test_blob_subblob (fixture_t *fixture, gconstpointer user_data)
{
hb_blob_t *b = fixture->blob;
+ hb_memory_mode_t mm = GPOINTER_TO_INT (user_data);
+ unsigned int len;
+ const char *data;
+ char *data_writable;
+ unsigned int i;
- fixture->len -= 2;
- fixture->data++;
- fixture->blob = hb_blob_create_sub_blob (b, 1, fixture->len);
+ if (mm == HB_MEMORY_MODE_DUPLICATE) {
+ g_assert_cmpint (fixture->freed, ==, 1);
+ fixture->data = (char *) hb_blob_get_data (b, NULL);
+ } else {
+ g_assert_cmpint (fixture->freed, ==, 0);
+ }
+ fixture->blob = hb_blob_create_sub_blob (b, 1, fixture->len - 2);
hb_blob_destroy (b);
+ b = fixture->blob;
- test_blob (fixture, user_data);
+ /* A sub-blob is always created READONLY. */
- fixture->data--;
- fixture->len += 2;
+ g_assert (b);
+
+ len = hb_blob_get_length (b);
+ g_assert_cmpint (len, ==, fixture->len - 2);
+
+ data = hb_blob_get_data (b, &len);
+ g_assert_cmpint (len, ==, fixture->len - 2);
+ g_assert (data == fixture->data + 1);
+
+ data_writable = hb_blob_get_data_writable (b, &len);
+ g_assert_cmpint (len, ==, fixture->len - 2);
+ g_assert (data_writable);
+ if (mm == HB_MEMORY_MODE_READONLY)
+ g_assert (0 == memcmp (data_writable, fixture->data + 1, fixture->len - 2));
+ g_assert (data_writable != data);
+ g_assert_cmpint (fixture->freed, ==, 1);
+
+ data = hb_blob_get_data (b, &len);
+ g_assert_cmpint (len, ==, fixture->len - 2);
+ g_assert (data == data_writable);
+
+ memset (data_writable, 0, fixture->len - 2);
+
+ /* Now, make it immutable and watch get_data_writable() fail */
+
+ g_assert (!hb_blob_is_immutable (b));
+ hb_blob_make_immutable (b);
+ g_assert (hb_blob_is_immutable (b));
+
+ data_writable = hb_blob_get_data_writable (b, &len);
+ g_assert (!data_writable);
+ g_assert_cmpint (len, ==, 0);
+
+ data = hb_blob_get_data (b, &len);
+ g_assert_cmpint (len, ==, fixture->len - 2);
+ for (i = 0; i < len; i++)
+ g_assert ('\0' == data[i]);
}