aboutsummaryrefslogtreecommitdiff
path: root/src/test/fuzz
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/fuzz')
-rw-r--r--src/test/fuzz/float.cpp29
-rw-r--r--src/test/fuzz/util.h2
2 files changed, 29 insertions, 2 deletions
diff --git a/src/test/fuzz/float.cpp b/src/test/fuzz/float.cpp
index adef66a3ee..2f77c8949e 100644
--- a/src/test/fuzz/float.cpp
+++ b/src/test/fuzz/float.cpp
@@ -5,6 +5,7 @@
#include <memusage.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
#include <util/serfloat.h>
#include <version.h>
@@ -17,7 +18,33 @@ FUZZ_TARGET(float)
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
{
- const double d = fuzzed_data_provider.ConsumeFloatingPoint<double>();
+ const double d{[&] {
+ double tmp;
+ CallOneOf(
+ fuzzed_data_provider,
+ // an actual number
+ [&] { tmp = fuzzed_data_provider.ConsumeFloatingPoint<double>(); },
+ // special numbers and NANs
+ [&] { tmp = fuzzed_data_provider.PickValueInArray({
+ std::numeric_limits<double>::infinity(),
+ -std::numeric_limits<double>::infinity(),
+ std::numeric_limits<double>::min(),
+ -std::numeric_limits<double>::min(),
+ std::numeric_limits<double>::max(),
+ -std::numeric_limits<double>::max(),
+ std::numeric_limits<double>::lowest(),
+ -std::numeric_limits<double>::lowest(),
+ std::numeric_limits<double>::quiet_NaN(),
+ -std::numeric_limits<double>::quiet_NaN(),
+ std::numeric_limits<double>::signaling_NaN(),
+ -std::numeric_limits<double>::signaling_NaN(),
+ std::numeric_limits<double>::denorm_min(),
+ -std::numeric_limits<double>::denorm_min(),
+ }); },
+ // Anything from raw memory (also checks that DecodeDouble doesn't crash on any input)
+ [&] { tmp = DecodeDouble(fuzzed_data_provider.ConsumeIntegral<uint64_t>()); });
+ return tmp;
+ }()};
(void)memusage::DynamicUsage(d);
uint64_t encoded = EncodeDouble(d);
diff --git a/src/test/fuzz/util.h b/src/test/fuzz/util.h
index 36b1d5035c..023dcdb3e5 100644
--- a/src/test/fuzz/util.h
+++ b/src/test/fuzz/util.h
@@ -44,7 +44,7 @@ void CallOneOf(FuzzedDataProvider& fuzzed_data_provider, Callables... callables)
const size_t call_index{fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, call_size - 1)};
size_t i{0};
- return ((i++ == call_index ? callables() : void()), ...);
+ ((i++ == call_index ? callables() : void()), ...);
}
template <typename Collection>