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/*
* Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <openssl/opensslconf.h>
#include <openssl/lhash.h>
#include <openssl/err.h>
#include <openssl/crypto.h>
#include "internal/nelem.h"
#include "testutil.h"
/*
* The macros below generate unused functions which error out one of the clang
* builds. We disable this check here.
*/
#ifdef __clang__
#pragma clang diagnostic ignored "-Wunused-function"
#endif
DEFINE_LHASH_OF_EX(int);
static int int_tests[] = { 65537, 13, 1, 3, -5, 6, 7, 4, -10, -12, -14, 22, 9,
-17, 16, 17, -23, 35, 37, 173, 11 };
static const unsigned int n_int_tests = OSSL_NELEM(int_tests);
static short int_found[OSSL_NELEM(int_tests)];
static short int_not_found;
static unsigned long int int_hash(const int *p)
{
return 3 & *p; /* To force collisions */
}
static int int_cmp(const int *p, const int *q)
{
return *p != *q;
}
static int int_find(int n)
{
unsigned int i;
for (i = 0; i < n_int_tests; i++)
if (int_tests[i] == n)
return i;
return -1;
}
static void int_doall(int *v)
{
const int n = int_find(*v);
if (n < 0)
int_not_found++;
else
int_found[n]++;
}
static void int_doall_arg(int *p, short *f)
{
const int n = int_find(*p);
if (n < 0)
int_not_found++;
else
f[n]++;
}
IMPLEMENT_LHASH_DOALL_ARG(int, short);
static int test_int_lhash(void)
{
static struct {
int data;
int null;
} dels[] = {
{ 65537, 0 },
{ 173, 0 },
{ 999, 1 },
{ 37, 0 },
{ 1, 0 },
{ 34, 1 }
};
const unsigned int n_dels = OSSL_NELEM(dels);
LHASH_OF(int) *h = lh_int_new(&int_hash, &int_cmp);
unsigned int i;
int testresult = 0, j, *p;
if (!TEST_ptr(h))
goto end;
/* insert */
for (i = 0; i < n_int_tests; i++)
if (!TEST_ptr_null(lh_int_insert(h, int_tests + i))) {
TEST_info("int insert %d", i);
goto end;
}
/* num_items */
if (!TEST_int_eq(lh_int_num_items(h), n_int_tests))
goto end;
/* retrieve */
for (i = 0; i < n_int_tests; i++)
if (!TEST_int_eq(*lh_int_retrieve(h, int_tests + i), int_tests[i])) {
TEST_info("lhash int retrieve value %d", i);
goto end;
}
for (i = 0; i < n_int_tests; i++)
if (!TEST_ptr_eq(lh_int_retrieve(h, int_tests + i), int_tests + i)) {
TEST_info("lhash int retrieve address %d", i);
goto end;
}
j = 1;
if (!TEST_ptr_eq(lh_int_retrieve(h, &j), int_tests + 2))
goto end;
/* replace */
j = 13;
if (!TEST_ptr(p = lh_int_insert(h, &j)))
goto end;
if (!TEST_ptr_eq(p, int_tests + 1))
goto end;
if (!TEST_ptr_eq(lh_int_retrieve(h, int_tests + 1), &j))
goto end;
/* do_all */
memset(int_found, 0, sizeof(int_found));
int_not_found = 0;
lh_int_doall(h, &int_doall);
if (!TEST_int_eq(int_not_found, 0)) {
TEST_info("lhash int doall encountered a not found condition");
goto end;
}
for (i = 0; i < n_int_tests; i++)
if (!TEST_int_eq(int_found[i], 1)) {
TEST_info("lhash int doall %d", i);
goto end;
}
/* do_all_arg */
memset(int_found, 0, sizeof(int_found));
int_not_found = 0;
lh_int_doall_short(h, int_doall_arg, int_found);
if (!TEST_int_eq(int_not_found, 0)) {
TEST_info("lhash int doall arg encountered a not found condition");
goto end;
}
for (i = 0; i < n_int_tests; i++)
if (!TEST_int_eq(int_found[i], 1)) {
TEST_info("lhash int doall arg %d", i);
goto end;
}
/* delete */
for (i = 0; i < n_dels; i++) {
const int b = lh_int_delete(h, &dels[i].data) == NULL;
if (!TEST_int_eq(b ^ dels[i].null, 0)) {
TEST_info("lhash int delete %d", i);
goto end;
}
}
/* error */
if (!TEST_int_eq(lh_int_error(h), 0))
goto end;
testresult = 1;
end:
lh_int_free(h);
return testresult;
}
static unsigned long int stress_hash(const int *p)
{
return *p;
}
static int test_stress(void)
{
LHASH_OF(int) *h = lh_int_new(&stress_hash, &int_cmp);
const unsigned int n = 2500000;
unsigned int i;
int testresult = 0, *p;
if (!TEST_ptr(h))
goto end;
/* insert */
for (i = 0; i < n; i++) {
p = OPENSSL_malloc(sizeof(i));
if (!TEST_ptr(p)) {
TEST_info("lhash stress out of memory %d", i);
goto end;
}
*p = 3 * i + 1;
lh_int_insert(h, p);
}
/* num_items */
if (!TEST_int_eq(lh_int_num_items(h), n))
goto end;
/* delete in a different order */
for (i = 0; i < n; i++) {
const int j = (7 * i + 4) % n * 3 + 1;
if (!TEST_ptr(p = lh_int_delete(h, &j))) {
TEST_info("lhash stress delete %d\n", i);
goto end;
}
if (!TEST_int_eq(*p, j)) {
TEST_info("lhash stress bad value %d", i);
goto end;
}
OPENSSL_free(p);
}
testresult = 1;
end:
lh_int_free(h);
return testresult;
}
int setup_tests(void)
{
ADD_TEST(test_int_lhash);
ADD_TEST(test_stress);
return 1;
}
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