tests/unistr/test-u16-mbtoucr.c

   1 /* Test of u16_mbtoucr() function.
   2    Copyright (C) 2010-2017 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 <http://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   ucs4_t uc;
  29   int ret;
  30
  31   /* Test NUL unit input.  */
  32   {
  33     static const uint16_t input[] = { 0 };
  34     uc = 0xBADFACE;
  35     ret = u16_mbtoucr (&uc, input, 1);
  36     ASSERT (ret == 1);
  37     ASSERT (uc == 0);
  38   }
  39
  40   /* Test ISO 646 unit input.  */
  41   {
  42     ucs4_t c;
  43     uint16_t buf[1];
  44
  45     for (c = 0; c < 0x80; c++)
  46       {
  47         buf[0] = c;
  48         uc = 0xBADFACE;
  49         ret = u16_mbtoucr (&uc, buf, 1);
  50         ASSERT (ret == 1);
  51         ASSERT (uc == c);
  52       }
  53   }
  54
  55   /* Test BMP unit input.  */
  56   {
  57     static const uint16_t input[] = { 0x20AC };
  58     uc = 0xBADFACE;
  59     ret = u16_mbtoucr (&uc, input, 1);
  60     ASSERT (ret == 1);
  61     ASSERT (uc == 0x20AC);
  62   }
  63
  64   /* Test 2-units character input.  */
  65   {
  66     static const uint16_t input[] = { 0xD835, 0xDD1F };
  67     uc = 0xBADFACE;
  68     ret = u16_mbtoucr (&uc, input, 2);
  69     ASSERT (ret == 2);
  70     ASSERT (uc == 0x1D51F);
  71   }
  72
  73   /* Test incomplete/invalid 1-unit input.  */
  74   {
  75     static const uint16_t input[] = { 0xD835 };
  76     uc = 0xBADFACE;
  77     ret = u16_mbtoucr (&uc, input, 1);
  78     ASSERT (ret == -2);
  79     ASSERT (uc == 0xFFFD);
  80   }
  81   {
  82     static const uint16_t input[] = { 0xDD1F };
  83     uc = 0xBADFACE;
  84     ret = u16_mbtoucr (&uc, input, 1);
  85     ASSERT (ret == -1);
  86     ASSERT (uc == 0xFFFD);
  87   }
  88
  89   return 0;
  90 }