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/*
* Copyright 2015-2018 The OpenSSL Project Authors. 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 <string.h>
#include "testutil.h"
#include "internal/numbers.h"
static int test_sanity_null_zero(void)
{
char *p;
char bytes[sizeof(p)];
/* Is NULL equivalent to all-bytes-zero? */
p = NULL;
memset(bytes, 0, sizeof(bytes));
return TEST_mem_eq(&p, sizeof(p), bytes, sizeof(bytes));
}
static int test_sanity_enum_size(void)
{
enum smallchoices { sa, sb, sc };
enum medchoices { ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml };
enum largechoices {
a01, b01, c01, d01, e01, f01, g01, h01, i01, j01,
a02, b02, c02, d02, e02, f02, g02, h02, i02, j02,
a03, b03, c03, d03, e03, f03, g03, h03, i03, j03,
a04, b04, c04, d04, e04, f04, g04, h04, i04, j04,
a05, b05, c05, d05, e05, f05, g05, h05, i05, j05,
a06, b06, c06, d06, e06, f06, g06, h06, i06, j06,
a07, b07, c07, d07, e07, f07, g07, h07, i07, j07,
a08, b08, c08, d08, e08, f08, g08, h08, i08, j08,
a09, b09, c09, d09, e09, f09, g09, h09, i09, j09,
a10, b10, c10, d10, e10, f10, g10, h10, i10, j10,
xxx };
/* Enum size */
if (!TEST_size_t_eq(sizeof(enum smallchoices), sizeof(int))
|| !TEST_size_t_eq(sizeof(enum medchoices), sizeof(int))
|| !TEST_size_t_eq(sizeof(enum largechoices), sizeof(int)))
return 0;
return 1;
}
static int test_sanity_twos_complement(void)
{
/* Basic two's complement checks. */
if (!TEST_int_eq(~(-1), 0)
|| !TEST_long_eq(~(-1L), 0L))
return 0;
return 1;
}
static int test_sanity_sign(void)
{
/* Check that values with sign bit 1 and value bits 0 are valid */
if (!TEST_int_eq(-(INT_MIN + 1), INT_MAX)
|| !TEST_long_eq(-(LONG_MIN + 1), LONG_MAX))
return 0;
return 1;
}
static int test_sanity_unsigned_conversion(void)
{
/* Check that unsigned-to-signed conversions preserve bit patterns */
if (!TEST_int_eq((int)((unsigned int)INT_MAX + 1), INT_MIN)
|| !TEST_long_eq((long)((unsigned long)LONG_MAX + 1), LONG_MIN))
return 0;
return 1;
}
static int test_sanity_range(void)
{
/* This isn't possible to check using the framework functions */
if (SIZE_MAX < INT_MAX) {
TEST_error("int must not be wider than size_t");
return 0;
}
return 1;
}
static int test_sanity_memcmp(void)
{
return CRYPTO_memcmp("ab","cd",2);
}
int setup_tests(void)
{
ADD_TEST(test_sanity_null_zero);
ADD_TEST(test_sanity_enum_size);
ADD_TEST(test_sanity_twos_complement);
ADD_TEST(test_sanity_sign);
ADD_TEST(test_sanity_unsigned_conversion);
ADD_TEST(test_sanity_range);
ADD_TEST(test_sanity_memcmp);
return 1;
}
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