66e0d9c285
Add a roundtrip check for `bigsize_put()` using `bigsize_get()`. This enforces a stricter check for the former and adds a test for the latter, which is currently untested.
36 lines
930 B
C
36 lines
930 B
C
#include "config.h"
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#include <assert.h>
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#include <common/bigsize.h>
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#include <tests/fuzz/libfuzz.h>
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void init(int *argc, char ***argv)
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{
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}
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void run(const uint8_t *data, size_t size)
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{
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uint8_t *wire_buff, buff[BIGSIZE_MAX_LEN];
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const uint8_t **wire_chunks, *wire_ptr;
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size_t wire_max;
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for (size_t chunk_size = 1; chunk_size <= BIGSIZE_MAX_LEN; chunk_size++) {
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wire_chunks = get_chunks(NULL, data, size, chunk_size);
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for (size_t i = 0; i < tal_count(wire_chunks); i++) {
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wire_max = tal_count(wire_chunks[i]);
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wire_ptr = wire_chunks[i];
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bigsize_t bs = fromwire_bigsize(&wire_ptr, &wire_max), bs_decoded;
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assert(bigsize_put(buff, bs) > 0);
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assert(bigsize_len(bs));
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assert(bigsize_get(buff, sizeof(buff), &bs_decoded) == bigsize_len(bs));
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assert(bs_decoded == bs);
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wire_buff = tal_arr(NULL, uint8_t, 8);
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towire_bigsize(&wire_buff, bs);
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tal_free(wire_buff);
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}
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tal_free(wire_chunks);
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}
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}
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