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openssl/test/stack_test.c

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/*
* Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
*
* Licensed under the OpenSSL license (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/safestack.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
typedef struct {
int n;
char c;
} SS;
typedef union {
int n;
char c;
} SU;
DEFINE_SPECIAL_STACK_OF(sint, int)
DEFINE_SPECIAL_STACK_OF_CONST(uchar, unsigned char)
DEFINE_STACK_OF(SS)
DEFINE_STACK_OF_CONST(SU)
static int int_compare(const int *const *a, const int *const *b)
{
if (**a < **b)
return -1;
if (**a > **b)
return 1;
return 0;
}
static int test_int_stack(void)
{
static int v[] = { 1, 2, -4, 16, 999, 1, -173, 1, 9 };
static int notpresent = -1;
const int n = OSSL_NELEM(v);
static struct {
int value;
int unsorted;
int sorted;
int ex;
} finds[] = {
{ 2, 1, 5, 5 },
{ 9, 7, 6, 6 },
{ -173, 5, 0, 0 },
{ 999, 3, 8, 8 },
{ 0, -1, -1, 1 }
};
const int n_finds = OSSL_NELEM(finds);
static struct {
int value;
int ex;
} exfinds[] = {
{ 3, 5 },
{ 1000, 8 },
{ 20, 8 },
{ -999, 0 },
{ -5, 0 },
{ 8, 5 }
};
const int n_exfinds = OSSL_NELEM(exfinds);
STACK_OF(sint) *s = sk_sint_new_null();
int i;
int testresult = 0;
/* Check push and num */
for (i = 0; i < n; i++) {
if (!TEST_int_eq(sk_sint_num(s), i)) {
TEST_info("int stack size %d", i);
goto end;
}
sk_sint_push(s, v + i);
}
if (!TEST_int_eq(sk_sint_num(s), n))
goto end;
/* check the values */
for (i = 0; i < n; i++)
if (!TEST_ptr_eq(sk_sint_value(s, i), v + i)) {
TEST_info("int value %d", i);
goto end;
}
/* find unsorted -- the pointers are compared */
for (i = 0; i < n_finds; i++) {
int *val = (finds[i].unsorted == -1) ? &notpresent
: v + finds[i].unsorted;
if (!TEST_int_eq(sk_sint_find(s, val), finds[i].unsorted)) {
TEST_info("int unsorted find %d", i);
goto end;
}
}
/* find_ex unsorted */
for (i = 0; i < n_finds; i++) {
int *val = (finds[i].unsorted == -1) ? &notpresent
: v + finds[i].unsorted;
if (!TEST_int_eq(sk_sint_find_ex(s, val), finds[i].unsorted)) {
TEST_info("int unsorted find_ex %d", i);
goto end;
}
}
/* sorting */
if (!TEST_false(sk_sint_is_sorted(s)))
goto end;
sk_sint_set_cmp_func(s, &int_compare);
sk_sint_sort(s);
if (!TEST_true(sk_sint_is_sorted(s)))
goto end;
/* find sorted -- the value is matched so we don't need to locate it */
for (i = 0; i < n_finds; i++)
if (!TEST_int_eq(sk_sint_find(s, &finds[i].value), finds[i].sorted)) {
TEST_info("int sorted find %d", i);
goto end;
}
/* find_ex sorted */
for (i = 0; i < n_finds; i++)
if (!TEST_int_eq(sk_sint_find_ex(s, &finds[i].value), finds[i].ex)) {
TEST_info("int sorted find_ex present %d", i);
goto end;
}
for (i = 0; i < n_exfinds; i++)
if (!TEST_int_eq(sk_sint_find_ex(s, &exfinds[i].value), exfinds[i].ex)){
TEST_info("int sorted find_ex absent %d", i);
goto end;
}
/* shift */
if (!TEST_ptr_eq(sk_sint_shift(s), v + 6))
goto end;
testresult = 1;
end:
sk_sint_free(s);
return testresult;
}
static int uchar_compare(const unsigned char *const *a,
const unsigned char *const *b)
{
return **a - (signed int)**b;
}
static int test_uchar_stack(void)
{
static const unsigned char v[] = { 1, 3, 7, 5, 255, 0 };
const int n = OSSL_NELEM(v);
STACK_OF(uchar) *s = sk_uchar_new(&uchar_compare), *r = NULL;
int i;
int testresult = 0;
/* unshift and num */
for (i = 0; i < n; i++) {
if (!TEST_int_eq(sk_uchar_num(s), i)) {
TEST_info("uchar stack size %d", i);
