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/* Test of canonical decomposition of Unicode characters.
   Copyright (C) 2009-2025 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 "uninorm.h"

#include "macros.h"

int
main ()
{
  ucs4_t decomposed[UC_DECOMPOSITION_MAX_LENGTH];
  int ret;

  /* SPACE */
  ret = uc_canonical_decomposition (0x0020, decomposed);
  ASSERT (ret == -1);

  /* LATIN CAPITAL LETTER A WITH DIAERESIS */
  ret = uc_canonical_decomposition (0x00C4, decomposed);
  ASSERT (ret == 2);
  ASSERT (decomposed[0] == 0x0041);
  ASSERT (decomposed[1] == 0x0308);

  /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */
  ret = uc_canonical_decomposition (0x01DE, decomposed);
  ASSERT (ret == 2);
  ASSERT (decomposed[0] == 0x00C4);
  ASSERT (decomposed[1] == 0x0304);

  /* GREEK DIALYTIKA AND PERISPOMENI */
  ret = uc_canonical_decomposition (0x1FC1, decomposed);
  ASSERT (ret == 2);
  ASSERT (decomposed[0] == 0x00A8);
  ASSERT (decomposed[1] == 0x0342);

  /* SCRIPT SMALL L */
  ret = uc_canonical_decomposition (0x2113, decomposed);
  ASSERT (ret == -1);

  /* NO-BREAK SPACE */
  ret = uc_canonical_decomposition (0x00A0, decomposed);
  ASSERT (ret == -1);

  /* ARABIC LETTER VEH INITIAL FORM */
  ret = uc_canonical_decomposition (0xFB6C, decomposed);
  ASSERT (ret == -1);

  /* ARABIC LETTER VEH MEDIAL FORM */
  ret = uc_canonical_decomposition (0xFB6D, decomposed);
  ASSERT (ret == -1);

  /* ARABIC LETTER VEH FINAL FORM */
  ret = uc_canonical_decomposition (0xFB6B, decomposed);
  ASSERT (ret == -1);

  /* ARABIC LETTER VEH ISOLATED FORM */
  ret = uc_canonical_decomposition (0xFB6A, decomposed);
  ASSERT (ret == -1);

  /* CIRCLED NUMBER FIFTEEN */
  ret = uc_canonical_decomposition (0x246E, decomposed);
  ASSERT (ret == -1);

  /* TRADE MARK SIGN */
  ret = uc_canonical_decomposition (0x2122, decomposed);
  ASSERT (ret == -1);

  /* LATIN SUBSCRIPT SMALL LETTER I */
  ret = uc_canonical_decomposition (0x1D62, decomposed);
  ASSERT (ret == -1);

  /* PRESENTATION FORM FOR VERTICAL LEFT PARENTHESIS */
  ret = uc_canonical_decomposition (0xFE35, decomposed);
  ASSERT (ret == -1);

  /* FULLWIDTH LATIN CAPITAL LETTER A */
  ret = uc_canonical_decomposition (0xFF21, decomposed);
  ASSERT (ret == -1);

  /* HALFWIDTH IDEOGRAPHIC COMMA */
  ret = uc_canonical_decomposition (0xFF64, decomposed);
  ASSERT (ret == -1);

  /* SMALL IDEOGRAPHIC COMMA */
  ret = uc_canonical_decomposition (0xFE51, decomposed);
  ASSERT (ret == -1);

  /* SQUARE MHZ */
  ret = uc_canonical_decomposition (0x3392, decomposed);
  ASSERT (ret == -1);

  /* VULGAR FRACTION THREE EIGHTHS */
  ret = uc_canonical_decomposition (0x215C, decomposed);
  ASSERT (ret == -1);

  /* MICRO SIGN */
  ret = uc_canonical_decomposition (0x00B5, decomposed);
  ASSERT (ret == -1);

  /* ARABIC LIGATURE SALLALLAHOU ALAYHE WASALLAM */
  ret = uc_canonical_decomposition (0xFDFA, decomposed);
  ASSERT (ret == -1);

  /* HANGUL SYLLABLE GEUL */
  ret = uc_canonical_decomposition (0xAE00, decomposed);
  /* See the clarification at <https://www.unicode.org/versions/Unicode5.1.0/>,
     section "Clarification of Hangul Jamo Handling".  */
#if 1
  ASSERT (ret == 2);
  ASSERT (decomposed[0] == 0xADF8);
  ASSERT (decomposed[1] == 0x11AF);
#else
  ASSERT (ret == 3);
  ASSERT (decomposed[0] == 0x1100);
  ASSERT (decomposed[1] == 0x1173);
  ASSERT (decomposed[2] == 0x11AF);
#endif

  /* HANGUL SYLLABLE GEU */
  ret = uc_canonical_decomposition (0xADF8, decomposed);
  ASSERT (ret == 2);
  ASSERT (decomposed[0] == 0x1100);
  ASSERT (decomposed[1] == 0x1173);

  return test_exit_status;
}
kc3-lang/gnulib/tests/uninorm/test-canonical-decomposition.c

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tests/uninorm/test-canonical-decomposition.c
