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t_mi_vector_hash.c revision 1.2 
      1 /*	$NetBSD: t_mi_vector_hash.c,v 1.2 2009/07/20 18:24:01 joerg Exp $	*/
      2 /*-
      3  * Copyright (c) 2009 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_mi_vector_hash.c,v 1.2 2009/07/20 18:24:01 joerg Exp $");
     36 
     37 #include <atf-c.h>
     38 #include <stdlib.h>
     39 #include <string.h>
     40 
     41 ATF_TC(t_mi_vector_hash);
     42 
     43 ATF_TC_HEAD(t_mi_vector_hash, tc)
     44 {
     45 	atf_tc_set_md_var(tc, "descr",
     46 	    "Test mi_vector_hash_vector_hash for consistent results");
     47 }
     48 
     49 static const struct testvector {
     50 	const char *vector;
     51 	uint32_t hashes[3];
     52 } testv[] = {
     53 	{ "hello, world", { 0xd38f7f21, 0xbf6be9ab, 0x37a0e989 } },
     54 	{ "", { 0x9b2ec03d, 0xdb2b69ae, 0xbd49d10d } },
     55 	{ "a", { 0x9454baa3, 0xb711c708, 0x29eec818 } },
     56 	{ "ab", { 0x9a5dca90, 0xdd212644, 0x9879ac41 } },
     57 	{ "abc", { 0x0b91c470, 0x4770cdf5, 0x251e4793 } },
     58 	{ "abcd", { 0x5f128df3, 0xf5a667a6, 0x5ae61fa5 } },
     59 	{ "abcde", { 0x4cbae281, 0x799c0ed5, 0x03a96866 } },
     60 	{ "abcdef", { 0x507a54c8, 0xb6bd06f4, 0xde922732 } },
     61 	{ "abcdefg", { 0xae2bca5d, 0x61e960ef, 0xb9e6762c } },
     62 	{ "abcdefgh", { 0xd1021264, 0x87f6988f, 0x053f775e } },
     63 	{ "abcdefghi", { 0xe380defc, 0xfc35a811, 0x3a7b0a5f } },
     64 	{ "abcdefghij", { 0x9a504408, 0x70d2e89d, 0xc9cac242 } },
     65 	{ "abcdefghijk", { 0x376117d0, 0x89f434d4, 0xe52b8e4c } },
     66 	{ "abcdefghijkl", { 0x92253599, 0x7b6ff99e, 0x0b1b3ea5 } },
     67 	{ "abcdefghijklm", { 0x92ee6a52, 0x55587d47, 0x3122b031 } },
     68 	{ "abcdefghijklmn", { 0x827baf08, 0x1d0ada73, 0xfec330e0 } },
     69 	{ "abcdefghijklmno", { 0x06ab787d, 0xc1ad17c2, 0x11dccf31 } },
     70 	{ "abcdefghijklmnop", { 0x2cf18103, 0x638c9268, 0xfa1ecf51 } },
     71 };
     72 
     73 ATF_TC_BODY(t_mi_vector_hash, tc)
     74 {
     75 	size_t i, j, len;
     76 	uint32_t hashes[3];
     77 	char buf[256];
     78 
     79 	for (j = 0; j < 8; ++j) {
     80 		for (i = 0; i < sizeof(testv) / sizeof(testv[0]); ++i) {
     81 			len = strlen(testv[i].vector);
     82 			strcpy(buf + j, testv[i].vector);
     83 			mi_vector_hash(buf + j, len, 0, hashes);
     84 			ATF_CHECK_EQ(hashes[0], testv[i].hashes[0]);
     85 			ATF_CHECK_EQ(hashes[1], testv[i].hashes[1]);
     86 			ATF_CHECK_EQ(hashes[2], testv[i].hashes[2]);
     87 		}
     88 	}
     89 }
     90 
     91 ATF_TP_ADD_TCS(tp)
     92 {
     93 	ATF_TP_ADD_TC(tp, t_mi_vector_hash);
     94 
     95 	return atf_no_error();
     96 }
     97