Merge pull request #207 from msm-/afl-fuzz
add support for afl-fuzz testing
This commit is contained in:
commit
ec098ffcc2
2 changed files with 54 additions and 2 deletions
14
Makefile
14
Makefile
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@ -9,7 +9,7 @@ all: json_unit
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# clean up
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# clean up
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clean:
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clean:
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rm -f json_unit json_benchmarks
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rm -f json_unit json_benchmarks fuzz
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##########################################################################
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##########################################################################
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@ -24,6 +24,16 @@ json_unit: test/unit.cpp src/json.hpp test/catch.hpp
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$(CXX) -std=c++11 $(CXXFLAGS) $(FLAGS) $(CPPFLAGS) -I src -I test $< $(LDFLAGS) -o $@
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$(CXX) -std=c++11 $(CXXFLAGS) $(FLAGS) $(CPPFLAGS) -I src -I test $< $(LDFLAGS) -o $@
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##########################################################################
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# fuzzing
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##########################################################################
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fuzz: test/fuzz.cpp src/json.hpp
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$(CXX) -std=c++11 $(CXXFLAGS) $(FLAGS) $(CPPFLAGS) -I src -I test $< $(LDFLAGS) -lstdc++ -lm -o $@
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fuzz_testcases:
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mkdir -p testcases && find test/ -size -5k -name *json | xargs -I{} cp "{}" testcases
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@echo "Test cases suitable for fuzzing have been copied into the testcases directory"
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##########################################################################
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##########################################################################
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# static analyzer
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# static analyzer
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##########################################################################
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##########################################################################
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@ -48,7 +58,7 @@ pretty:
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--indent-col1-comments --pad-oper --pad-header --align-pointer=type \
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--indent-col1-comments --pad-oper --pad-header --align-pointer=type \
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--align-reference=type --add-brackets --convert-tabs --close-templates \
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--align-reference=type --add-brackets --convert-tabs --close-templates \
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--lineend=linux --preserve-date --suffix=none \
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--lineend=linux --preserve-date --suffix=none \
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src/json.hpp src/json.hpp.re2c test/unit.cpp benchmarks/benchmarks.cpp doc/examples/*.cpp
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src/json.hpp src/json.hpp.re2c test/unit.cpp test/fuzz.cpp benchmarks/benchmarks.cpp doc/examples/*.cpp
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##########################################################################
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##########################################################################
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42
test/fuzz.cpp
Normal file
42
test/fuzz.cpp
Normal file
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@ -0,0 +1,42 @@
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/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (fuzz test support)
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| | |__ | | | | | | version 2.0.0
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|_____|_____|_____|_|___| https://github.com/nlohmann/json
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To run under afl:
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afl-fuzz -i testcases -o output ./fuzz
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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*/
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#include <json.hpp>
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using json = nlohmann::json;
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int main()
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{
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json *jp;
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#ifdef __AFL_HAVE_MANUAL_CONTROL
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while (__AFL_LOOP(1000)) {
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#endif
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jp = new json();
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json j = *jp;
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try {
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j << std::cin;
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} catch (std::invalid_argument e) {
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std::cout << "Invalid argument in parsing" << e.what() << '\n';
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}
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if (j.find("foo") != j.end()) {
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std::cout << "Found a foo";
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}
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std::cout << j.type() << j << std::endl;
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delete jp;
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#ifdef __AFL_HAVE_MANUAL_CONTROL
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}
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#endif
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}
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