test/lhash_test.c

   1 /*
   2  * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2017, Oracle and/or its affiliates.  All rights reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13
  14 #include <openssl/opensslconf.h>
  15 #include <openssl/lhash.h>
  16 #include <openssl/err.h>
  17 #include <openssl/crypto.h>
  18
  19 #include "internal/nelem.h"
  20 #include "testutil.h"
  21
  22 /*
  23  * The macros below generate unused functions which error out one of the clang
  24  * builds.  We disable this check here.
  25  */
  26 #ifdef __clang__
  27 #pragma clang diagnostic ignored "-Wunused-function"
  28 #endif
  29
  30 DEFINE_LHASH_OF(int);
  31
  32 static int int_tests[] = { 65537, 13, 1, 3, -5, 6, 7, 4, -10, -12, -14, 22, 9,
  33                            -17, 16, 17, -23, 35, 37, 173, 11 };
  34 static const unsigned int n_int_tests = OSSL_NELEM(int_tests);
  35 static short int_found[OSSL_NELEM(int_tests)];
  36
  37 static unsigned long int int_hash(const int *p)
  38 {
  39     return 3 & *p;      /* To force collisions */
  40 }
  41
  42 static int int_cmp(const int *p, const int *q)
  43 {
  44     return *p != *q;
  45 }
  46
  47 static int int_find(int n)
  48 {
  49     unsigned int i;
  50
  51     for (i = 0; i < n_int_tests; i++)
  52         if (int_tests[i] == n)
  53             return i;
  54     return -1;
  55 }
  56
  57 static void int_doall(int *v)
  58 {
  59     int_found[int_find(*v)]++;
  60 }
  61
  62 static void int_doall_arg(int *p, short *f)
  63 {
  64     f[int_find(*p)]++;
  65 }
  66
  67 IMPLEMENT_LHASH_DOALL_ARG(int, short);
  68
  69 static int test_int_lhash(void)
  70 {
  71     static struct {
  72         int data;
  73         int null;
  74     } dels[] = {
  75         { 65537,    0 },
  76         { 173,      0 },
  77         { 999,      1 },
  78         { 37,       0 },
  79         { 1,        0 },
  80         { 34,       1 }
  81     };
  82     const unsigned int n_dels = OSSL_NELEM(dels);
  83     LHASH_OF(int) *h = lh_int_new(&int_hash, &int_cmp);
  84     unsigned int i;
  85     int testresult = 0, j, *p;
  86
  87     if (!TEST_ptr(h))
  88         goto end;
  89
  90     /* insert */
  91     for (i = 0; i < n_int_tests; i++)
  92         if (!TEST_ptr_null(lh_int_insert(h, int_tests + i))) {
  93             TEST_info("int insert %d", i);
  94             goto end;
  95         }
  96
  97     /* num_items */
  98     if (!TEST_int_eq(lh_int_num_items(h), n_int_tests))
  99         goto end;
 100
 101     /* retrieve */
 102     for (i = 0; i < n_int_tests; i++)
 103         if (!TEST_int_eq(*lh_int_retrieve(h, int_tests + i), int_tests[i])) {
 104             TEST_info("lhash int retrieve value %d", i);
 105             goto end;
 106         }
 107     for (i = 0; i < n_int_tests; i++)
 108         if (!TEST_ptr_eq(lh_int_retrieve(h, int_tests + i), int_tests + i)) {
 109             TEST_info("lhash int retrieve address %d", i);
 110             goto end;
 111         }
 112     j = 1;
 113     if (!TEST_ptr_eq(lh_int_retrieve(h, &j), int_tests + 2))
 114         goto end;
 115
 116     /* replace */
 117     j = 13;
 118     if (!TEST_ptr(p = lh_int_insert(h, &j)))
 119         goto end;
 120     if (!TEST_ptr_eq(p, int_tests + 1))
 121         goto end;
 122     if (!TEST_ptr_eq(lh_int_retrieve(h, int_tests + 1), &j))
 123         goto end;
 124
 125     /* do_all */
 126     memset(int_found, 0, sizeof(int_found));
 127     lh_int_doall(h, &int_doall);
 128     for (i = 0; i < n_int_tests; i++)
 129         if (!TEST_int_eq(int_found[i], 1)) {
 130             TEST_info("lhash int doall %d", i);
 131             goto end;
 132         }
 133
 134     /* do_all_arg */
 135     memset(int_found, 0, sizeof(int_found));
 136     lh_int_doall_short(h, int_doall_arg, int_found);
 137     for (i = 0; i < n_int_tests; i++)
 138         if (!TEST_int_eq(int_found[i], 1)) {
 139             TEST_info("lhash int doall arg %d", i);
 140             goto end;
 141         }
 142
 143     /* delete */
 144     for (i = 0; i < n_dels; i++) {
 145         const int b = lh_int_delete(h, &dels[i].data) == NULL;
 146         if (!TEST_int_eq(b ^ dels[i].null,  0)) {
 147             TEST_info("lhash int delete %d", i);
 148             goto end;
 149         }
 150     }
 151
 152     /* error */
 153     if (!TEST_int_eq(lh_int_error(h), 0))
 154         goto end;
 155
 156     testresult = 1;
 157 end:
 158     lh_int_free(h);
 159     return testresult;
 160 }
 161
 162 static unsigned long int stress_hash(const int *p)
 163 {
 164     return *p;
 165 }
 166
 167 static int test_stress(void)
 168 {
 169     LHASH_OF(int) *h = lh_int_new(&stress_hash, &int_cmp);
 170     const unsigned int n = 2500000;
 171     unsigned int i;
 172     int testresult = 0, *p;
 173
 174     if (!TEST_ptr(h))
 175         goto end;
 176
 177     /* insert */
 178     for (i = 0; i < n; i++) {
 179         p = OPENSSL_malloc(sizeof(i));
 180         if (!TEST_ptr(p)) {
 181             TEST_info("lhash stress out of memory %d", i);
 182             goto end;
 183         }
 184         *p = 3 * i + 1;
 185         lh_int_insert(h, p);
 186     }
 187
 188     /* num_items */
 189     if (!TEST_int_eq(lh_int_num_items(h), n))
 190             goto end;
 191
 192     TEST_info("hash full statistics:");
 193     OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);
 194     TEST_note("hash full node usage:");
 195     OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);
 196
 197     /* delete in a different order */
 198     for (i = 0; i < n; i++) {
 199         const int j = (7 * i + 4) % n * 3 + 1;
 200
 201         if (!TEST_ptr(p = lh_int_delete(h, &j))) {
 202             TEST_info("lhash stress delete %d\n", i);
 203             goto end;
 204         }
 205         if (!TEST_int_eq(*p, j)) {
 206             TEST_info("lhash stress bad value %d", i);
 207             goto end;
 208         }
 209         OPENSSL_free(p);
 210     }
 211
 212     TEST_info("hash empty statistics:");
 213     OPENSSL_LH_stats_bio((OPENSSL_LHASH *)h, bio_err);
 214     TEST_note("hash empty node usage:");
 215     OPENSSL_LH_node_usage_stats_bio((OPENSSL_LHASH *)h, bio_err);
 216
 217     testresult = 1;
 218 end:
 219     lh_int_free(h);
 220     return testresult;
 221 }
 222
 223 int setup_tests(void)
 224 {
 225     ADD_TEST(test_int_lhash);
 226     ADD_TEST(test_stress);
 227     return 1;
 228 }