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base64: Add tests for incremental decoding with very small block size

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At the moment, sizes 1-3 are commented out since they fail, but
a future patch will fix that.

https://bugzilla.gnome.org/show_bug.cgi?id=694843
This commit is contained in:
Colin Walters 2013-03-01 13:29:29 -05:00
parent f641699299
commit 27b19cee1b
1 changed files with 53 additions and 0 deletions
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53
glib/tests/base64.c
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@ -332,6 +332,48 @@ test_base64_encode_decode (void)
} }
} }
static void
test_base64_decode_smallblock (gconstpointer blocksize_p)
{
const guint blocksize = GPOINTER_TO_UINT (blocksize_p);
guint i;
for (i = 0; ok_100_encode_strs[i]; i++)
{
const char *str = ok_100_encode_strs[i];
const char *p;
gsize len = strlen (str);
gint state = 0;
guint save = 0;
guchar *decoded;
gsize decoded_size = 0;
guchar *decoded_atonce;
gsize decoded_atonce_size = 0;
decoded = g_malloc (len / 4 * 3 + 3);
p = str;
while (len > 0)
{
int chunk_len = MIN (blocksize, len);
gsize size = g_base64_decode_step (p, chunk_len,
decoded + decoded_size,
&state, &save);
decoded_size += size;
len -= chunk_len;
p += chunk_len;
}
decoded_atonce = g_base64_decode (str, &decoded_atonce_size);
g_assert_cmpint (decoded_size, ==, decoded_atonce_size);
g_assert (memcmp (decoded, decoded_atonce, decoded_size) == 0);
g_free (decoded);
g_free (decoded_atonce);
}
}
int int
main (int argc, char *argv[]) main (int argc, char *argv[])
@ -366,5 +408,16 @@ main (int argc, char *argv[])
g_test_add_func ("/base64/decode-inplace", test_base64_decode_inplace); g_test_add_func ("/base64/decode-inplace", test_base64_decode_inplace);
g_test_add_func ("/base64/encode-decode", test_base64_encode_decode); g_test_add_func ("/base64/encode-decode", test_base64_encode_decode);
/*
g_test_add_data_func ("/base64/incremental/smallblock/1", GINT_TO_POINTER(1),
test_base64_decode_smallblock);
g_test_add_data_func ("/base64/incremental/smallblock/2", GINT_TO_POINTER(2),
test_base64_decode_smallblock);
g_test_add_data_func ("/base64/incremental/smallblock/3", GINT_TO_POINTER(3),
test_base64_decode_smallblock);
*/
g_test_add_data_func ("/base64/incremental/smallblock/4", GINT_TO_POINTER(4),
test_base64_decode_smallblock);
return g_test_run (); return g_test_run ();
} }