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-rw-r--r--src/Makefile.test.include7
-rw-r--r--src/test/fuzz/checkqueue.cpp65
2 files changed, 72 insertions, 0 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 1f1d70d9cd..2a1f1ea73b 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -28,6 +28,7 @@ FUZZ_TARGETS = \
test/fuzz/bloom_filter \
test/fuzz/bloomfilter_deserialize \
test/fuzz/chain \
+ test/fuzz/checkqueue \
test/fuzz/coins_deserialize \
test/fuzz/decode_tx \
test/fuzz/descriptor_parse \
@@ -431,6 +432,12 @@ test_fuzz_chain_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_chain_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_chain_SOURCES = test/fuzz/chain.cpp
+test_fuzz_checkqueue_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
+test_fuzz_checkqueue_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+test_fuzz_checkqueue_LDADD = $(FUZZ_SUITE_LD_COMMON)
+test_fuzz_checkqueue_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
+test_fuzz_checkqueue_SOURCES = test/fuzz/checkqueue.cpp
+
test_fuzz_coins_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DCOINS_DESERIALIZE=1
test_fuzz_coins_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_coins_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
diff --git a/src/test/fuzz/checkqueue.cpp b/src/test/fuzz/checkqueue.cpp
new file mode 100644
index 0000000000..2ed097b827
--- /dev/null
+++ b/src/test/fuzz/checkqueue.cpp
@@ -0,0 +1,65 @@
+// 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 <checkqueue.h>
+#include <optional.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <test/fuzz/util.h>
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace {
+struct DumbCheck {
+ const bool result = false;
+
+ DumbCheck() = default;
+
+ explicit DumbCheck(const bool _result) : result(_result)
+ {
+ }
+
+ bool operator()() const
+ {
+ return result;
+ }
+
+ void swap(DumbCheck& x)
+ {
+ }
+};
+} // namespace
+
+void test_one_input(const std::vector<uint8_t>& buffer)
+{
+ FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
+
+ const unsigned int batch_size = fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(0, 1024);
+ CCheckQueue<DumbCheck> check_queue_1{batch_size};
+ CCheckQueue<DumbCheck> check_queue_2{batch_size};
+ std::vector<DumbCheck> checks_1;
+ std::vector<DumbCheck> checks_2;
+ const int size = fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 1024);
+ for (int i = 0; i < size; ++i) {
+ const bool result = fuzzed_data_provider.ConsumeBool();
+ checks_1.emplace_back(result);
+ checks_2.emplace_back(result);
+ }
+ if (fuzzed_data_provider.ConsumeBool()) {
+ check_queue_1.Add(checks_1);
+ }
+ if (fuzzed_data_provider.ConsumeBool()) {
+ (void)check_queue_1.Wait();
+ }
+
+ CCheckQueueControl<DumbCheck> check_queue_control{&check_queue_2};
+ if (fuzzed_data_provider.ConsumeBool()) {
+ check_queue_control.Add(checks_2);
+ }
+ if (fuzzed_data_provider.ConsumeBool()) {
+ (void)check_queue_control.Wait();
+ }
+}