1 /* 2 * Copyright (c) 1999 - 2003 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifdef HAVE_CONFIG_H 35 #include <config.h> 36 #endif 37 #include <stdio.h> 38 #include <string.h> 39 #include <err.h> 40 #include <roken.h> 41 42 #include "check-common.h" 43 44 RCSID("$Id: check-common.c,v 1.1 2003/01/23 10:21:36 lha Exp $"); 45 46 static void 47 print_bytes (unsigned const char *buf, size_t len) 48 { 49 int i; 50 51 for (i = 0; i < len; ++i) 52 printf ("%02x ", buf[i]); 53 } 54 55 int 56 generic_test (const struct test_case *tests, 57 unsigned ntests, 58 size_t data_size, 59 int (*encode)(unsigned char *, size_t, void *, size_t *), 60 int (*length)(void *), 61 int (*decode)(unsigned char *, size_t, void *, size_t *), 62 int (*cmp)(void *a, void *b)) 63 { 64 unsigned char buf[4711]; 65 int i; 66 int failures = 0; 67 void *val = malloc (data_size); 68 69 if (data_size != 0 && val == NULL) 70 err (1, "malloc"); 71 72 for (i = 0; i < ntests; ++i) { 73 int ret; 74 size_t sz, consumed_sz, length_sz; 75 unsigned char *beg; 76 77 ret = (*encode) (buf + sizeof(buf) - 1, sizeof(buf), 78 tests[i].val, &sz); 79 beg = buf + sizeof(buf) - sz; 80 if (ret != 0) { 81 printf ("encoding of %s failed\n", tests[i].name); 82 ++failures; 83 } 84 if (sz != tests[i].byte_len) { 85 printf ("encoding of %s has wrong len (%lu != %lu)\n", 86 tests[i].name, 87 (unsigned long)sz, (unsigned long)tests[i].byte_len); 88 ++failures; 89 } 90 91 length_sz = (*length) (tests[i].val); 92 if (sz != length_sz) { 93 printf ("length for %s is bad (%lu != %lu)\n", 94 tests[i].name, (unsigned long)length_sz, (unsigned long)sz); 95 ++failures; 96 } 97 98 if (memcmp (beg, tests[i].bytes, tests[i].byte_len) != 0) { 99 printf ("encoding of %s has bad bytes:\n" 100 "correct: ", tests[i].name); 101 print_bytes (tests[i].bytes, tests[i].byte_len); 102 printf ("\nactual: "); 103 print_bytes (beg, sz); 104 printf ("\n"); 105 ++failures; 106 } 107 ret = (*decode) (beg, sz, val, &consumed_sz); 108 if (ret != 0) { 109 printf ("decoding of %s failed\n", tests[i].name); 110 ++failures; 111 } 112 if (sz != consumed_sz) { 113 printf ("different length decoding %s (%ld != %ld)\n", 114 tests[i].name, 115 (unsigned long)sz, (unsigned long)consumed_sz); 116 ++failures; 117 } 118 if ((*cmp)(val, tests[i].val) != 0) { 119 printf ("%s: comparison failed\n", tests[i].name); 120 ++failures; 121 } 122 } 123 free (val); 124 return failures; 125 } 126