kc3-lang/gnulib/tests/uninorm/test-u16-nfc.c

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

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• tests/uninorm/test-u16-nfc.c

• /* Test of canonical normalization of UTF-16 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>
  
  #if GNULIB_TEST_UNINORM_U16_NORMALIZE
  
  #include "uninorm.h"
  
  #include <signal.h>
  #include <stdlib.h>
  #include <unistd.h>
  
  #include "unistr.h"
  #include "macros.h"
  
  static int
  check (const uint16_t *input, size_t input_length,
         const uint16_t *expected, size_t expected_length)
  {
    size_t length;
    uint16_t *result;
  
    /* Test return conventions with resultbuf == NULL.  */
    result = u16_normalize (UNINORM_NFC, input, input_length, NULL, &length);
    if (!(result != NULL))
      return 1;
    if (!(length == expected_length))
      return 2;
    if (!(u16_cmp (result, expected, expected_length) == 0))
      return 3;
    free (result);
  
    /* Test return conventions with resultbuf too small.  */
    if (expected_length > 0)
      {
        uint16_t *preallocated;
  
        length = expected_length - 1;
        preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
        result = u16_normalize (UNINORM_NFC, input, input_length, preallocated, &length);
        if (!(result != NULL))
          return 4;
        if (!(result != preallocated))
          return 5;
        if (!(length == expected_length))
          return 6;
        if (!(u16_cmp (result, expected, expected_length) == 0))
          return 7;
        free (result);
        free (preallocated);
      }
  
    /* Test return conventions with resultbuf large enough.  */
    {
      uint16_t *preallocated;
  
      length = expected_length;
      preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
      result = u16_normalize (UNINORM_NFC, input, input_length, preallocated, &length);
      if (!(result != NULL))
        return 8;
      if (!(preallocated == NULL || result == preallocated))
        return 9;
      if (!(length == expected_length))
        return 10;
      if (!(u16_cmp (result, expected, expected_length) == 0))
        return 11;
      free (preallocated);
    }
  
    return 0;
  }
  
  void
  test_u16_nfc (void)
  {
    { /* Empty string.  */
      ASSERT (check (NULL, 0, NULL, 0) == 0);
    }
    { /* SPACE */
      static const uint16_t input[]    = { 0x0020 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* LATIN CAPITAL LETTER A WITH DIAERESIS */
      static const uint16_t input[]      = { 0x00C4 };
      static const uint16_t decomposed[] = { 0x0041, 0x0308 };
      ASSERT (check (input, SIZEOF (input),           input, SIZEOF (input)) == 0);
      ASSERT (check (decomposed, SIZEOF (decomposed), input, SIZEOF (input)) == 0);
    }
  
    { /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */
      static const uint16_t input[]      = { 0x01DE };
      static const uint16_t decomposed[] = { 0x0041, 0x0308, 0x0304 };
      ASSERT (check (input, SIZEOF (input),           input, SIZEOF (input)) == 0);
      ASSERT (check (decomposed, SIZEOF (decomposed), input, SIZEOF (input)) == 0);
    }
  
    { /* ANGSTROM SIGN */
      static const uint16_t input[]      = { 0x212B };
      static const uint16_t decomposed[] = { 0x0041, 0x030A };
      static const uint16_t expected[]   = { 0x00C5 };
      ASSERT (check (input, SIZEOF (input),           expected, SIZEOF (expected)) == 0);
      ASSERT (check (decomposed, SIZEOF (decomposed), expected, SIZEOF (expected)) == 0);
      ASSERT (check (expected, SIZEOF (expected),     expected, SIZEOF (expected)) == 0);
    }
  
