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Niels Lohmann
b2760f273d
The header comment of six of the seven binary-format fuzzer drivers listed an invariant the code does not check: CBOR, MessagePack, BSON and BON8 said "assert(j1 == j2)", but the code checks byte stability, assert(to_X(j2) == vec). UBJSON and BJData still described the old "assert(j1 == j2/j3/j4)" byte-exact check from before PR #5494 replaced it with a use_size/use_type-aware round trip (UBJSON) and a value-stability check (BJData); BJData's added paragraph already explained the new check, but the step list above it did not. Also remove a dead branch in fuzzer-parse_bson.cpp: from_bson() is called with allow_exceptions = true, so it throws instead of returning a discarded value, and the "if (j1.is_discarded()) return 0;" guard could never trigger. Drop the unused <iostream> include from all seven drivers and <sstream> from all but fuzzer-parse_bon8.cpp, which is the only one that uses std::istringstream. Overlaps #5601, which edits all seven drivers in the same hunks. Closes #5714 item 4. Signed-off-by: Niels Lohmann <mail@nlohmann.me>