glib/tsrc/BC/tests/unicode-encoding.c
changeset 0 e4d67989cc36
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-1:000000000000 0:e4d67989cc36
       
     1 /* Portion Copyright © 2008-09 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.*/
       
     2 #undef G_DISABLE_ASSERT
       
     3 #undef G_LOG_DOMAIN
       
     4 
       
     5 #include <stdarg.h>
       
     6 #include <stdio.h>
       
     7 #include <stdlib.h>
       
     8 #include <string.h>
       
     9 #include <glib.h>
       
    10 
       
    11 #ifdef SYMBIAN
       
    12 #include "mrt2_glib2_test.h"
       
    13 #endif /*SYMBIAN*/
       
    14 static gint exit_status = 0;
       
    15 
       
    16 static void
       
    17 croak (char *format, ...)
       
    18 {
       
    19   va_list va;
       
    20   
       
    21   va_start (va, format);
       
    22   vfprintf (stderr, format, va);
       
    23   va_end (va);
       
    24 
       
    25   exit (1);
       
    26 }
       
    27 
       
    28 static void
       
    29 fail (char *format, ...)
       
    30 {
       
    31   va_list va;
       
    32   
       
    33   va_start (va, format);
       
    34   vfprintf (stderr, format, va);
       
    35   va_end (va);
       
    36 
       
    37   exit_status |= 1;
       
    38 }
       
    39 
       
    40 typedef enum
       
    41 {
       
    42   VALID,
       
    43   INCOMPLETE,
       
    44   NOTUNICODE,
       
    45   OVERLONG,
       
    46   MALFORMED
       
    47 } Status;
       
    48 
       
    49 static gboolean
       
    50 ucs4_equal (gunichar *a, gunichar *b)
       
    51 {
       
    52   while (*a && *b && (*a == *b))
       
    53     {
       
    54       a++;
       
    55       b++;
       
    56     }
       
    57 
       
    58   return (*a == *b);
       
    59 }
       
    60 
       
    61 static gboolean
       
    62 utf16_equal (gunichar2 *a, gunichar2 *b)
       
    63 {
       
    64   while (*a && *b && (*a == *b))
       
    65     {
       
    66       a++;
       
    67       b++;
       
    68     }
       
    69 
       
    70   return (*a == *b);
       
    71 }
       
    72 
       
    73 static gint
       
    74 utf16_count (gunichar2 *a)
       
    75 {
       
    76   gint result = 0;
       
    77   
       
    78   while (a[result])
       
    79     result++;
       
    80 
       
    81   return result;
       
    82 }
       
    83 
       
    84 static void
       
    85 process (gint      line,
       
    86 	 gchar    *utf8,
       
    87 	 Status    status,
       
    88 	 gunichar *ucs4,
       
    89 	 gint      ucs4_len)
       
    90 {
       
    91   const gchar *end;
       
    92   gboolean is_valid = g_utf8_validate (utf8, -1, &end);
       
    93   GError *error = NULL;
       
    94   glong items_read, items_written;
       
    95 
       
    96   switch (status)
       
    97     {
       
    98     case VALID:
       
    99       if (!is_valid)
       
   100 	{
       
   101 	  fail ("line %d: valid but g_utf8_validate returned FALSE\n", line);
       
   102 	  return;
       
   103 	}
       
   104       break;
       
   105     case NOTUNICODE:
       
   106     case INCOMPLETE:
       
   107     case OVERLONG:
       
   108     case MALFORMED:
       
   109       if (is_valid)
       
   110 	{
       
   111 	  fail ("line %d: invalid but g_utf8_validate returned TRUE\n", line);
       
   112 	  return;
       
   113 	}
       
   114       break;
       
   115     }
       
   116 
       
   117   if (status == INCOMPLETE)
       
   118     {
       
   119       gunichar *ucs4_result;      
       
   120 
       
   121       ucs4_result = g_utf8_to_ucs4 (utf8, -1, NULL, NULL, &error);
       
   122 
       
   123       if (!error || !g_error_matches (error, G_CONVERT_ERROR, G_CONVERT_ERROR_PARTIAL_INPUT))
       
   124 	{
       
   125 	  fail ("line %d: incomplete input not properly detected\n", line);
       
   126 	  return;
       
   127 	}
       
   128       g_clear_error (&error);
       
   129 
       
   130       ucs4_result = g_utf8_to_ucs4 (utf8, -1, &items_read, NULL, &error);
       
