1/* 2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#include <string.h> 11#include "testutil.h" 12#include "internal/numbers.h" 13 14static int test_sanity_null_zero(void) 15{ 16 char *p; 17 char bytes[sizeof(p)]; 18 19 /* Is NULL equivalent to all-bytes-zero? */ 20 p = NULL; 21 memset(bytes, 0, sizeof(bytes)); 22 return TEST_mem_eq(&p, sizeof(p), bytes, sizeof(bytes)); 23} 24 25static int test_sanity_enum_size(void) 26{ 27 enum smallchoices { sa, sb, sc }; 28 enum medchoices { ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml }; 29 enum largechoices { 30 a01, b01, c01, d01, e01, f01, g01, h01, i01, j01, 31 a02, b02, c02, d02, e02, f02, g02, h02, i02, j02, 32 a03, b03, c03, d03, e03, f03, g03, h03, i03, j03, 33 a04, b04, c04, d04, e04, f04, g04, h04, i04, j04, 34 a05, b05, c05, d05, e05, f05, g05, h05, i05, j05, 35 a06, b06, c06, d06, e06, f06, g06, h06, i06, j06, 36 a07, b07, c07, d07, e07, f07, g07, h07, i07, j07, 37 a08, b08, c08, d08, e08, f08, g08, h08, i08, j08, 38 a09, b09, c09, d09, e09, f09, g09, h09, i09, j09, 39 a10, b10, c10, d10, e10, f10, g10, h10, i10, j10, 40 xxx }; 41 42 /* Enum size */ 43 if (!TEST_size_t_eq(sizeof(enum smallchoices), sizeof(int)) 44 || !TEST_size_t_eq(sizeof(enum medchoices), sizeof(int)) 45 || !TEST_size_t_eq(sizeof(enum largechoices), sizeof(int))) 46 return 0; 47 return 1; 48} 49 50static int test_sanity_twos_complement(void) 51{ 52 /* Basic two's complement checks. */ 53 if (!TEST_int_eq(~(-1), 0) 54 || !TEST_long_eq(~(-1L), 0L)) 55 return 0; 56 return 1; 57} 58 59static int test_sanity_sign(void) 60{ 61 /* Check that values with sign bit 1 and value bits 0 are valid */ 62 if (!TEST_int_eq(-(INT_MIN + 1), INT_MAX) 63 || !TEST_long_eq(-(LONG_MIN + 1), LONG_MAX)) 64 return 0; 65 return 1; 66} 67 68static int test_sanity_unsigned_conversion(void) 69{ 70 /* Check that unsigned-to-signed conversions preserve bit patterns */ 71 if (!TEST_int_eq((int)((unsigned int)INT_MAX + 1), INT_MIN) 72 || !TEST_long_eq((long)((unsigned long)LONG_MAX + 1), LONG_MIN)) 73 return 0; 74 return 1; 75} 76 77static int test_sanity_range(void) 78{ 79 /* This isn't possible to check using the framework functions */ 80 if (SIZE_MAX < INT_MAX) { 81 TEST_error("int must not be wider than size_t"); 82 return 0; 83 } 84 return 1; 85} 86 87static int test_sanity_memcmp(void) 88{ 89 return CRYPTO_memcmp("ab","cd",2); 90} 91 92int setup_tests(void) 93{ 94 ADD_TEST(test_sanity_null_zero); 95 ADD_TEST(test_sanity_enum_size); 96 ADD_TEST(test_sanity_twos_complement); 97 ADD_TEST(test_sanity_sign); 98 ADD_TEST(test_sanity_unsigned_conversion); 99 ADD_TEST(test_sanity_range); 100 ADD_TEST(test_sanity_memcmp); 101 return 1; 102} 103 104