tests/unistr/test-u16-strcmp.h

   1 /* Test of u16_strcmp() and u16_strcoll() functions.
   2    Copyright (C) 2010-2020 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 #define UNIT uint16_t
  20 #include "test-strcmp.h"
  21
  22 static void
  23 test_u16_strcmp (void)
  24 {
  25   test_strcmp ();
  26
  27   /* Test comparison between ASCII and non-ASCII characters.  */
  28   {
  29     static const UNIT input1[] = { 'f', 'o', 'o', 0 };
  30     static const UNIT input2[] = { 0x2022, 0 };
  31     ASSERT (U_STRCMP (input1, input2) < 0);
  32     ASSERT (U_STRCMP (input2, input1) > 0);
  33   }
  34
  35   /* Test comparison with non-BMP characters, split into surrogates.  */
  36   {
  37     static const UNIT input1[] = { 0xD835, 0xDD1E, 0 };
  38     static const UNIT input2[] = { 0xFEFF, 0 };
  39     ASSERT (U_STRCMP (input1, input2) > 0);
  40     ASSERT (U_STRCMP (input2, input1) < 0);
  41   }
  42 }