goto end;
}
sk_uchar_unshift(s, v + i);
}
if (!TEST_int_eq(sk_uchar_num(s), n))
goto end;
/* dup */
r = sk_uchar_dup(s);
if (!TEST_int_eq(sk_uchar_num(r), n))
goto end;
sk_uchar_sort(r);
/* pop */
for (i = 0; i < n; i++)
if (!TEST_ptr_eq(sk_uchar_pop(s), v + i)) {
TEST_info("uchar pop %d", i);
goto end;
}
/* free -- we rely on the debug malloc to detect leakage here */
sk_uchar_free(s);
s = NULL;
/* dup again */
if (!TEST_int_eq(sk_uchar_num(r), n))
goto end;
/* zero */
sk_uchar_zero(r);
if (!TEST_int_eq(sk_uchar_num(r), 0))
goto end;
/* insert */
sk_uchar_insert(r, v, 0);
sk_uchar_insert(r, v + 2, -1);
sk_uchar_insert(r, v + 1, 1);
for (i = 0; i < 3; i++)
if (!TEST_ptr_eq(sk_uchar_value(r, i), v + i)) {
TEST_info("uchar insert %d", i);
goto end;
}
/* delete */
if (!TEST_ptr_null(sk_uchar_delete(r, 12)))
goto end;
if (!TEST_ptr_eq(sk_uchar_delete(r, 1), v + 1))
goto end;
/* set */
sk_uchar_set(r, 1, v + 1);
for (i = 0; i < 2; i++)
if (!TEST_ptr_eq(sk_uchar_value(r, i), v + i)) {
TEST_info("uchar set %d", i);
goto end;
}
testresult = 1;
end:
sk_uchar_free(r);
sk_uchar_free(s);
return testresult;
}
static SS *SS_copy(const SS *p)
{
SS *q = OPENSSL_malloc(sizeof(*q));
if (q != NULL)
memcpy(q, p, sizeof(*q));
return q;
}
static void SS_free(SS *p) {
OPENSSL_free(p);
}
static int test_SS_stack(void)
{
STACK_OF(SS) *s = sk_SS_new_null();
STACK_OF(SS) *r = NULL;
SS *v[10], *p;
const int n = OSSL_NELEM(v);
int i;
int testresult = 0;
/* allocate and push */
for (i = 0; i < n; i++) {
v[i] = OPENSSL_malloc(sizeof(*v[i]));
if (!TEST_ptr(v[i]))
goto end;
v[i]->n = i;
v[i]->c = 'A' + i;
if (!TEST_int_eq(sk_SS_num(s), i)) {
TEST_info("SS stack size %d", i);
goto end;
}
sk_SS_push(s, v[i]);
}
if (!TEST_int_eq(sk_SS_num(s), n))
goto end;
/* deepcopy */
r = sk_SS_deep_copy(s, &SS_copy, &SS_free);
if (!TEST_ptr(r))
goto end;
for (i = 0; i < n; i++) {
p = sk_SS_value(r, i);
if (!TEST_ptr_ne(p, v[i])) {
TEST_info("SS deepcopy non-copy %d", i);
goto end;
}
if (!TEST_int_eq(p->n, v[i]->n)) {
TEST_info("test SS deepcopy int %d", i);
goto end;
}
if (!TEST_char_eq(p->c, v[i]->c)) {
TEST_info("SS deepcopy char %d", i);
goto end;
}
}
/* pop_free - we rely on the malloc debug to catch the leak */
sk_SS_pop_free(r, &SS_free);
r = NULL;
/* delete_ptr */
p = sk_SS_delete_ptr(s, v[3]);
if (!TEST_ptr(p))
goto end;
SS_free(p);
if (!TEST_int_eq(sk_SS_num(s), n - 1))
goto end;
for (i = 0; i < n-1; i++)
if (!TEST_ptr_eq(sk_SS_value(s, i), v[i<3 ? i : 1+i])) {
TEST_info("SS delete ptr item %d", i);
goto end;
}
testresult = 1;
end:
sk_SS_pop_free(r, &SS_free);
sk_SS_pop_free(s, &SS_free);
return testresult;
}
static int test_SU_stack(void)
{
STACK_OF(SU) *s = sk_SU_new_null();
SU v[10];
const int n = OSSL_NELEM(v);
int i;
int testresult = 0;
/* allocate and push */
for (i = 0; i < n; i++) {
if ((i & 1) == 0)
v[i].n = i;
else
v[i].c = 'A' + i;
if (!TEST_int_eq(sk_SU_num(s), i)) {
TEST_info("SU stack size %d", i);
goto end;
}
sk_SU_push(s, v + i);
}
if (!TEST_int_eq(sk_SU_num(s), n))
goto end;
/* check the pointers are correct */
for (i = 0; i < n; i++)
if (!TEST_ptr_eq(sk_SU_value(s, i), v + i)) {
TEST_info("SU pointer check %d", i);
goto end;
}
testresult = 1;
end:
sk_SU_free(s);
return testresult;
}
int setup_tests(void)
{
ADD_TEST(test_int_stack);
ADD_TEST(test_uchar_stack);
ADD_TEST(test_SS_stack);
ADD_TEST(test_SU_stack);
return 1;
}
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