kc3-lang/gnulib/tests/unicase/test-ulc-casecmp.c

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  Date : 2023-01-01T01:14:21
  

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• tests/unicase/test-ulc-casecmp.c

• /* Test of case and normalization insensitive comparison of strings.
     Copyright (C) 2009-2023 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
  
  #include <config.h>
  
  #include "unicase.h"
  
  #include <locale.h>
  #include "macros.h"
  
  #define UNIT char
  #include "test-casecmp.h"
  #undef UNIT
  
  static void
  test_iso_8859_1 (int (*my_casecmp) (const char *, size_t, const char *, size_t, const char *, uninorm_t, int *))
  {
    {
      static const char input1[] = { 'H', 0xF6, 'h', 'l', 'e' };
      static const char input2[] = { 'H', 0xD6, 'h', 'L', 'e' };
      static const char input3[] = { 'H', 0xF6, 'h', 'l', 'e', 'n' };
      static const char input4[] = { 'H', 0xD6, 'h', 'L', 'e', 'n' };
      static const char input5[] = { 'H', 'u', 'r', 'z' };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input1, SIZEOF (input1), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input3, SIZEOF (input3), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input4, SIZEOF (input4), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
    }
  
    /* Uppercasing can increase the number of Unicode characters.  */
    { /* "heiß" */
      static const char input1[] = { 0x68, 0x65, 0x69, 0xDF };
      static const char input2[] = { 0x68, 0x65, 0x69, 0x73, 0x73 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  }
  
