#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
static gint exit_status = 0;
static void
croak (char *format, ...)
{
va_list va;
va_start (va, format);
vfprintf (stderr, format, va);
va_end (va);
exit (1);
}
static void
fail (char *format, ...)
{
va_list va;
va_start (va, format);
vfprintf (stderr, format, va);
va_end (va);
exit_status |= 1;
}
typedef enum
{
VALID,
INCOMPLETE,
NOTUNICODE,
OVERLONG,
MALFORMED
} Status;
static gboolean
ucs4_equal (gunichar *a, gunichar *b)
{
while (*a && *b && (*a == *b))
{
a++;
b++;
}
return (*a == *b);
}
static gboolean
utf16_equal (gunichar2 *a, gunichar2 *b)
{
while (*a && *b && (*a == *b))
{
a++;
b++;
}
return (*a == *b);
}
static gint
utf16_count (gunichar2 *a)
{
gint result = 0;
while (a[result])
result++;
return result;
}
static void
process (gint line,
gchar *utf8,
Status status,
gunichar *ucs4,
gint ucs4_len)
{
const gchar *end;
gboolean is_valid = g_utf8_validate (utf8, -1, &end);
GError *error = NULL;
glong items_read, items_written;
switch (status)
{
case VALID:
if (!is_valid)
{
fail ("line %d: valid but g_utf8_validate returned FALSE\n", line);
return;
}
break;
case NOTUNICODE:
case INCOMPLETE:
case OVERLONG:
case MALFORMED:
if (is_valid)
{
fail ("line %d: invalid but g_utf8_validate returned TRUE\n", line);
return;
}
break;
}
if (status == INCOMPLETE)
{
gunichar *ucs4_result;
ucs4_result = g_utf8_to_ucs4 (utf8, -1, NULL, NULL, &error);
if (!error || !g_error_matches (error, G_CONVERT_ERROR, G_CONVERT_ERROR_PARTIAL_INPUT))
{
fail ("line %d: incomplete input not properly detected\n", line);
return;
}
g_clear_error (&error);
ucs4_result = g_utf8_to_ucs4 (utf8, -1, &items_read, NULL, &error);
if (!ucs4_result || items_read == strlen (utf8))
{
fail ("line %d: incomplete input not properly detected\n", line);
return;
}
g_free (ucs4_result);
}
if (status == VALID || status == NOTUNICODE)
{
gunichar *ucs4_result;
gchar *utf8_result;
ucs4_result = g_utf8_to_ucs4 (utf8, -1, &items_read, &items_written, &error);
if (!ucs4_result)
{
fail ("line %d: conversion to ucs4 failed: %s\n", line, error->message);
return;
}
if (!ucs4_equal (ucs4_result, ucs4) ||
items_read != strlen (utf8) ||
items_written != ucs4_len)
{
fail ("line %d: results of conversion to ucs4 do not match expected.\n", line);
return;
}
g_free (ucs4_result);
ucs4_result = g_utf8_to_ucs4_fast (utf8, -1, &items_written);
if (!ucs4_equal (ucs4_result, ucs4) ||
items_written != ucs4_len)
{
fail ("line %d: results of conversion to ucs4 do not match expected.\n", line);
return;
}
utf8_result = g_ucs4_to_utf8 (ucs4_result, -1, &items_read, &items_written, &error);
if (!utf8_result)
{
fail ("line %d: conversion back to utf8 failed: %s", line, error->message);
return;
}
if (strcmp (utf8_result, utf8) != 0 ||
items_read != ucs4_len ||
items_written != strlen (utf8))
{
fail ("line %d: conversion back to utf8 did not match original\n", line);
return;
}
g_free (utf8_result);
g_free (ucs4_result);
}
if (status == VALID)
{
gunichar2 *utf16_expected_tmp;
gunichar2 *utf16_expected;
gunichar2 *utf16_from_utf8;
gunichar2 *utf16_from_ucs4;
gunichar *ucs4_result;
gsize bytes_written;
gint n_chars;
gchar *utf8_result;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define TARGET "UTF-16LE"
#else
#define TARGET "UTF-16"
#endif
if (!(utf16_expected_tmp = (gunichar2 *)g_convert (utf8, -1, TARGET, "UTF-8",
NULL, &bytes_written, NULL)))
{
fail ("line %d: could not convert to UTF-16 via g_convert\n", line);
return;
}
/* zero-terminate and remove BOM
*/
n_chars = bytes_written / 2;
if (utf16_expected_tmp[0] == 0xfeff) /* BOM */
{
n_chars--;
utf16_expected = g_new (gunichar2, n_chars + 1);
memcpy (utf16_expected, utf16_expected_tmp + 1, sizeof(gunichar2) * n_chars);
}
else if (utf16_expected_tmp[0] == 0xfffe) /* ANTI-BOM */
{
fail ("line %d: conversion via iconv to \"UTF-16\" is not native-endian\n", line);
return;
}
else
{
