tests/lib/libc/stdlib/t_mi_vector_hash.c

   1 /*      $NetBSD: t_mi_vector_hash.c,v 1.3 2011/07/07 11:12:18 jruoho 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 1.3 2011/07/07 11:12:18 jruoho Exp $");
  36
  37 #include <atf-c.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40
  41 ATF_TC(mi_vector_hash_basic);
  42 ATF_TC_HEAD(mi_vector_hash_basic, tc)
  43 {
  44         atf_tc_set_md_var(tc, "descr",
  45             "Test mi_vector_hash_vector_hash for consistent results");
  46 }
  47
  48 static const struct testvector {
  49         const char *vector;
  50         uint32_t hashes[3];
  51 } testv[] = {
  52         { "hello, world", { 0xd38f7f21, 0xbf6be9ab, 0x37a0e989 } },
  53         { "", { 0x9b2ec03d, 0xdb2b69ae, 0xbd49d10d } },
  54         { "a", { 0x9454baa3, 0xb711c708, 0x29eec818 } },
  55         { "ab", { 0x9a5dca90, 0xdd212644, 0x9879ac41 } },
  56         { "abc", { 0x0b91c470, 0x4770cdf5, 0x251e4793 } },
  57         { "abcd", { 0x5f128df3, 0xf5a667a6, 0x5ae61fa5 } },
  58         { "abcde", { 0x4cbae281, 0x799c0ed5, 0x03a96866 } },
  59         { "abcdef", { 0x507a54c8, 0xb6bd06f4, 0xde922732 } },
  60         { "abcdefg", { 0xae2bca5d, 0x61e960ef, 0xb9e6762c } },
  61         { "abcdefgh", { 0xd1021264, 0x87f6988f, 0x053f775e } },
  62         { "abcdefghi", { 0xe380defc, 0xfc35a811, 0x3a7b0a5f } },
  63         { "abcdefghij", { 0x9a504408, 0x70d2e89d, 0xc9cac242 } },
  64         { "abcdefghijk", { 0x376117d0, 0x89f434d4, 0xe52b8e4c } },
  65         { "abcdefghijkl", { 0x92253599, 0x7b6ff99e, 0x0b1b3ea5 } },
  66         { "abcdefghijklm", { 0x92ee6a52, 0x55587d47, 0x3122b031 } },
  67         { "abcdefghijklmn", { 0x827baf08, 0x1d0ada73, 0xfec330e0 } },
  68         { "abcdefghijklmno", { 0x06ab787d, 0xc1ad17c2, 0x11dccf31 } },
  69         { "abcdefghijklmnop", { 0x2cf18103, 0x638c9268, 0xfa1ecf51 } },
  70 };
  71
  72 ATF_TC_BODY(mi_vector_hash_basic, tc)
  73 {
  74         size_t i, j, len;
  75         uint32_t hashes[3];
  76         char buf[256];
  77
  78         for (j = 0; j < 8; ++j) {
  79                 for (i = 0; i < sizeof(testv) / sizeof(testv[0]); ++i) {
  80                         len = strlen(testv[i].vector);
  81                         strcpy(buf + j, testv[i].vector);
  82                         mi_vector_hash(buf + j, len, 0, hashes);
  83                         ATF_CHECK_EQ(hashes[0], testv[i].hashes[0]);
  84                         ATF_CHECK_EQ(hashes[1], testv[i].hashes[1]);
  85                         ATF_CHECK_EQ(hashes[2], testv[i].hashes[2]);
  86                 }
  87         }
  88 }
  89
  90 ATF_TP_ADD_TCS(tp)
  91 {
  92         ATF_TP_ADD_TC(tp, mi_vector_hash_basic);
  93
  94         return atf_no_error();
  95 }