test/ctype_internal_test.c

   1 /*
   2  * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 "testutil.h"
  11 #include "internal/ctype.h"
  12 #include "internal/nelem.h"
  13 #include <ctype.h>
  14 #include <stdio.h>
  15
  16 /*
  17  * Even though the VMS C RTL claims to be C99 compatible, it's not entirely
  18  * so far (C RTL version 8.4). Same applies to OSF. For the sake of these
  19  * tests, we therefore define our own.
  20  */
  21 #if (defined(__VMS) && __CRTL_VER <= 80400000) || defined(__osf__)
  22 static int isblank(int c)
  23 {
  24     return c == ' ' || c == '\t';
  25 }
  26 #endif
  27
  28 static int test_ctype_chars(int n)
  29 {
  30     if (!TEST_int_eq(isascii((unsigned char)n) != 0, ossl_isascii(n) != 0))
  31         return 0;
  32
  33     if (!ossl_isascii(n))
  34         return 1;
  35
  36     return TEST_int_eq(isalpha(n) != 0, ossl_isalpha(n) != 0)
  37            && TEST_int_eq(isalnum(n) != 0, ossl_isalnum(n) != 0)
  38 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
  39            && TEST_int_eq(isblank(n) != 0, ossl_isblank(n) != 0)
  40 #endif
  41            && TEST_int_eq(iscntrl(n) != 0, ossl_iscntrl(n) != 0)
  42            && TEST_int_eq(isdigit(n) != 0, ossl_isdigit(n) != 0)
  43            && TEST_int_eq(isgraph(n) != 0, ossl_isgraph(n) != 0)
  44            && TEST_int_eq(islower(n) != 0, ossl_islower(n) != 0)
  45            && TEST_int_eq(isprint(n) != 0, ossl_isprint(n) != 0)
  46            && TEST_int_eq(ispunct(n) != 0, ossl_ispunct(n) != 0)
  47            && TEST_int_eq(isspace(n) != 0, ossl_isspace(n) != 0)
  48            && TEST_int_eq(isupper(n) != 0, ossl_isupper(n) != 0)
  49            && TEST_int_eq(isxdigit(n) != 0, ossl_isxdigit(n) != 0);
  50 }
  51
  52 static struct {
  53     int u;
  54     int l;
  55 } case_change[] = {
  56     { 'A', 'a' },
  57     { 'X', 'x' },
  58     { 'Z', 'z' },
  59     { '0', '0' },
  60     { '%', '%' },
  61     { '~', '~' },
  62     {   0,   0 },
  63     { EOF, EOF }
  64 };
  65
  66 static int test_ctype_toupper(int n)
  67 {
  68     return TEST_int_eq(ossl_toupper(case_change[n].l), case_change[n].u)
  69            && TEST_int_eq(ossl_toupper(case_change[n].u), case_change[n].u);
  70 }
  71
  72 static int test_ctype_tolower(int n)
  73 {
  74     return TEST_int_eq(ossl_tolower(case_change[n].u), case_change[n].l)
  75            && TEST_int_eq(ossl_tolower(case_change[n].l), case_change[n].l);
  76 }
  77
  78 static int test_ctype_eof(void)
  79 {
  80     return test_ctype_chars(EOF);
  81 }
  82
  83 int setup_tests(void)
  84 {
  85     ADD_ALL_TESTS(test_ctype_chars, 256);
  86     ADD_ALL_TESTS(test_ctype_toupper, OSSL_NELEM(case_change));
  87     ADD_ALL_TESTS(test_ctype_tolower, OSSL_NELEM(case_change));
  88     ADD_TEST(test_ctype_eof);
  89     return 1;
  90 }