Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 1 | #include <assert.h> |
| 2 | #include <oer_support.c> |
| 3 | |
| 4 | static char buffer[128]; |
| 5 | |
| 6 | static int fill_buffer(const void *data, size_t size, void *app_key) { |
| 7 | size_t *offset = (size_t *)app_key; |
| 8 | assert(*offset + size < sizeof(buffer)); |
| 9 | memcpy(&buffer[*offset], data, size); |
| 10 | *offset += size; |
| 11 | return 0; |
| 12 | } |
| 13 | |
Lev Walkin | 6cbed3d | 2017-10-07 16:42:41 -0700 | [diff] [blame] | 14 | #define CHECK(a, b) check_round_trip(__LINE__, a, b) |
| 15 | |
Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 16 | static void |
Lev Walkin | 6cbed3d | 2017-10-07 16:42:41 -0700 | [diff] [blame] | 17 | check_round_trip(int lineno, int ok, size_t length) { |
| 18 | fprintf(stderr, "%03d: Round-trip for %zu\n", lineno, length); |
Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 19 | |
| 20 | /* Serialize */ |
| 21 | size_t enc_len = 0; |
Lev Walkin | 6cbed3d | 2017-10-07 16:42:41 -0700 | [diff] [blame] | 22 | ssize_t enc_len_len = oer_serialize_length(length, fill_buffer, &enc_len); |
| 23 | assert(enc_len_len > 0); |
Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 24 | assert(enc_len == enc_len_len); |
| 25 | |
| 26 | /* Deserialize */ |
| 27 | size_t recovered_length = 0; |
| 28 | for(size_t part = 0; part < enc_len; part++) { |
| 29 | size_t ret = oer_fetch_length(buffer, part, &recovered_length); |
| 30 | assert(ret == 0); /* More data expected. */ |
| 31 | } |
Lev Walkin | 6cbed3d | 2017-10-07 16:42:41 -0700 | [diff] [blame] | 32 | ssize_t dec_len = oer_fetch_length(buffer, enc_len, &recovered_length); |
| 33 | if(ok) { |
| 34 | assert(dec_len == enc_len); |
| 35 | if(recovered_length != length) { |
| 36 | fprintf(stderr, |
| 37 | "Round-trip failed %zu->%zu (encoded %zd, decoded %zd)\n", |
| 38 | length, recovered_length, enc_len, dec_len); |
| 39 | assert(recovered_length == length); |
| 40 | } |
| 41 | } else { |
| 42 | assert(dec_len == -1); |
Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 43 | } |
| 44 | } |
| 45 | |
| 46 | int main() { |
Lev Walkin | 6cbed3d | 2017-10-07 16:42:41 -0700 | [diff] [blame] | 47 | int bits64 = sizeof(size_t) > 4; |
Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 48 | |
Lev Walkin | 6cbed3d | 2017-10-07 16:42:41 -0700 | [diff] [blame] | 49 | CHECK(1, 0); |
| 50 | CHECK(1, 1); |
| 51 | CHECK(1, 127); |
| 52 | CHECK(1, 128); |
| 53 | CHECK(1, 129); |
| 54 | CHECK(1, 255); |
| 55 | CHECK(1, 256); |
| 56 | CHECK(1, 65534); |
| 57 | CHECK(1, 65535); |
| 58 | CHECK(1, 65536); |
| 59 | CHECK(1, 65538); |
| 60 | CHECK(1, 16000000); |
| 61 | CHECK(1, 16777216); |
| 62 | CHECK(bits64, 2147483648); |
| 63 | CHECK(bits64, 4294967295UL); |
Lev Walkin | d17cf88 | 2017-10-01 22:46:23 -0700 | [diff] [blame] | 64 | |
| 65 | } |
| 66 | |