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Add a fuzzer for json_document

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fuzzer-parse_json_view.cpp checks for every input that
json_document::accept agrees with json::accept, that an accepted input
materializes to the value json::parse returns, and that a rejected input
makes both throw the same exception with the same message. It is built
like the other fuzzers (tests/Makefile, and the root Makefile's
fuzz_testing_json_view target, which starts from the JSON test corpus) and
listed in tests/fuzzing.md.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-30 20:58:31 +02:00
parent ad73c78923
commit 2f7d2548e1
4 changed files with 120 additions and 1 deletions
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tests/Makefile
+4 -1
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@@ -10,12 +10,15 @@ CXXFLAGS += -std=c++11
CPPFLAGS += -I ../single_include
FUZZER_ENGINE = src/fuzzer-driver_afl.cpp
FUZZERS = parse_afl_fuzzer parse_bson_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer parse_ubjson_fuzzer parse_bjdata_fuzzer parse_bon8_fuzzer
FUZZERS = parse_afl_fuzzer parse_bson_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer parse_ubjson_fuzzer parse_bjdata_fuzzer parse_bon8_fuzzer parse_json_view_fuzzer
fuzzers: $(FUZZERS)
parse_afl_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_json.cpp -o $@
parse_json_view_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_json_view.cpp -o $@
parse_bson_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_bson.cpp -o $@