   131 
       
   132       if (!ucs4_result || items_read == strlen (utf8))
       
   133 	{
       
   134 	  fail ("line %d: incomplete input not properly detected\n", line);
       
   135 	  return;
       
   136 	}
       
   137 
       
   138       g_free (ucs4_result);
       
   139     }
       
   140 
       
   141   if (status == VALID || status == NOTUNICODE)
       
   142     {
       
   143       gunichar *ucs4_result;
       
   144       gchar *utf8_result;
       
   145 
       
   146       ucs4_result = g_utf8_to_ucs4 (utf8, -1, &items_read, &items_written, &error);
       
   147       if (!ucs4_result)
       
   148 	{
       
   149 	  fail ("line %d: conversion to ucs4 failed: %s\n", line, error->message);
       
   150 	  return;
       
   151 	}
       
   152       
       
   153       if (!ucs4_equal (ucs4_result, ucs4) ||
       
   154 	  items_read != strlen (utf8) ||
       
   155 	  items_written != ucs4_len)
       
   156 	{
       
   157 	  fail ("line %d: results of conversion to ucs4 do not match expected.\n", line);
       
   158 	  return;
       
   159 	}
       
   160 
       
   161       g_free (ucs4_result);
       
   162 
       
   163       ucs4_result = g_utf8_to_ucs4_fast (utf8, -1, &items_written);
       
   164       
       
   165       if (!ucs4_equal (ucs4_result, ucs4) ||
       
   166 	  items_written != ucs4_len)
       
   167 	{
       
   168 	  fail ("line %d: results of conversion to ucs4 do not match expected.\n", line);
       
   169 	  return;
       
   170 	}
       
   171 
       
   172       utf8_result = g_ucs4_to_utf8 (ucs4_result, -1, &items_read, &items_written, &error);
       
   173       if (!utf8_result)
       
   174 	{
       
   175 	  fail ("line %d: conversion back to utf8 failed: %s", line, error->message);
       
   176 	  return;
       
   177 	}
       
   178 
       
   179       if (strcmp (utf8_result, utf8) != 0 ||
       
   180 	  items_read != ucs4_len ||
       
   181 	  items_written != strlen (utf8))
       
   182 	{
       
   183 	  fail ("line %d: conversion back to utf8 did not match original\n", line);
       
   184 	  return;
       
   185 	}
       
   186 
       
   187       g_free (utf8_result);
       
   188       g_free (ucs4_result);
       
   189     }
       
   190 
       
   191   if (status == VALID)
       
   192     {
       
   193       gunichar2 *utf16_expected_tmp;
       
   194       gunichar2 *utf16_expected;
       
   195       gunichar2 *utf16_from_utf8;
       
   196       gunichar2 *utf16_from_ucs4;
       
   197       gunichar *ucs4_result;
       
   198       gsize bytes_written;
       
   199       gint n_chars;
       
   200       gchar *utf8_result;
       
   201 
       
   202 #if defined(G_PLATFORM_WIN32) || defined(SYMBIAN)
       
   203 #define TARGET "UTF-16LE"
       
   204 #else
       
   205 #define TARGET "UTF-16"
       
   206 #endif
       
   207 
       
   208       if (!(utf16_expected_tmp = (gunichar2 *)g_convert (utf8, -1, TARGET, "UTF-8",
       
   209 							 NULL, &bytes_written, NULL)))
       
   210 	{
       
   211 	  fail ("line %d: could not convert to UTF-16 via g_convert\n", line);
       
   212 	  return;
       
   213 	}
       
   214 
       
   215       /* zero-terminate and remove BOM
       
   216        */
       
   217       n_chars = bytes_written / 2;
       
   218       if (utf16_expected_tmp[0] == 0xfeff) /* BOM */
       
   219 	{
       
   220 	  n_chars--;
       
   221 	  utf16_expected = g_new (gunichar2, n_chars + 1);
       
   222 	  memcpy (utf16_expected, utf16_expected_tmp + 1, sizeof(gunichar2) * n_chars);
       
   223 	}
       
   224       else if (utf16_expected_tmp[0] == 0xfffe) /* ANTI-BOM */
       
   225 	{
       
   226 	  fail ("line %d: conversion via iconv to \"UTF-16\" is not native-endian\n", line);
       
   227 	  return;
       
