gettext/libtextstyle/tests/test-instanceof.c

/* Test for the is_instance_of_* functions.
   Copyright (C) 2020-2026 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.  */

#include <config.h>

#include "textstyle.h"

#include <stdio.h>
#include <stdlib.h>

#define ASSERT(x) if (!(x)) abort ()

int
main ()
{
  ostream_t stream1 = file_ostream_create (stdout);
  ostream_t stream2 = fd_ostream_create (1, "(stdout)", false);
  ostream_t stream3 = term_ostream_create (1, "(stdout)", TTYCTL_AUTO);
  ostream_t stream4 = memory_ostream_create ();
  ostream_t stream5 = html_ostream_create (stream1);
  ostream_t sstream1 =
    term_styled_ostream_create (1, "(stdout)", TTYCTL_AUTO,
                                SRCDIR "../adhoc-tests/hello-default.css");
  ostream_t sstream2 =
    html_styled_ostream_create (stream5,
                                SRCDIR "../adhoc-tests/hello-default.css");
  ostream_t sstream3 = noop_styled_ostream_create (stream1, false);

  if (stream1 != NULL)
    {
      ASSERT (! is_instance_of_styled_ostream (stream1));
      ASSERT (is_instance_of_file_ostream (stream1));
      ASSERT (! is_instance_of_fd_ostream (stream1));
      ASSERT (! is_instance_of_term_ostream (stream1));
      ASSERT (! is_instance_of_memory_ostream (stream1));
      ASSERT (! is_instance_of_iconv_ostream (stream1));
      ASSERT (! is_instance_of_html_ostream (stream1));
      ASSERT (! is_instance_of_term_styled_ostream (stream1));
      ASSERT (! is_instance_of_html_styled_ostream (stream1));
      ASSERT (! is_instance_of_noop_styled_ostream (stream1));
    }

  if (stream2 != NULL)
    {
      ASSERT (! is_instance_of_styled_ostream (stream2));
      ASSERT (! is_instance_of_file_ostream (stream2));
      ASSERT (is_instance_of_fd_ostream (stream2));
      ASSERT (! is_instance_of_term_ostream (stream2));
      ASSERT (! is_instance_of_memory_ostream (stream2));
      ASSERT (! is_instance_of_iconv_ostream (stream2));
      ASSERT (! is_instance_of_html_ostream (stream2));
      ASSERT (! is_instance_of_term_styled_ostream (stream2));
      ASSERT (! is_instance_of_html_styled_ostream (stream2));
      ASSERT (! is_instance_of_noop_styled_ostream (stream2));
    }

  if (stream3 != NULL)
    {
      ASSERT (! is_instance_of_styled_ostream (stream3));
      ASSERT (! is_instance_of_file_ostream (stream3));
      ASSERT (! is_instance_of_fd_ostream (stream3));
      ASSERT (is_instance_of_term_ostream (stream3));
      ASSERT (! is_instance_of_memory_ostream (stream3));
      ASSERT (! is_instance_of_iconv_ostream (stream3));
      ASSERT (! is_instance_of_html_ostream (stream3));
      ASSERT (! is_instance_of_term_styled_ostream (stream3));
      ASSERT (! is_instance_of_html_styled_ostream (stream3));
      ASSERT (! is_instance_of_noop_styled_ostream (stream3));
    }

  if (stream4 != NULL)
    {
      ASSERT (! is_instance_of_styled_ostream (stream4));
      ASSERT (! is_instance_of_file_ostream (stream4));
      ASSERT (! is_instance_of_fd_ostream (stream4));
      ASSERT (! is_instance_of_term_ostream (stream4));
      ASSERT (is_instance_of_memory_ostream (stream4));
      ASSERT (! is_instance_of_iconv_ostream (stream4));
      ASSERT (! is_instance_of_html_ostream (stream4));
      ASSERT (! is_instance_of_term_styled_ostream (stream4));
      ASSERT (! is_instance_of_html_styled_ostream (stream4));
      ASSERT (! is_instance_of_noop_styled_ostream (stream4));
    }

  if (stream5 != NULL)
    {
      ASSERT (! is_instance_of_styled_ostream (stream5));
      ASSERT (! is_instance_of_file_ostream (stream5));
      ASSERT (! is_instance_of_fd_ostream (stream5));
      ASSERT (! is_instance_of_term_ostream (stream5));
      ASSERT (! is_instance_of_memory_ostream (stream5));
      ASSERT (! is_instance_of_iconv_ostream (stream5));
      ASSERT (is_instance_of_html_ostream (stream5));
      ASSERT (! is_instance_of_term_styled_ostream (stream5));
      ASSERT (! is_instance_of_html_styled_ostream (stream5));
      ASSERT (! is_instance_of_noop_styled_ostream (stream5));
    }

  if (sstream1 != NULL)
    {
      ASSERT (is_instance_of_styled_ostream (sstream1));
      ASSERT (! is_instance_of_file_ostream (sstream1));
      ASSERT (! is_instance_of_fd_ostream (sstream1));
      ASSERT (! is_instance_of_term_ostream (sstream1));
      ASSERT (! is_instance_of_memory_ostream (sstream1));
      ASSERT (! is_instance_of_iconv_ostream (sstream1));
      ASSERT (! is_instance_of_html_ostream (sstream1));
      ASSERT (is_instance_of_term_styled_ostream (sstream1));
      ASSERT (! is_instance_of_html_styled_ostream (sstream1));
      ASSERT (! is_instance_of_noop_styled_ostream (sstream1));
    }

  if (sstream2 != NULL)
    {
      ASSERT (is_instance_of_styled_ostream (sstream2));
      ASSERT (! is_instance_of_file_ostream (sstream2));
      ASSERT (! is_instance_of_fd_ostream (sstream2));
      ASSERT (! is_instance_of_term_ostream (sstream2));
      ASSERT (! is_instance_of_memory_ostream (sstream2));
      ASSERT (! is_instance_of_iconv_ostream (sstream2));
      ASSERT (! is_instance_of_html_ostream (sstream2));
      ASSERT (! is_instance_of_term_styled_ostream (sstream2));
      ASSERT (is_instance_of_html_styled_ostream (sstream2));
      ASSERT (! is_instance_of_noop_styled_ostream (sstream2));
    }

  if (sstream3 != NULL)
    {
      ASSERT (is_instance_of_styled_ostream (sstream3));
      ASSERT (! is_instance_of_file_ostream (sstream3));
      ASSERT (! is_instance_of_fd_ostream (sstream3));
      ASSERT (! is_instance_of_term_ostream (sstream3));
      ASSERT (! is_instance_of_memory_ostream (sstream3));
      ASSERT (! is_instance_of_iconv_ostream (sstream3));
      ASSERT (! is_instance_of_html_ostream (sstream3));
      ASSERT (! is_instance_of_term_styled_ostream (sstream3));
      ASSERT (! is_instance_of_html_styled_ostream (sstream3));
      ASSERT (is_instance_of_noop_styled_ostream (sstream3));
    }

  return 0;
}