kc3-lang/gnulib/tests/test-sfl-istream.c

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• Hash : 8ff0508a
  Author :
  Date : 2025-04-26T10:41:43
  

  Silence gcc 15 -Wunterminated-string-initialization warnings.
  
  * tests/test-gc-arctwo.c (main): Mark arrays as _GL_ATTRIBUTE_NONSTRING.
  * tests/test-sf-istream.c (test_open_stream): Likewise.
  * tests/test-sfl-istream.c (test_open_stream): Likewise.
  * tests/unilbrk/test-u8-possible-linebreaks.c (test_function): Likewise.
  * tests/unilbrk/test-u8-width-linebreaks.c (test_function): Likewise.
  * tests/unilbrk/test-ulc-possible-linebreaks.c (test_function):
  Likewise.
  * tests/unilbrk/test-ulc-width-linebreaks.c (test_function): Likewise.
  * tests/uniwbrk/test-u8-wordbreaks.c (main): Likewise.
  * tests/uniwbrk/test-ulc-wordbreaks.c (main): Likewise.
  

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• tests/test-sfl-istream.c

• /* Test of string or file based input stream with line number.
     Copyright (C) 2024-2025 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 2, 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>, 2024.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include "sfl-istream.h"
  
  #include <unistd.h>
  
  #include "macros.h"
  
  #define CONTENTS_LEN 9
  #define CONTENTS "Hello\377\n\nW"
  
  static void
  test_open_stream (sfl_istream_t *stream)
  {
    int c;
  
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == 'H');
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == 'e');
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == 'l');
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == 'l');
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == 'o');
    ASSERT (sfl_get_line_number (stream) == 1);
    sfl_ungetc (stream, c);
    c = sfl_getc (stream);
    ASSERT (c == 'o');
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == 0xff);
    ASSERT (sfl_get_line_number (stream) == 1);
    sfl_ungetc (stream, c);
    c = sfl_getc (stream);
    ASSERT (c == 0xff);
    ASSERT (sfl_get_line_number (stream) == 1);
    c = sfl_getc (stream);
    ASSERT (c == '\n');
    ASSERT (sfl_get_line_number (stream) == 2);
    c = sfl_getc (stream);
    ASSERT (c == '\n');
    ASSERT (sfl_get_line_number (stream) == 3);
    sfl_ungetc (stream, c);
    ASSERT (sfl_get_line_number (stream) == 2);
    c = sfl_getc (stream);
    ASSERT (c == '\n');
    ASSERT (sfl_get_line_number (stream) == 3);
    c = sfl_getc (stream);
    ASSERT (c == 'W');
    ASSERT (sfl_get_line_number (stream) == 3);
    c = sfl_getc (stream);
    ASSERT (c == EOF);
    ASSERT (sfl_get_line_number (stream) == 3);
    c = sfl_getc (stream);
    ASSERT (c == EOF);
    ASSERT (sfl_get_line_number (stream) == 3);
    sfl_ungetc (stream, c);
    c = sfl_getc (stream);
    ASSERT (c == EOF);
    ASSERT (sfl_get_line_number (stream) == 3);
    ASSERT (!sfl_ferror (stream));
  }
  
  int
  main ()
  {
    char const contents[CONTENTS_LEN] _GL_ATTRIBUTE_NONSTRING = CONTENTS;
  
    /* Test reading from a file.  */
    {
      const char *filename = "test-sfl-istream.tmp";
      unlink (filename);
      {
        FILE *fp = fopen (filename, "wb");
        ASSERT (fwrite (contents, 1, CONTENTS_LEN, fp) == CONTENTS_LEN);
        ASSERT (fclose (fp) == 0);
      }
      {
        FILE *fp = fopen (filename, "rb");
        sfl_istream_t stream;
        sfl_istream_init_from_file (&stream, fp);
        test_open_stream (&stream);
        sfl_free (&stream);
      }
      unlink (filename);
    }
  
    /* Test reading from a string in memory.  */
    {
      sfl_istream_t stream;
      sfl_istream_init_from_string_desc (&stream,
                                         sd_new_addr (CONTENTS_LEN,
                                                      (char *) contents));
      test_open_stream (&stream);
      sfl_free (&stream);
    }
  
    /* Test reading from a NUL-terminated string in memory.  */
    {
      sfl_istream_t stream;
      sfl_istream_init_from_string (&stream, CONTENTS);
      test_open_stream (&stream);
      sfl_free (&stream);
    }
  
    return 0;
  }
  

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