   228 	}
       
   229       else
       
   230 	{
       
   231 	  utf16_expected = g_new (gunichar2, n_chars + 1);
       
   232 	  memcpy (utf16_expected, utf16_expected_tmp, sizeof(gunichar2) * n_chars);
       
   233 	}
       
   234 
       
   235       utf16_expected[n_chars] = '\0';
       
   236       
       
   237       if (!(utf16_from_utf8 = g_utf8_to_utf16 (utf8, -1, &items_read, &items_written, &error)))
       
   238 	{
       
   239 	  fail ("line %d: conversion to ucs16 failed: %s\n", line, error->message);
       
   240 	  return;
       
   241 	}
       
   242 
       
   243       if (items_read != strlen (utf8) ||
       
   244 	  utf16_count (utf16_from_utf8) != items_written)
       
   245 	{
       
   246 	  fail ("line %d: length error in conversion to ucs16\n", line);
       
   247 	  return;
       
   248 	}
       
   249 
       
   250       if (!(utf16_from_ucs4 = g_ucs4_to_utf16 (ucs4, -1, &items_read, &items_written, &error)))
       
   251 	{
       
   252 	  fail ("line %d: conversion to ucs16 failed: %s\n", line, error->message);
       
   253 	  return;
       
   254 	}
       
   255 
       
   256       if (items_read != ucs4_len ||
       
   257 	  utf16_count (utf16_from_ucs4) != items_written)
       
   258 	{
       
   259 	  fail ("line %d: length error in conversion to ucs16\n", line);
       
   260 	  return;
       
   261 	}
       
   262 
       
   263       if (!utf16_equal (utf16_from_utf8, utf16_expected) ||
       
   264 	  !utf16_equal (utf16_from_ucs4, utf16_expected))
       
   265 	{
       
   266 	  fail ("line %d: results of conversion to ucs16 do not match\n", line);
       
   267 	  return;
       
   268 	}
       
   269 
       
   270       if (!(utf8_result = g_utf16_to_utf8 (utf16_from_utf8, -1, &items_read, &items_written, &error)))
       
   271 	{
       
   272 	  fail ("line %d: conversion back to utf8 failed: %s\n", line, error->message);
       
   273 	  return;
       
   274 	}
       
   275 
       
   276       if (items_read != utf16_count (utf16_from_utf8) ||
       
   277 	  items_written != strlen (utf8))
       
   278 	{
       
   279 	  fail ("line %d: length error in conversion from ucs16 to utf8\n", line);
       
   280 	  return;
       
   281 	}
       
   282 
       
   283       if (!(ucs4_result = g_utf16_to_ucs4 (utf16_from_ucs4, -1, &items_read, &items_written, &error)))
       
   284 	{
       
   285 	  fail ("line %d: conversion back to utf8/ucs4 failed\n", line);
       
   286 	  return;
       
   287 	}
       
   288 
       
   289       if (items_read != utf16_count (utf16_from_utf8) ||
       
   290 	  items_written != ucs4_len)
       
   291 	{
       
   292 	  fail ("line %d: length error in conversion from ucs16 to ucs4\n", line);
       
   293 	  return;
       
   294 	}
       
   295 
       
   296       if (strcmp (utf8, utf8_result) != 0 ||
       
   297 	  !ucs4_equal (ucs4, ucs4_result))
       
   298 	{
       
   299 	  fail ("line %d: conversion back to utf8/ucs4 did not match original\n", line);
       
   300 	  return;
       
   301 	}
       
   302       
       
   303       g_free (utf16_expected_tmp);
       
   304       g_free (utf16_expected);
       
   305       g_free (utf16_from_utf8);
       
   306       g_free (utf16_from_ucs4);
       
   307       g_free (utf8_result);
       
   308       g_free (ucs4_result);
       
   309     }
       
   310 }
       
   311 
       
   312 int
       
   313 main (int argc, char **argv)
       
   314 {
       
   315   gchar *srcdir = getenv ("srcdir");
       
   316   gchar *testfile;
       
   317   gchar *contents;
       
   318   GError *error = NULL;
       
   319   gchar *p, *end;
       
   320   char *tmp;
       
   321   gint state = 0;
       
   322   gint line = 1;
       
   323   gint start_line = 0;		/* Quiet GCC */
       
   324   gchar *utf8 = NULL;		/* Quiet GCC */
       
   325   GArray *ucs4;
       
   326   Status status = VALID;	/* Quiet GCC */
       
   327 
       
   328   #ifdef SYMBIAN
       
   329  
       
   330   g_log_set_handler (NULL,  G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);
       
