diff options
Diffstat (limited to 'test/liberasurecode_test.c')
| -rw-r--r-- | test/liberasurecode_test.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/test/liberasurecode_test.c b/test/liberasurecode_test.c index d1ad516..dc112f9 100644 --- a/test/liberasurecode_test.c +++ b/test/liberasurecode_test.c @@ -768,6 +768,17 @@ static void encode_decode_test_impl(const ec_backend_id_t be_id, free(avail_frags); } +/** + * Note: this test will attempt to reconstruct a single fragment when + * one or more other fragments are missing (specified by skip). + * + * For example, if skip is [0, 0, 0, 1, 0, 0] and we are reconstructing + * fragment 5, then it will test the reconstruction of fragment 5 when 3 + * and 5 are assumed unavailable. + * + * We only mark at most 2 as unavailable, as we cannot guarantee every situation + * will be able to habndle 3 failures. + */ static void reconstruct_test_impl(const ec_backend_id_t be_id, struct ec_args *args, int *skip) @@ -796,15 +807,24 @@ static void reconstruct_test_impl(const ec_backend_id_t be_id, rc = liberasurecode_encode(desc, orig_data, orig_data_size, &encoded_data, &encoded_parity, &encoded_fragment_len); assert(rc == 0); - num_avail_frags = create_frags_array(&avail_frags, encoded_data, - encoded_parity, args, skip); out = malloc(encoded_fragment_len); assert(out != NULL); for (i = 0; i < num_fragments; i++) { + char *cmp = NULL; + // If the current fragment was not chosen as fragments to skip, + // remove it and the chosen fragments to skip from the available list + // and reset its state if (skip[i] == 0) { - continue; + skip[i] = 1; + num_avail_frags = create_frags_array(&avail_frags, encoded_data, + encoded_parity, args, skip); + skip[i] = 0; + // Do not reset the skip state if the fragment was chosen as a fragment + // to skip for this invocation of the test + } else { + num_avail_frags = create_frags_array(&avail_frags, encoded_data, + encoded_parity, args, skip); } - char *cmp = NULL; if (i < args->k) { cmp = encoded_data[i]; } |