  static void
  test_utf_8 (int (*my_casecmp) (const char *, size_t, const char *, size_t, const char *, uninorm_t, int *))
  {
    /* Normalization effects.  */
    {
      static const char input1[] = { 'H', 0xC3, 0xB6, 'h', 'l', 'e' };
      static const char input2[] = { 'H', 'O', 0xCC, 0x88, 'h', 'L', 'e' };
      static const char input3[] = { 'H', 0xC3, 0xB6, 'h', 'l', 'e', 'n' };
      static const char input4[] = { 'H', 'O', 0xCC, 0x88, 'h', 'L', 'e', 'n' };
      static const char input5[] = { 'H', 'u', 'r', 'z' };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input1, SIZEOF (input1), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input3, SIZEOF (input3), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input4, SIZEOF (input4), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == -1);
    }
    { /* LATIN CAPITAL LETTER A WITH DIAERESIS */
      static const char input1[] = { 0xC3, 0x84 };
      static const char input2[] = { 0x41, 0xCC, 0x88 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */
      static const char input1[] = { 0xC7, 0x9E };
      static const char input2[] = { 0x41, 0xCC, 0x88, 0xCC, 0x84 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* GREEK DIALYTIKA AND PERISPOMENI */
      static const char input1[] = { 0xE1, 0xBF, 0x81 };
      static const char input2[] = { 0xC2, 0xA8, 0xCD, 0x82 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* HANGUL SYLLABLE GEUL */
      static const char input1[] = { 0xEA, 0xB8, 0x80 };
      static const char input2[] = { 0xEA, 0xB7, 0xB8, 0xE1, 0x86, 0xAF };
      static const char input3[] = { 0xE1, 0x84, 0x80, 0xE1, 0x85, 0xB3, 0xE1, 0x86, 0xAF };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* HANGUL SYLLABLE GEU */
      static const char input1[] = { 0xEA, 0xB7, 0xB8 };
      static const char input2[] = { 0xE1, 0x84, 0x80, 0xE1, 0x85, 0xB3 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  
    /* Simple string.  */
    { /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
      static const char input1[] =
        { 'G', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'G', 'o', 't', 't', '.', ' ',
          0xD0, 0x97, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
          0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
          '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
          'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
          ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
          0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
          0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
        };
      static const char input2[] =
        { 'g', 'r', 0xC3, 0xBC, 0x73, 0x73, ' ', 'g', 'o', 't', 't', '.', ' ',
          0xD0, 0xB7, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
          0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
          '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
          'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
          ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
          0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
          0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
        };
      static const char input3[] =
        { 'G', 'R', 0xC3, 0x9C, 0x53, 0x53, ' ', 'G', 'O', 'T', 'T', '.', ' ',
          0xD0, 0x97, 0xD0, 0x94, 0xD0, 0xA0, 0xD0, 0x90, 0xD0, 0x92, 0xD0, 0xA1,
          0xD0, 0xA2, 0xD0, 0x92, 0xD0, 0xA3, 0xD0, 0x99, 0xD0, 0xA2, 0xD0, 0x95,
          '!', ' ', 'X', '=', '(', '-', 'B', 0xC2, 0xB1, 'S', 'Q', 'R', 'T', '(',
          'B', 0xC2, 0xB2, '-', '4', 'A', 'C', ')', ')', '/', '(', '2', 'A', ')',
          ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
          0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
          0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
        };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  
    /* Case mapping can increase the number of Unicode characters.  */
    { /* LATIN SMALL LETTER N PRECEDED BY APOSTROPHE */
      static const char input1[] = { 0xC5, 0x89 };
      static const char input2[] = { 0xCA, 0xBC, 0x6E };
      static const char input3[] = { 0xCA, 0xBC, 0x4E };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */
      static const char input1[] = { 0xCE, 0x90 };
      static const char input2[] = { 0xCE, 0xB9, 0xCC, 0x88, 0xCC, 0x81 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  
    /* Turkish letters i İ ı I */
    { /* LATIN CAPITAL LETTER I */
      static const char input[]         = { 0x49 };
      static const char casefolded[]    = { 0x69 };
      static const char casefolded_tr[] = { 0xC4, 0xB1 };
      int cmp;
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* LATIN SMALL LETTER I */
      static const char input[]         = { 0x69 };
      static const char casefolded[]    = { 0x49 };
      static const char casefolded_tr[] = { 0xC4, 0xB0 };
      int cmp;
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
      static const char input[]         = { 0xC4, 0xB0 };
      static const char casefolded[]    = { 0x69, 0xCC, 0x87 };
      static const char casefolded_tr[] = { 0x69 };
      int cmp;
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* LATIN SMALL LETTER DOTLESS I */
      static const char input[]      = { 0xC4, 0xB1 };
      static const char casefolded[] = { 0x49 };
      int cmp;
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 1);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
    { /* "topkapı" */
      static const char input[] =
        { 0x54, 0x4F, 0x50, 0x4B, 0x41, 0x50, 0x49 };
      static const char casefolded[] =
        { 0x74, 0x6F, 0x70, 0x6B, 0x61, 0x70, 0xC4, 0xB1 };
      int cmp;
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == -1);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  
    /* Uppercasing can increase the number of Unicode characters.  */
    { /* "heiß" */
      static const char input1[] = { 0x68, 0x65, 0x69, 0xC3, 0x9F };
      static const char input2[] = { 0x68, 0x65, 0x69, 0x73, 0x73 };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  
    /* Case mappings for some characters can depend on the surrounding characters.  */
    { /* "περισσότερες πληροφορίες" */
      static const char input1[] =
        {
          0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83,
          0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x82,
          ' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF,
          0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x82
        };
      static const char input2[] =
        {
          0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83,
          0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x83,
          ' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF,
          0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x83
        };
      static const char input3[] =
        {
          0xCE, 0xA0, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x99, 0xCE, 0xA3, 0xCE, 0xA3,
          0xCE, 0x8C, 0xCE, 0xA4, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x95, 0xCE, 0xA3,
          ' ', 0xCE, 0xA0, 0xCE, 0x9B, 0xCE, 0x97, 0xCE, 0xA1, 0xCE, 0x9F,
          0xCE, 0xA6, 0xCE, 0x9F, 0xCE, 0xA1, 0xCE, 0x8A, 0xCE, 0x95, 0xCE, 0xA3
        };
      int cmp;
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  
    /* Case mapping can require subsequent normalization.  */
    { /* LATIN SMALL LETTER J WITH CARON, COMBINING DOT BELOW */
      static const char input[]                 = { 0xC7, 0xB0, 0xCC, 0xA3 };
      static const char casefolded[]            = { 0x6A, 0xCC, 0x8C, 0xCC, 0xA3 };
      static const char casefolded_decomposed[] = { 0x6A, 0xCC, 0xA3, 0xCC, 0x8C };
      int cmp;
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, NULL, &cmp) == 0);
      ASSERT (cmp != 0);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
  
      ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, UNINORM_NFD, &cmp) == 0);
      ASSERT (cmp == 0);
    }
  }
  
  int
  main (int argc, char *argv[])
  {
    /* configure should already have checked that the locale is supported.  */
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    test_ascii (ulc_casecmp, UNINORM_NFD);
  
    if (argc > 1)
      switch (argv[1][0])
        {
        case '1':
          /* Locale encoding is ISO-8859-1 or ISO-8859-15.  */
          test_iso_8859_1 (ulc_casecmp);
          return 0;
  
        case '2':
          /* Locale encoding is UTF-8.  */
          test_utf_8 (ulc_casecmp);
          return 0;
        }
  
    return 1;
  }
  

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