Example #1
0
static void
test_nonascii (int (*my_casecmp) (const uint32_t *, size_t, const uint32_t *, size_t, const char *, uninorm_t, int *))
{
  /* Normalization effects.  */
  {
    static const uint32_t input1[] = { 'H', 0x00F6, 'h', 'l', 'e' };
    static const uint32_t input2[] = { 'H', 'O', 0x0308, 'h', 'L', 'e' };
    static const uint32_t input3[] = { 'H', 0x00F6, 'h', 'l', 'e', 'n' };
    static const uint32_t input4[] = { 'H', 'O', 0x0308, 'h', 'L', 'e', 'n' };
    static const uint32_t 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 uint32_t input1[] = { 0x00C4 };
    static const uint32_t input2[] = { 0x0041, 0x0308 };
    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 uint32_t input1[] = { 0x01DE };
    static const uint32_t input2[] = { 0x0041, 0x0308, 0x0304 };
    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 uint32_t input1[] = { 0x1FC1 };
    static const uint32_t input2[] = { 0x00A8, 0x0342 };
    int cmp;

    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
    ASSERT (cmp == 0);
  }
  { /* HANGUL SYLLABLE GEUL */
    static const uint32_t input1[] = { 0xAE00 };
    static const uint32_t input2[] = { 0xADF8, 0x11AF };
    static const uint32_t input3[] = { 0x1100, 0x1173, 0x11AF };
    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 uint32_t input1[] = { 0xADF8 };
    static const uint32_t input2[] = { 0x1100, 0x1173 };
    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 uint32_t input1[] =
      { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
        0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
        0x0439, 0x0442, 0x0435, '!', ' ',
        'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
        '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
      };
    static const uint32_t input2[] =
      { 'g', 'r', 0x00FC, 0x0073, 0x0073, ' ', 'g', 'o', 't', 't', '.', ' ',
        0x0437, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
        0x0439, 0x0442, 0x0435, '!', ' ',
        'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
        '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
      };
    static const uint32_t input3[] =
      { 'G', 'R', 0x00DC, 0x0053, 0x0053, ' ', 'G', 'O', 'T', 'T', '.', ' ',
        0x0417, 0x0414, 0x0420, 0x0410, 0x0412, 0x0421, 0x0422, 0x0412, 0x0423,
        0x0419, 0x0422, 0x0415, '!', ' ',
        'X', '=', '(', '-', 'B', 0x00B1, 'S', 'Q', 'R', 'T', '(', 'B', 0x00B2,
        '-', '4', 'A', 'C', ')', ')', '/', '(', '2', 'A', ')', ' ', ' ',
        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\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 uint32_t input1[] = { 0x0149 };
    static const uint32_t input2[] = { 0x02BC, 0x006E };
    static const uint32_t input3[] = { 0x02BC, 0x004E };
    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 uint32_t input1[] = { 0x0390 };
    static const uint32_t input2[] = { 0x03B9, 0x0308, 0x0301 };
    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 uint32_t input[]         = { 0x0049 };
    static const uint32_t casefolded[]    = { 0x0069 };
    static const uint32_t casefolded_tr[] = { 0x0131 };
    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 uint32_t input[]         = { 0x0069 };
    static const uint32_t casefolded[]    = { 0x0049 };
    static const uint32_t casefolded_tr[] = { 0x0130 };
    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 uint32_t input[]         = { 0x0130 };
    static const uint32_t casefolded[]    = { 0x0069, 0x0307 };
    static const uint32_t casefolded_tr[] = { 0x0069 };
    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 uint32_t input[]      = { 0x0131 };
    static const uint32_t casefolded[] = { 0x0049 };
    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 uint32_t input[] =
      { 0x0054, 0x004F, 0x0050, 0x004B, 0x0041, 0x0050, 0x0049 };
    static const uint32_t casefolded[] =
      { 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
    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 uint32_t input1[] = { 0x0068, 0x0065, 0x0069, 0x00DF };
    static const uint32_t input2[] = { 0x0068, 0x0065, 0x0069, 0x0073, 0x0073 };
    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 uint32_t input1[] =
