nimbus-eth2/tests/fuzzing/ssz_fuzzing.nim

32 lines
779 B
Nim

import
testutils/fuzzing, faststreams/inputs,
../../beacon_chain/ssz,
../../beacon_chain/spec/[datatypes, crypto, digest, datatypes]
export
ssz, datatypes, crypto, digest, fuzzing
template sszFuzzingTest*(T: type) =
test:
block:
let input = unsafeMemoryInput(payload)
let decoded = try: input.readValue(SSZ, T)
except SSZError: break
if input.len.get > 0:
# Some unconsumed input remained, this is not a valid test case
break
let reEncoded = SSZ.encode(decoded)
if payload != reEncoded:
echo "Payload with len = ", payload.len
echo payload
echo "Re-encoided payload with len = ", reEncoded.len
echo reEncoded
echo repr(decoded)
doAssert false