    { /* GREEK DIALYTIKA AND PERISPOMENI */
      static const uint16_t input[]      = { 0x1FC1 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* SCRIPT SMALL L */
      static const uint16_t input[]      = { 0x2113 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* NO-BREAK SPACE */
      static const uint16_t input[]      = { 0x00A0 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* ARABIC LETTER VEH INITIAL FORM */
      static const uint16_t input[]      = { 0xFB6C };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* ARABIC LETTER VEH MEDIAL FORM */
      static const uint16_t input[]      = { 0xFB6D };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* ARABIC LETTER VEH FINAL FORM */
      static const uint16_t input[]      = { 0xFB6B };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* ARABIC LETTER VEH ISOLATED FORM */
      static const uint16_t input[]      = { 0xFB6A };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* CIRCLED NUMBER FIFTEEN */
      static const uint16_t input[]      = { 0x246E };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* TRADE MARK SIGN */
      static const uint16_t input[]      = { 0x2122 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* LATIN SUBSCRIPT SMALL LETTER I */
      static const uint16_t input[]      = { 0x1D62 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* PRESENTATION FORM FOR VERTICAL LEFT PARENTHESIS */
      static const uint16_t input[]      = { 0xFE35 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* FULLWIDTH LATIN CAPITAL LETTER A */
      static const uint16_t input[]      = { 0xFF21 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* HALFWIDTH IDEOGRAPHIC COMMA */
      static const uint16_t input[]      = { 0xFF64 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* SMALL IDEOGRAPHIC COMMA */
      static const uint16_t input[]      = { 0xFE51 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* SQUARE MHZ */
      static const uint16_t input[]      = { 0x3392 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* VULGAR FRACTION THREE EIGHTHS */
      static const uint16_t input[]      = { 0x215C };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* MICRO SIGN */
      static const uint16_t input[]      = { 0x00B5 };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* ARABIC LIGATURE SALLALLAHOU ALAYHE WASALLAM */
      static const uint16_t input[]      = { 0xFDFA };
      ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);
    }
  
    { /* HANGUL SYLLABLE GEUL */
      static const uint16_t input[]      = { 0xAE00 };
      static const uint16_t decomposed[] = { 0x1100, 0x1173, 0x11AF };
      ASSERT (check (input, SIZEOF (input),           input, SIZEOF (input)) == 0);
      ASSERT (check (decomposed, SIZEOF (decomposed), input, SIZEOF (input)) == 0);
    }
  
    { /* HANGUL SYLLABLE GEU */
      static const uint16_t input[]      = { 0xADF8 };
      static const uint16_t decomposed[] = { 0x1100, 0x1173 };
      ASSERT (check (input, SIZEOF (input),           input, SIZEOF (input)) == 0);
      ASSERT (check (decomposed, SIZEOF (decomposed), input, SIZEOF (input)) == 0);
    }
  
    { /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
      static const uint16_t input[] =
        { '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 uint16_t decomposed[] =
        { 'G', 'r', 0x0075, 0x0308, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
          0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
          0x0438, 0x0306, 0x0442, 0x0435, '!', ' ',
          'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
          '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
          0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',',
          0x1112, 0x1161, 0x11AB, 0x1100, 0x1173, 0x11AF, '\n'
        };
      ASSERT (check (input, SIZEOF (input),           input, SIZEOF (input)) == 0);
      ASSERT (check (decomposed, SIZEOF (decomposed), input, SIZEOF (input)) == 0);
    }
  
  #if HAVE_DECL_ALARM
    /* Declare failure if test takes too long, by using default abort
       caused by SIGALRM.  */
    signal (SIGALRM, SIG_DFL);
    alarm (50);
  #endif
  
    /* Check that the sorting is not O(n²) but O(n log n).  */
    {
      int pass;
      for (pass = 0; pass < 3; pass++)
        {
          size_t repeat = 1;
          size_t m = 100000;
          uint16_t *input = (uint16_t *) malloc (2 * m * sizeof (uint16_t));
          if (input != NULL)
            {
              uint16_t *expected = input + m;
              size_t m1 = m / 2;
              size_t m2 = (m - 1) / 2;
              /* NB: m1 + m2 == m - 1.  */
              uint16_t *p;
              size_t i;
  
              input[0] = 0x0041;
              p = input + 1;
              switch (pass)
                {
                case 0:
                  for (i = 0; i < m1; i++)
                    *p++ = 0x0319;
                  for (i = 0; i < m2; i++)
                    *p++ = 0x0300;
                  break;
  
                case 1:
                  for (i = 0; i < m2; i++)
                    *p++ = 0x0300;
                  for (i = 0; i < m1; i++)
                    *p++ = 0x0319;
                  break;
  
                case 2:
                  for (i = 0; i < m2; i++)
                    {
                      *p++ = 0x0319;
                      *p++ = 0x0300;
                    }
                  for (; i < m1; i++)
                    *p++ = 0x0319;
                  break;
  
                default:
                  abort ();
                }
  
              expected[0] = 0x00C0;
              p = expected + 1;
              for (i = 0; i < m1; i++)
                *p++ = 0x0319;
              for (i = 0; i < m2 - 1; i++)
                *p++ = 0x0300;
  
              for (; repeat > 0; repeat--)
                {
                  ASSERT (check (input, m,        expected, m - 1) == 0);
                  ASSERT (check (expected, m - 1, expected, m - 1) == 0);
                }
  
              free (input);
            }
        }
    }
  }
  
  #else
  
  void
  test_u16_nfc (void)
  {
  }
  
  #endif
  

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