      {
        0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
        0x03B5, 0x03C1, 0x03B5, 0x03C2, 0x0020, 0x03C0, 0x03BB, 0x03B7,
        0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C2
      };
    static const uint32_t input2[] =
      {
        0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
        0x03B5, 0x03C1, 0x03B5, 0x03C3, 0x0020, 0x03C0, 0x03BB, 0x03B7,
        0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C3
      };
    static const uint32_t input3[] =
      {
        0x03A0, 0x0395, 0x03A1, 0x0399, 0x03A3, 0x03A3, 0x038C, 0x03A4,
        0x0395, 0x03A1, 0x0395, 0x03A3, 0x0020, 0x03A0, 0x039B, 0x0397,
        0x03A1, 0x039F, 0x03A6, 0x039F, 0x03A1, 0x038A, 0x0395, 0x03A3
      };
    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 uint32_t input[]                 = { 0x01F0, 0x0323 };
    static const uint32_t casefolded[]            = { 0x006A, 0x030C, 0x0323 };
    static const uint32_t casefolded_decomposed[] = { 0x006A, 0x0323, 0x030C };
    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);
  }
}
Example #2
0
static void
test_nonascii (int (*my_casecmp) (const uint8_t *, size_t, const uint8_t *, size_t, const char *, uninorm_t, int *))
{
    /* Normalization effects.  */
    {
        static const uint8_t input1[] = { 'H', 0xC3, 0xB6, 'h', 'l', 'e' };
        static const uint8_t input2[] = { 'H', 'O', 0xCC, 0x88, 'h', 'L', 'e' };
        static const uint8_t input3[] = { 'H', 0xC3, 0xB6, 'h', 'l', 'e', 'n' };
        static const uint8_t input4[] = { 'H', 'O', 0xCC, 0x88, 'h', 'L', 'e', 'n' };
        static const uint8_t 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 uint8_t input1[] = { 0xC3, 0x84 };
        static const uint8_t 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 uint8_t input1[] = { 0xC7, 0x9E };
        static const uint8_t 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 uint8_t input1[] = { 0xE1, 0xBF, 0x81 };
        static const uint8_t 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 uint8_t input1[] = { 0xEA, 0xB8, 0x80 };
        static const uint8_t input2[] = { 0xEA, 0xB7, 0xB8, 0xE1, 0x86, 0xAF };
        static const uint8_t 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 uint8_t input1[] = { 0xEA, 0xB7, 0xB8 };
        static const uint8_t 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 uint8_t 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 uint8_t 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 uint8_t 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 uint8_t input1[] = { 0xC5, 0x89 };
        static const uint8_t input2[] = { 0xCA, 0xBC, 0x6E };
        static const uint8_t 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 uint8_t input1[] = { 0xCE, 0x90 };
        static const uint8_t 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 uint8_t input[]         = { 0x49 };
        static const uint8_t casefolded[]    = { 0x69 };
        static const uint8_t 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 uint8_t input[]         = { 0x69 };
        static const uint8_t casefolded[]    = { 0x49 };
        static const uint8_t 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 uint8_t input[]         = { 0xC4, 0xB0 };
        static const uint8_t casefolded[]    = { 0x69, 0xCC, 0x87 };
        static const uint8_t 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 uint8_t input[]      = { 0xC4, 0xB1 };
        static const uint8_t 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 uint8_t input[] =
        { 0x54, 0x4F, 0x50, 0x4B, 0x41, 0x50, 0x49 };
        static const uint8_t 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 uint8_t input1[] = { 0x68, 0x65, 0x69, 0xC3, 0x9F };
        static const uint8_t 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 uint8_t 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 uint8_t 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 uint8_t 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 uint8_t input[]                 = { 0xC7, 0xB0, 0xCC, 0xA3 };
        static const uint8_t casefolded[]            = { 0x6A, 0xCC, 0x8C, 0xCC, 0xA3 };
        static const uint8_t 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);
    }
}