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os/ossrv/glib/tests/unicode-encoding.c
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     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 __SYMBIAN32__

    12 #include "mrt2_glib2_test.h"

    13 #endif /*__SYMBIAN32__*/

    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(__SYMBIAN32__)

   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 __SYMBIAN32__

   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 /*__SYMBIAN32__*/

   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 __SYMBIAN32__

   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 __SYMBIAN32__

   439   	testResultXml("unicode-encoding");

   440   	#endif /* EMULATOR */

   441   return exit_status;

   442 }
Symaptic