root/maint/gnulib/tests/unistr/test-u16-mbtouc.h

/* */

INCLUDED FROM

DEFINITIONS

1. test_function

   1 /* Test of u16_mbtouc() and u16_mbtouc_unsafe() functions.
   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 static void
  20 test_function (int (*my_u16_mbtouc) (ucs4_t *, const uint16_t *, size_t))
     /*  */
  21 {
  22   ucs4_t uc;
  23   int ret;
  24 
  25   /* Test NUL unit input.  */
  26   {
  27     static const uint16_t input[] = { 0 };
  28     uc = 0xBADFACE;
  29     ret = my_u16_mbtouc (&uc, input, 1);
  30     ASSERT (ret == 1);
  31     ASSERT (uc == 0);
  32   }
  33 
  34   /* Test ISO 646 unit input.  */
  35   {
  36     ucs4_t c;
  37     uint16_t buf[1];
  38 
  39     for (c = 0; c < 0x80; c++)
  40       {
  41         buf[0] = c;
  42         uc = 0xBADFACE;
  43         ret = my_u16_mbtouc (&uc, buf, 1);
  44         ASSERT (ret == 1);
  45         ASSERT (uc == c);
  46       }
  47   }
  48 
  49   /* Test BMP unit input.  */
  50   {
  51     static const uint16_t input[] = { 0x20AC };
  52     uc = 0xBADFACE;
  53     ret = my_u16_mbtouc (&uc, input, 1);
  54     ASSERT (ret == 1);
  55     ASSERT (uc == 0x20AC);
  56   }
  57 
  58   /* Test 2-units character input.  */
  59   {
  60     static const uint16_t input[] = { 0xD835, 0xDD1F };
  61     uc = 0xBADFACE;
  62     ret = my_u16_mbtouc (&uc, input, 2);
  63     ASSERT (ret == 2);
  64     ASSERT (uc == 0x1D51F);
  65   }
  66 
  67   /* Test incomplete/invalid 1-unit input.  */
  68   {
  69     static const uint16_t input[] = { 0xD835 };
  70     uc = 0xBADFACE;
  71     ret = my_u16_mbtouc (&uc, input, 1);
  72     ASSERT (ret == 1 || ret == 2);
  73     ASSERT (uc == 0xFFFD);
  74   }
  75   {
  76     static const uint16_t input[] = { 0xDD1F };
  77     uc = 0xBADFACE;
  78     ret = my_u16_mbtouc (&uc, input, 1);
  79     ASSERT (ret == 1);
  80     ASSERT (uc == 0xFFFD);
  81   }
  82 }

/* */