1 /* $NetBSD: t_cdb.c,v 1.1 2012/09/27 00:38:57 joerg Exp $ */ 2 /*- 3 * Copyright (c) 2012 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Joerg Sonnenberger. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __RCSID("$NetBSD: t_cdb.c,v 1.1 2012/09/27 00:38:57 joerg Exp $"); 36 37 #include <atf-c.h> 38 #include <assert.h> 39 #include <cdbr.h> 40 #include <cdbw.h> 41 #include <fcntl.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 #define MAXKEYS 16384 47 48 static const char database_name[] = "test.cdb"; 49 50 uint32_t keys[MAXKEYS]; 51 52 static int 53 cmp_keys(const void *a_, const void *b_) 54 { 55 uint32_t a = *(const uint32_t *)a_; 56 uint32_t b = *(const uint32_t *)b_; 57 58 return a > b ? 1 : (a < b ? 1 : 0); 59 } 60 61 static void 62 init_keys(size_t len) 63 { 64 uint32_t sorted_keys[MAXKEYS]; 65 size_t i; 66 67 assert(len <= MAXKEYS); 68 69 if (len == 0) 70 return; 71 72 do { 73 for (i = 0; i < len; ++i) 74 sorted_keys[i] = keys[i] = arc4random(); 75 76 qsort(sorted_keys, len, sizeof(*sorted_keys), cmp_keys); 77 for (i = 1; i < len; ++i) { 78 if (sorted_keys[i - 1] == sorted_keys[i]) 79 break; 80 } 81 } while (i != len); 82 } 83 84 static void 85 write_database(size_t len) 86 { 87 struct cdbw *db; 88 int fd; 89 size_t i; 90 uint32_t buf[2]; 91 92 ATF_REQUIRE((db = cdbw_open()) != NULL); 93 ATF_REQUIRE((fd = creat(database_name, S_IRUSR|S_IWUSR)) != -1); 94 for (i = 0; i < len; ++i) { 95 buf[0] = i; 96 buf[1] = keys[i]; 97 ATF_REQUIRE(cdbw_put(db, &keys[i], sizeof(keys[i]), 98 buf, sizeof(buf)) == 0); 99 } 100 ATF_REQUIRE(cdbw_output(db, fd, "test database", arc4random) == 0); 101 cdbw_close(db); 102 ATF_REQUIRE(close(fd) == 0); 103 } 104 105 static void 106 check_database(size_t len) 107 { 108 struct cdbr *db; 109 size_t i, data_len; 110 const void *data; 111 uint32_t buf[2]; 112 113 ATF_REQUIRE((db = cdbr_open(database_name, CDBR_DEFAULT)) != NULL); 114 ATF_REQUIRE_EQ(cdbr_entries(db), len); 115 for (i = 0; i < len; ++i) { 116 ATF_REQUIRE(cdbr_find(db, &keys[i], sizeof(keys[i]), 117 &data, &data_len) != -1); 118 ATF_REQUIRE_EQ(data_len, sizeof(buf)); 119 memcpy(buf, data, sizeof(buf)); 120 ATF_REQUIRE_EQ(buf[0], i); 121 ATF_REQUIRE_EQ(buf[1], keys[i]); 122 } 123 cdbr_close(db); 124 } 125 126 ATF_TC_WITH_CLEANUP(cdb); 127 128 ATF_TC_HEAD(cdb, tc) 129 { 130 131 atf_tc_set_md_var(tc, "descr", "Test cdb(5) reading and writing"); 132 } 133 134 ATF_TC_BODY(cdb, tc) 135 { 136 size_t i, sizes[] = { 0, 16, 64, 1024, 2048 }; 137 for (i = 0; i < __arraycount(sizes); ++i) { 138 init_keys(sizes[i]); 139 write_database(sizes[i]); 140 check_database(sizes[i]); 141 unlink(database_name); 142 } 143 } 144 145 ATF_TC_CLEANUP(cdb, tc) 146 { 147 148 unlink(database_name); 149 } 150 151 ATF_TP_ADD_TCS(tp) 152 { 153 154 ATF_TP_ADD_TC(tp, cdb); 155 156 return atf_no_error(); 157 } 158 159