#undef G_DISABLE_ASSERT

#undef G_LOG_DOMAIN

#include <locale.h>

#include <stdlib.h>

#include <stdio.h>

#include <glib.h>

#include <string.h>

int main (int argc, char **argv)

{

  FILE *infile;

  char buffer[1024];

  char **strings;

  char *filename;

  const char *locale;

  const char *test;

  const char *expected;

  char *convert;

  char *current_locale = setlocale (LC_CTYPE, NULL);

  gint result = 0;

  g_test_init (&argc, &argv, NULL);

  filename = g_test_build_filename (G_TEST_DIST, "casemap.txt", NULL);

  infile = fopen (filename, "r");

  if (!infile)

    {

      fprintf (stderr, "Failed to open %s\n", filename );

      exit (1);

    }

  while (fgets (buffer, sizeof(buffer), infile))

    {

      if (buffer[0] == '#')

	continue;

      strings = g_strsplit (buffer, "\t", -1);

      locale = strings[0];

      if (!locale[0])

	locale = "C";

      if (strcmp (locale, current_locale) != 0)

	{

	  setlocale (LC_CTYPE, locale);

	  current_locale = setlocale (LC_CTYPE, NULL);

	  if (strncmp (current_locale, locale, 2) != 0)

	    {

	      fprintf (stderr, "Cannot set locale to %s, skipping\n", locale);

	      goto next;

	    }

	}

      test = strings[1];

      /* gen-casemap-txt.pl uses an empty string when a single character

       * doesn't have an equivalent in a particular case; since that behavior

       * is nonsense for multicharacter strings, it would make more sense

       * to put the expected result .. the original character unchanged. But 

       * for now, we just work around it here and take the empty string to mean

       * "same as original"

       */

      convert = g_utf8_strup (test, -1);

      expected = strings[4][0] ? strings[4] : test;

      if (strcmp (convert, expected) != 0)

	{

	  fprintf (stderr, "Failure: toupper(%s) == %s, should have been %s\n",

		   test, convert, expected);

	  result = 1;

	}

      g_free (convert);

      convert = g_utf8_strdown (test, -1);

      expected = strings[2][0] ? strings[2] : test;

      if (strcmp (convert, expected) != 0)

	{

	  fprintf (stderr, "Failure: tolower(%s) == %s, should have been %s\n",

		   test, convert, expected);

	  result = 1;

	}

      g_free (convert);

    next:

      g_strfreev (strings);

    }

  fclose (infile);

  g_free (filename);

  filename = g_test_build_filename (G_TEST_DIST, "casefold.txt", NULL);

  infile = fopen (filename, "r");

  if (!infile)

    {

      fprintf (stderr, "Failed to open %s\n", filename );

      g_free (filename);

      exit (1);

    }

  while (fgets (buffer, sizeof(buffer), infile))

    {

      if (buffer[0] == '#')

	continue;

      buffer[strlen(buffer) - 1] = '\0';

      strings = g_strsplit (buffer, "\t", -1);

      test = strings[0];

      convert = g_utf8_casefold (test, -1);

      if (strcmp (convert, strings[1]) != 0)

	{

	  fprintf (stderr, "Failure: casefold(%s) == '%s', should have been '%s'\n",

		   test, convert, strings[1]);

	  result = 1;

	}

      g_free (convert);

      g_strfreev (strings);

    }

  fclose (infile);

  g_free (filename);

  return result;

}