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| author | practicalswift <practicalswift@users.noreply.github.com> | 2020-03-27 21:12:28 +0000 |
|---|---|---|
| committer | practicalswift <practicalswift@users.noreply.github.com> | 2020-03-29 13:17:04 +0000 |
| commit | f205cf7fef5618aaa96f016fda168eedfd9da437 (patch) | |
| tree | 7086a7a15fef3e872683042ea85861b9a85ee8df /src | |
| parent | 9718f38f54357f15b8a27e060aed56f91015112d (diff) | |
| download | bitcoin-f205cf7fef5618aaa96f016fda168eedfd9da437.tar.xz | |
tests: Add fuzzing harness for functions/classes in span.h
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.test.include | 7 | ||||
| -rw-r--r-- | src/test/fuzz/span.cpp | 39 |
2 files changed, 46 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 16a23a073f..c01c9fc52a 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -100,6 +100,7 @@ FUZZ_TARGETS = \ test/fuzz/service_deserialize \ test/fuzz/signature_checker \ test/fuzz/snapshotmetadata_deserialize \ + test/fuzz/span \ test/fuzz/spanparsing \ test/fuzz/string \ test/fuzz/strprintf \ @@ -872,6 +873,12 @@ test_fuzz_snapshotmetadata_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) test_fuzz_snapshotmetadata_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_snapshotmetadata_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp +test_fuzz_span_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_span_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_span_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_span_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_span_SOURCES = $(FUZZ_SUITE) test/fuzz/span.cpp + test_fuzz_spanparsing_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) test_fuzz_spanparsing_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_spanparsing_LDADD = $(FUZZ_SUITE_LD_COMMON) diff --git a/src/test/fuzz/span.cpp b/src/test/fuzz/span.cpp new file mode 100644 index 0000000000..4aea530ef2 --- /dev/null +++ b/src/test/fuzz/span.cpp @@ -0,0 +1,39 @@ +// Copyright (c) 2020 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include <span.h> +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <test/fuzz/util.h> + +#include <cassert> +#include <cstddef> +#include <cstdint> +#include <string> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); + + std::string str = fuzzed_data_provider.ConsumeBytesAsString(32); + const Span<const char> span = MakeSpan(str); + (void)span.data(); + (void)span.begin(); + (void)span.end(); + if (span.size() > 0) { + const std::ptrdiff_t idx = fuzzed_data_provider.ConsumeIntegralInRange<std::ptrdiff_t>(0U, span.size() - 1U); + (void)span.first(idx); + (void)span.last(idx); + (void)span.subspan(idx); + (void)span.subspan(idx, span.size() - idx); + (void)span[idx]; + } + + std::string another_str = fuzzed_data_provider.ConsumeBytesAsString(32); + const Span<const char> another_span = MakeSpan(another_str); + assert((span <= another_span) != (span > another_span)); + assert((span == another_span) != (span != another_span)); + assert((span >= another_span) != (span < another_span)); +} |