   331   g_set_print_handler(mrtPrintHandler);
       
   332   #endif /*SYMBIAN*/
       
   333   if (!srcdir)
       
   334     srcdir = "c:";
       
   335   
       
   336   testfile = g_strconcat (srcdir, G_DIR_SEPARATOR_S "utf8.txt", NULL);
       
   337   
       
   338   g_file_get_contents (testfile, &contents, NULL, &error);
       
   339   if (error)
       
   340   {
       
   341   	croak ("Cannot open utf8.txt: %s", error->message);
       
   342   	
       
   343   	#ifdef SYMBIAN
       
   344   	testResultXml("unicode-encoding");
       
   345   	#endif /* EMULATOR */
       
   346   	
       
   347   	exit(1);
       
   348   }
       
   349 
       
   350   ucs4 = g_array_new (TRUE, FALSE, sizeof(gunichar));
       
   351 
       
   352   p = contents;
       
   353 
       
   354   /* Loop over lines */
       
   355   while (*p)
       
   356     {
       
   357       while (*p && (*p == ' ' || *p == '\t'))
       
   358 	p++;
       
   359 
       
   360       end = p;
       
   361       while (*end && (*end != '\r' && *end != '\n'))
       
   362 	end++;
       
   363       
       
   364       if (!*p || *p == '#' || *p == '\r' || *p == '\n')
       
   365 	goto next_line;
       
   366 
       
   367       tmp = g_strstrip (g_strndup (p, end - p));
       
   368       
       
   369       switch (state)
       
   370 	{
       
   371 	case 0:
       
   372 	  /* UTF-8 string */
       
   373 	  start_line = line;
       
   374 	  utf8 = tmp;
       
   375 	  tmp = NULL;
       
   376 	  break;
       
   377 	  
       
   378 	case 1:
       
   379 	  /* Status */
       
   380 	  if (!strcmp (tmp, "VALID"))
       
   381 	    status = VALID;
       
   382 	  else if (!strcmp (tmp, "INCOMPLETE"))
       
   383 	    status = INCOMPLETE;
       
   384 	  else if (!strcmp (tmp, "NOTUNICODE"))
       
   385 	    status = NOTUNICODE;
       
   386 	  else if (!strcmp (tmp, "OVERLONG"))
       
   387 	    status = OVERLONG;
       
   388 	  else if (!strcmp (tmp, "MALFORMED"))
       
   389 	    status = MALFORMED;
       
   390 	  else
       
   391 	    croak ("Invalid status on line %d\n", line);
       
   392 
       
   393 	  if (status != VALID && status != NOTUNICODE)
       
   394 	    state++;		/* No UCS-4 data */
       
   395 	  
       
   396 	  break;
       
   397 	  
       
   398 	case 2:
       
   399 	  /* UCS-4 version */
       
   400 
       
   401 	  p = strtok (tmp, " \t");
       
   402 	  while (p)
       
   403 	    {
       
   404 	      gchar *endptr;
       
   405 	      
       
   406 	      gunichar ch = strtoul (p, &endptr, 16);
       
   407 	      if (*endptr != '\0')
       
   408 		croak ("Invalid UCS-4 character on line %d\n", line);
       
   409 
       
   410 	      g_array_append_val (ucs4, ch);
       
   411 	      
       
   412 	      p = strtok (NULL, " \t");
       
   413 	    }
       
   414 
       
   415 	  break;
       
   416 	}
       
   417 
       
   418       g_free (tmp);
       
   419       state = (state + 1) % 3;
       
   420 
       
   421       if (state == 0)
       
   422 	{
       
   423 	  process (start_line, utf8, status, (gunichar *)ucs4->data, ucs4->len);
       
   424 	  g_array_set_size (ucs4, 0);
       
   425 	  g_free (utf8);
       
   426 	}
       
   427       
       
   428     next_line:
       
   429       p = end;
       
   430       if (*p && *p == '\r')
       
   431 	p++;
       
   432       if (*p && *p == '\n')
       
   433 	p++;
       
   434       
       
   435       line++;
       
   436     }
       
   437 
       
   438     #ifdef SYMBIAN
       
   439   	testResultXml("unicode-encoding");
       
   440   	#endif /* EMULATOR */
       
   441   return exit_status;
       
   442 }