root/maint/gnulib/tests/unistr/test-u16-mblen.c

/* */

DEFINITIONS

1. main

   1 /* Test of u16_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 uint16_t input[] = { 0 };
  33     ret = u16_mblen (input, 0);
  34     ASSERT (ret == -1);
  35   }
  36 
  37   /* Test NUL unit input.  */
  38   {
  39     static const uint16_t input[] = { 0 };
  40     ret = u16_mblen (input, 1);
  41     ASSERT (ret == 0);
  42   }
  43 
  44   /* Test ISO 646 unit input.  */
  45   {
  46     ucs4_t c;
  47     uint16_t buf[1];
  48 
  49     for (c = 1; c < 0x80; c++)
  50       {
  51         buf[0] = c;
  52         ret = u16_mblen (buf, 1);
  53         ASSERT (ret == 1);
  54       }
  55   }
  56 
  57   /* Test BMP unit input.  */
  58   {
  59     static const uint16_t input[] = { 0x20AC };
  60     ret = u16_mblen (input, 1);
  61     ASSERT (ret == 1);
  62   }
  63 
  64   /* Test 2-units character input.  */
  65   {
  66     static const uint16_t input[] = { 0xD835, 0xDD1F };
  67     ret = u16_mblen (input, 2);
  68     ASSERT (ret == 2);
  69   }
  70 
  71   /* Test incomplete/invalid 1-unit input.  */
  72   {
  73     static const uint16_t input[] = { 0xD835 };
  74     ret = u16_mblen (input, 1);
  75     ASSERT (ret == -1);
  76   }
  77   {
  78     static const uint16_t input[] = { 0xDD1F };
  79     ret = u16_mblen (input, 1);
  80     ASSERT (ret == -1);
  81   }
  82 
  83   return 0;
  84 }

/* */