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#include "config.h"
#include <glib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#define DATA_SIZE 1024
#define BLOCK_SIZE 32
#define NUM_BLOCKS 32
static guchar data[DATA_SIZE];
static void
test_incremental (gboolean line_break,
gint length)
{
char *p;
gsize len, decoded_len, max, input_len, block_size;
int state, save;
guint decoder_save;
char *text;
guchar *data2;
data2 = g_malloc (length);
text = g_malloc (length * 4);
len = 0;
state = 0;
save = 0;
input_len = 0;
while (input_len < length)
{
block_size = MIN (BLOCK_SIZE, length - input_len);
len += g_base64_encode_step (data + input_len, block_size,
line_break, text + len, &state, &save);
input_len += block_size;
}
len += g_base64_encode_close (line_break, text + len, &state, &save);
if (line_break)
max = length * 4 / 3 + length * 4 / (3 * 72) + 7;
else
max = length * 4 / 3 + 6;
if (len > max)
{
g_print ("Too long encoded length: got %d, expected max %d\n",
len, max);
exit (1);
}
decoded_len = 0;
state = 0;
decoder_save = 0;
p = text;
while (len > 0)
{
int chunk_len = MIN (BLOCK_SIZE, len);
decoded_len += g_base64_decode_step (p,
chunk_len,
data2 + decoded_len,
&state, &decoder_save);
p += chunk_len;
len -= chunk_len;
}
if (decoded_len != length)
{
g_print ("Wrong decoded length: got %d, expected %d\n",
decoded_len, length);
exit (1);
}
if (memcmp (data, data2, length) != 0)
{
g_print ("Wrong decoded base64 data\n");
exit (1);
}
g_free (text);
g_free (data2);
}
static void
test_full (gint length)
{
char *text;
guchar *data2;
gsize len;
text = g_base64_encode (data, length);
data2 = g_base64_decode (text, &len);
g_free (text);
if (len != length)
{
g_print ("Wrong decoded length: got %d, expected %d\n",
len, length);
exit (1);
}
if (memcmp (data, data2, length) != 0)
{
g_print ("Wrong decoded base64 data\n");
exit (1);
}
g_free (data2);
}
int
main (int argc, char *argv[])
{
int i;
for (i = 0; i < DATA_SIZE; i++)
data[i] = (guchar)i;
test_full (DATA_SIZE);
test_full (1);
test_full (2);
test_full (3);
test_incremental (FALSE, DATA_SIZE);
test_incremental (TRUE, DATA_SIZE);
test_incremental (FALSE, DATA_SIZE - 1);
test_incremental (TRUE, DATA_SIZE - 1);
test_incremental (FALSE, DATA_SIZE - 2);
test_incremental (TRUE, DATA_SIZE - 2);
test_incremental (FALSE, 1);
test_incremental (FALSE, 2);
test_incremental (FALSE, 3);
return 0;
}
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