kc3-lang/gnulib/tests/test-iconv-utf.c

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

  maint: run 'make update-copyright'
  

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• tests/test-iconv-utf.c

• /* Test of character set conversion.
     Copyright (C) 2007-2023 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>, 2007.  */
  
  #include <config.h>
  
  #if HAVE_ICONV
  # include <iconv.h>
  #endif
  
  #include <errno.h>
  #include <string.h>
  
  #include "macros.h"
  
  /* If compiling on an EBCDIC system, keep the test strings in ASCII.  */
  #if defined __IBMC__ && 'A' != 0x41
  # pragma convert("ISO8859-1")
  # define CONVERT_ENABLED
  #endif
  
  /* The text is "Japanese (日本語) [\U0001D50D\U0001D51E\U0001D52D]".  */
  
  const char test_utf8_string[] = "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
  
  const char test_utf16be_string[] = "\000J\000a\000p\000a\000n\000e\000s\000e\000 \000(\145\345\147\054\212\236\000)\000 \000[\330\065\335\015\330\065\335\036\330\065\335\055\000]";
  
  const char test_utf16le_string[] = "J\000a\000p\000a\000n\000e\000s\000e\000 \000(\000\345\145\054\147\236\212)\000 \000[\000\065\330\015\335\065\330\036\335\065\330\055\335]\000";
  
  const char test_utf32be_string[] = "\000\000\000J\000\000\000a\000\000\000p\000\000\000a\000\000\000n\000\000\000e\000\000\000s\000\000\000e\000\000\000 \000\000\000(\000\000\145\345\000\000\147\054\000\000\212\236\000\000\000)\000\000\000 \000\000\000[\000\001\325\015\000\001\325\036\000\001\325\055\000\000\000]";
  
  const char test_utf32le_string[] = "J\000\000\000a\000\000\000p\000\000\000a\000\000\000n\000\000\000e\000\000\000s\000\000\000e\000\000\000 \000\000\000(\000\000\000\345\145\000\000\054\147\000\000\236\212\000\000)\000\000\000 \000\000\000[\000\000\000\015\325\001\000\036\325\001\000\055\325\001\000]\000\000\000";
  
  #ifdef CONVERT_ENABLED
  # pragma convert(pop)
  #endif
  
  int
  main ()
  {
  #if HAVE_ICONV
    /* Assume that iconv() supports at least the encoding UTF-8.  */
  
    /* Test conversion from UTF-8 to UTF-16BE with no errors.  */
    {
  #define input    test_utf8_string
  #define expected test_utf16be_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-16BE", "UTF-8");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-8 to UTF-16LE with no errors.  */
    {
  #define input    test_utf8_string
  #define expected test_utf16le_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-16LE", "UTF-8");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-8 to UTF-32BE with no errors.  */
    {
  #define input    test_utf8_string
  #define expected test_utf32be_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-32BE", "UTF-8");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-8 to UTF-32LE with no errors.  */
    {
  #define input    test_utf8_string
  #define expected test_utf32le_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-32LE", "UTF-8");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-16BE to UTF-8 with no errors.  */
    {
  #define input    test_utf16be_string
  #define expected test_utf8_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-8", "UTF-16BE");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-16LE to UTF-8 with no errors.  */
    {
  #define input    test_utf16le_string
  #define expected test_utf8_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-8", "UTF-16LE");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-32BE to UTF-8 with no errors.  */
    {
  #define input    test_utf32be_string
  #define expected test_utf8_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-8", "UTF-32BE");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  
    /* Test conversion from UTF-32LE to UTF-8 with no errors.  */
    {
  #define input    test_utf32le_string
  #define expected test_utf8_string
      iconv_t cd;
      char buf[100];
      const char *inptr;
      size_t inbytesleft;
      char *outptr;
      size_t outbytesleft;
      size_t res;
  
      cd = iconv_open ("UTF-8", "UTF-32LE");
      ASSERT (cd != (iconv_t)(-1));
  
      inptr = input;
      inbytesleft = sizeof (input) - 1;
      outptr = buf;
      outbytesleft = sizeof (buf);
      res = iconv (cd,
                   (ICONV_CONST char **) &inptr, &inbytesleft,
                   &outptr, &outbytesleft);
      ASSERT (res == 0 && inbytesleft == 0);
      ASSERT (outptr == buf + (sizeof (expected) - 1));
      ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
  
      ASSERT (iconv_close (cd) == 0);
  
  #undef input
  #undef expected
    }
  #endif
  
    return 0;
  }
  

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