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tests: Add amount compression/decompression fuzzing to existing fuzzing harness: test compression round-trip

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practicalswift 2020-01-13 15:08:52 +00:00
parent a51aa2880d
commit 4a7fd7a712
1 changed files with 9 additions and 1 deletions
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10
src/test/fuzz/integer.cpp
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@ -2,6 +2,7 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <amount.h>
#include <arith_uint256.h>
#include <compressor.h>
#include <consensus/merkle.h>
@ -56,7 +57,14 @@ void test_one_input(const std::vector<uint8_t>& buffer)
const Consensus::Params& consensus_params = Params().GetConsensus();
(void)CheckProofOfWork(u256, u32, consensus_params);
(void)CompressAmount(u64);
if (u64 <= MAX_MONEY) {
const uint64_t compressed_money_amount = CompressAmount(u64);
assert(u64 == DecompressAmount(compressed_money_amount));
static const uint64_t compressed_money_amount_max = CompressAmount(MAX_MONEY - 1);
assert(compressed_money_amount <= compressed_money_amount_max);
} else {
(void)CompressAmount(u64);
}
static const uint256 u256_min(uint256S("0000000000000000000000000000000000000000000000000000000000000000"));
static const uint256 u256_max(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
const std::vector<uint256> v256{u256, u256_min, u256_max};