git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11600 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			126 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 1999 - 2003 Kungliga Tekniska Högskolan
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 * (Royal Institute of Technology, Stockholm, Sweden). 
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 * All rights reserved. 
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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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 *
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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 the 
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 *    documentation and/or other materials provided with the distribution. 
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 *
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 * 3. Neither the name of the Institute nor the names of its contributors 
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 *    may be used to endorse or promote products derived from this software 
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 *    without specific prior written permission. 
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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 * OUT 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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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <err.h>
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#include <roken.h>
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#include "check-common.h"
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RCSID("$Id$");
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static void
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print_bytes (unsigned const char *buf, size_t len)
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{
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    int i;
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    for (i = 0; i < len; ++i)
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	printf ("%02x ", buf[i]);
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}
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int
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generic_test (const struct test_case *tests,
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	      unsigned ntests,
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	      size_t data_size,
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	      int (*encode)(unsigned char *, size_t, void *, size_t *),
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	      int (*length)(void *),
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	      int (*decode)(unsigned char *, size_t, void *, size_t *),
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	      int (*cmp)(void *a, void *b))
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{
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    unsigned char buf[4711];
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    int i;
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    int failures = 0;
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    void *val = malloc (data_size);
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    if (data_size != 0 && val == NULL)
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	err (1, "malloc");
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    for (i = 0; i < ntests; ++i) {
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	int ret;
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	size_t sz, consumed_sz, length_sz;
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	unsigned char *beg;
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	ret = (*encode) (buf + sizeof(buf) - 1, sizeof(buf),
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			 tests[i].val, &sz);
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	beg = buf + sizeof(buf) - sz;
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	if (ret != 0) {
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	    printf ("encoding of %s failed\n", tests[i].name);
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	    ++failures;
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	}
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	if (sz != tests[i].byte_len) {
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	    printf ("encoding of %s has wrong len (%lu != %lu)\n",
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		    tests[i].name, 
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		    (unsigned long)sz, (unsigned long)tests[i].byte_len);
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	    ++failures;
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	}
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	length_sz = (*length) (tests[i].val);
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	if (sz != length_sz) {
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	    printf ("length for %s is bad (%lu != %lu)\n",
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		    tests[i].name, (unsigned long)length_sz, (unsigned long)sz);
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	    ++failures;
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	}
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	if (memcmp (beg, tests[i].bytes, tests[i].byte_len) != 0) {
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	    printf ("encoding of %s has bad bytes:\n"
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		    "correct: ", tests[i].name);
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	    print_bytes (tests[i].bytes, tests[i].byte_len);
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	    printf ("\nactual:  ");
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	    print_bytes (beg, sz);
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	    printf ("\n");
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	    ++failures;
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	}
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	ret = (*decode) (beg, sz, val, &consumed_sz);
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	if (ret != 0) {
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	    printf ("decoding of %s failed\n", tests[i].name);
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	    ++failures;
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	}
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	if (sz != consumed_sz) {
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	    printf ("different length decoding %s (%ld != %ld)\n",
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		    tests[i].name, 
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		    (unsigned long)sz, (unsigned long)consumed_sz);
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	    ++failures;
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	}
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	if ((*cmp)(val, tests[i].val) != 0) {
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	    printf ("%s: comparison failed\n", tests[i].name);
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	    ++failures;
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	}
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    }
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    free (val);
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    return failures;
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}
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