| #include <assert.h> |
| #include <oer_support.c> |
| |
| static char buffer[128]; |
| |
| static int fill_buffer(const void *data, size_t size, void *app_key) { |
| size_t *offset = (size_t *)app_key; |
| assert(*offset + size < sizeof(buffer)); |
| memcpy(&buffer[*offset], data, size); |
| *offset += size; |
| return 0; |
| } |
| |
| static void |
| check_round_trip(size_t length) { |
| fprintf(stderr, "Round-trip for %zu\n", length); |
| |
| /* Serialize */ |
| size_t enc_len = 0; |
| size_t enc_len_len = oer_serialize_length(length, fill_buffer, &enc_len); |
| assert(enc_len == enc_len_len); |
| |
| /* Deserialize */ |
| size_t recovered_length = 0; |
| for(size_t part = 0; part < enc_len; part++) { |
| size_t ret = oer_fetch_length(buffer, part, &recovered_length); |
| assert(ret == 0); /* More data expected. */ |
| } |
| size_t dec_len = oer_fetch_length(buffer, enc_len, &recovered_length); |
| assert(dec_len == enc_len); |
| if(recovered_length != length) { |
| fprintf(stderr, "Round-trip failed %zu->%zu (encoded %zd, decoded %zd)\n", |
| length, recovered_length, enc_len, dec_len); |
| assert(recovered_length == length); |
| } |
| } |
| |
| int main() { |
| |
| check_round_trip(0); |
| check_round_trip(1); |
| check_round_trip(127); |
| check_round_trip(128); |
| check_round_trip(129); |
| check_round_trip(255); |
| check_round_trip(256); |
| check_round_trip(65534); |
| check_round_trip(65535); |
| check_round_trip(65536); |
| check_round_trip(65538); |
| check_round_trip(16000000); |
| check_round_trip(16777216); |
| check_round_trip(2147483648); |
| check_round_trip(4294967296); |
| |
| } |
| |