_keys[MAXKEYS];
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size_t i;
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assert(len <= MAXKEYS);
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if (len == 0)
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return;
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do {
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for (i = 0; i < len; ++i)
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sorted_keys[i] = keys[i] = arc4random();
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qsort(sorted_keys, len, sizeof(*sorted_keys), cmp_keys);
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for (i = 1; i < len; ++i) {
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if (sorted_keys[i - 1] == sorted_keys[i])
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break;
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}
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} while (i != len);
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}
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static void
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write_database(size_t len)
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{
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struct cdbw *db;
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int fd;
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size_t i;
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uint32_t buf[2];
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ATF_REQUIRE((db = cdbw_open()) != NULL);
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ATF_REQUIRE((fd = creat(database_name, S_IRUSR|S_IWUSR)) != -1);
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for (i = 0; i < len; ++i) {
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buf[0] = i;
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buf[1] = keys[i];
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ATF_REQUIRE(cdbw_put(db, &keys[i], sizeof(keys[i]),
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buf, sizeof(buf)) == 0);
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}
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ATF_REQUIRE(cdbw_output(db, fd, "test database", arc4random) == 0);
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cdbw_close(db);
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ATF_REQUIRE(close(fd) == 0);
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}
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static void
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check_database(size_t len)
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{
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struct cdbr *db;
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size_t i, data_len;
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const void *data;
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uint32_t buf[2];
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ATF_REQUIRE((db = cdbr_open(database_name, CDBR_DEFAULT)) != NULL);
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ATF_REQUIRE_EQ(cdbr_entries(db), len);
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for (i = 0; i < len; ++i) {
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ATF_REQUIRE(cdbr_find(db, &keys[i], sizeof(keys[i]),
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&data, &data_len) != -1);
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ATF_REQUIRE_EQ(data_len, sizeof(buf));
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memcpy(buf, data, sizeof(buf));
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ATF_REQUIRE_EQ(buf[0], i);
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ATF_REQUIRE_EQ(buf[1], keys[i]);
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}
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cdbr_close(db);
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}
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ATF_TC_WITH_CLEANUP(cdb);
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ATF_TC_HEAD(cdb, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test cdb(5) reading and writing");
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}
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ATF_TC_BODY(cdb, tc)
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{
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size_t i, sizes[] = { 0, 16, 64, 1024, 2048 };
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for (i = 0; i < __arraycount(sizes); ++i) {
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init_keys(sizes[i]);
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write_database(sizes[i]);
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check_database(sizes[i]);
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unlink(database_name);
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}
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}
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ATF_TC_CLEANUP(cdb, tc)
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{
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unlink(database_name);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, cdb);
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return atf_no_error();
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}
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