utf16_expected = g_new (gunichar2, n_chars + 1);
memcpy (utf16_expected, utf16_expected_tmp, sizeof(gunichar2) * n_chars);
}
utf16_expected[n_chars] = '\0';
if (!(utf16_from_utf8 = g_utf8_to_utf16 (utf8, -1, &items_read, &items_written, &error)))
{
fail ("line %d: conversion to ucs16 failed: %s\n", line, error->message);
return;
}
if (items_read != strlen (utf8) ||
utf16_count (utf16_from_utf8) != items_written)
{
fail ("line %d: length error in conversion to ucs16\n", line);
return;
}
if (!(utf16_from_ucs4 = g_ucs4_to_utf16 (ucs4, -1, &items_read, &items_written, &error)))
{
fail ("line %d: conversion to ucs16 failed: %s\n", line, error->message);
return;
}
if (items_read != ucs4_len ||
utf16_count (utf16_from_ucs4) != items_written)
{
fail ("line %d: length error in conversion to ucs16\n", line);
return;
}
if (!utf16_equal (utf16_from_utf8, utf16_expected) ||
!utf16_equal (utf16_from_ucs4, utf16_expected))
{
fail ("line %d: results of conversion to ucs16 do not match\n", line);
return;
}
if (!(utf8_result = g_utf16_to_utf8 (utf16_from_utf8, -1, &items_read, &items_written, &error)))
{
fail ("line %d: conversion back to utf8 failed: %s\n", line, error->message);
return;
}
if (items_read != utf16_count (utf16_from_utf8) ||
items_written != strlen (utf8))
{
fail ("line %d: length error in conversion from ucs16 to utf8\n", line);
return;
}
if (!(ucs4_result = g_utf16_to_ucs4 (utf16_from_ucs4, -1, &items_read, &items_written, &error)))
{
fail ("line %d: conversion back to utf8/ucs4 failed\n", line);
return;
}
if (items_read != utf16_count (utf16_from_utf8) ||
items_written != ucs4_len)
{
fail ("line %d: length error in conversion from ucs16 to ucs4\n", line);
return;
}
if (strcmp (utf8, utf8_result) != 0 ||
!ucs4_equal (ucs4, ucs4_result))
{
fail ("line %d: conversion back to utf8/ucs4 did not match original\n", line);
return;
}
g_free (utf16_expected_tmp);
g_free (utf16_expected);
g_free (utf16_from_utf8);
g_free (utf16_from_ucs4);
g_free (utf8_result);
g_free (ucs4_result);
}
}
int
main (int argc, char **argv)
{
gchar *srcdir = getenv ("srcdir");
gchar *testfile;
gchar *contents;
GError *error = NULL;
gchar *p, *end;
char *tmp;
gint state = 0;
gint line = 1;
gint start_line = 0; /* Quiet GCC */
gchar *utf8 = NULL; /* Quiet GCC */
GArray *ucs4;
Status status = VALID; /* Quiet GCC */
if (!srcdir)
srcdir = ".";
testfile = g_strconcat (srcdir, G_DIR_SEPARATOR_S "utf8.txt", NULL);
g_file_get_contents (testfile, &contents, NULL, &error);
if (error)
croak ("Cannot open utf8.txt: %s", error->message);
ucs4 = g_array_new (TRUE, FALSE, sizeof(gunichar));
p = contents;
/* Loop over lines */
while (*p)
{
while (*p && (*p == ' ' || *p == '\t'))
p++;
end = p;
while (*end && (*end != '\r' && *end != '\n'))
end++;
if (!*p || *p == '#' || *p == '\r' || *p == '\n')
goto next_line;
tmp = g_strstrip (g_strndup (p, end - p));
switch (state)
{
case 0:
/* UTF-8 string */
start_line = line;
utf8 = tmp;
tmp = NULL;
break;
case 1:
/* Status */
if (!strcmp (tmp, "VALID"))
status = VALID;
else if (!strcmp (tmp, "INCOMPLETE"))
status = INCOMPLETE;
else if (!strcmp (tmp, "NOTUNICODE"))
status = NOTUNICODE;
else if (!strcmp (tmp, "OVERLONG"))
status = OVERLONG;
else if (!strcmp (tmp, "MALFORMED"))
status = MALFORMED;
else
croak ("Invalid status on line %d\n", line);
if (status != VALID && status != NOTUNICODE)
state++; /* No UCS-4 data */
break;
case 2:
/* UCS-4 version */
p = strtok (tmp, " \t");
while (p)
{
gchar *endptr;
gunichar ch = strtoul (p, &endptr, 16);
if (*endptr != '\0')
croak ("Invalid UCS-4 character on line %d\n", line);
g_array_append_val (ucs4, ch);
p = strtok (NULL, " \t");
}
break;
}
g_free (tmp);
state = (state + 1) % 3;
if (state == 0)
{
process (start_line, utf8, status, (gunichar *)ucs4->data, ucs4->len);
g_array_set_size (ucs4, 0);
g_free (utf8);
}
next_line:
p = end;
if (*p && *p == '\r')
p++;
if (*p && *p == '\n')
p++;
line++;
}
return exit_status;
}