root/maint/gnulib/tests/unistr/test-u8-mblen.c

/* */

DEFINITIONS

1. main

   1 /* Test of u8_mblen() function.
   2    Copyright (C) 2010-2021 Free Software Foundation, Inc.
   3 
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8 
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13 
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16 
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  18 
  19 #include <config.h>
  20 
  21 #include "unistr.h"
  22 
  23 #include "macros.h"
  24 
  25 int
  26 main ()
     /*  */
  27 {
  28   int ret;
  29 
  30   /* Test zero-length input.  */
  31   {
  32     static const uint8_t input[] = "";
  33     ret = u8_mblen (input, 0);
  34     ASSERT (ret == -1);
  35   }
  36 
  37   /* Test NUL unit input.  */
  38   {
  39     static const uint8_t input[] = "";
  40     ret = u8_mblen (input, 1);
  41     ASSERT (ret == 0);
  42   }
  43 
  44   /* Test ISO 646 unit input.  */
  45   {
  46     ucs4_t c;
  47     uint8_t buf[1];
  48 
  49     for (c = 1; c < 0x80; c++)
  50       {
  51         buf[0] = c;
  52         ret = u8_mblen (buf, 1);
  53         ASSERT (ret == 1);
  54       }
  55   }
  56 
  57   /* Test 2-byte character input.  */
  58   {
  59     static const uint8_t input[] = { 0xC3, 0x97 };
  60     ret = u8_mblen (input, 2);
  61     ASSERT (ret == 2);
  62   }
  63 
  64   /* Test 3-byte character input.  */
  65   {
  66     static const uint8_t input[] = { 0xE2, 0x82, 0xAC };
  67     ret = u8_mblen (input, 3);
  68     ASSERT (ret == 3);
  69   }
  70 
  71   /* Test 4-byte character input.  */
  72   {
  73     static const uint8_t input[] = { 0xF4, 0x8F, 0xBF, 0xBD };
  74     ret = u8_mblen (input, 4);
  75     ASSERT (ret == 4);
  76   }
  77 
  78   /* Test incomplete/invalid 1-byte input.  */
  79   {
  80     static const uint8_t input[] = { 0xC1 };
  81     ret = u8_mblen (input, 1);
  82     ASSERT (ret == -1);
  83   }
  84   {
  85     static const uint8_t input[] = { 0xC3 };
  86     ret = u8_mblen (input, 1);
  87     ASSERT (ret == -1);
  88   }
  89   {
  90     static const uint8_t input[] = { 0xE2 };
  91     ret = u8_mblen (input, 1);
  92     ASSERT (ret == -1);
  93   }
  94   {
  95     static const uint8_t input[] = { 0xF4 };
  96     ret = u8_mblen (input, 1);
  97     ASSERT (ret == -1);
  98   }
  99   {
 100     static const uint8_t input[] = { 0xFE };
 101     ret = u8_mblen (input, 1);
 102     ASSERT (ret == -1);
 103   }
 104 
 105   /* Test incomplete/invalid 2-byte input.  */
 106   {
 107     static const uint8_t input[] = { 0xE0, 0x9F };
 108     ret = u8_mblen (input, 2);
 109     ASSERT (ret == -1);
 110   }
 111   {
 112     static const uint8_t input[] = { 0xE2, 0x82 };
 113     ret = u8_mblen (input, 2);
 114     ASSERT (ret == -1);
 115   }
 116   {
 117     static const uint8_t input[] = { 0xE2, 0xD0 };
 118     ret = u8_mblen (input, 2);
 119     ASSERT (ret == -1);
 120   }
 121   {
 122     static const uint8_t input[] = { 0xF0, 0x8F };
 123     ret = u8_mblen (input, 2);
 124     ASSERT (ret == -1);
 125   }
 126   {
 127     static const uint8_t input[] = { 0xF3, 0x8F };
 128     ret = u8_mblen (input, 2);
 129     ASSERT (ret == -1);
 130   }
 131   {
 132     static const uint8_t input[] = { 0xF3, 0xD0 };
 133     ret = u8_mblen (input, 2);
 134     ASSERT (ret == -1);
 135   }
 136 
 137   /* Test incomplete/invalid 3-byte input.  */
 138   {
 139     static const uint8_t input[] = { 0xF3, 0x8F, 0xBF };
 140     ret = u8_mblen (input, 3);
 141     ASSERT (ret == -1);
 142   }
 143   {
 144     static const uint8_t input[] = { 0xF3, 0xD0, 0xBF };
 145     ret = u8_mblen (input, 3);
 146     ASSERT (ret == -1);
 147   }
 148   {
 149     static const uint8_t input[] = { 0xF3, 0x8F, 0xD0 };
 150     ret = u8_mblen (input, 3);
 151     ASSERT (ret == -1);
 152   }
 153 
 154   return 0;
 155 }

/* */