diff --git a/src/test/validationinterface_tests.cpp b/src/test/validationinterface_tests.cpp index 208be9285..14f09ae90 100644 --- a/src/test/validationinterface_tests.cpp +++ b/src/test/validationinterface_tests.cpp @@ -12,6 +12,42 @@ BOOST_FIXTURE_TEST_SUITE(validationinterface_tests, TestingSetup) +/** +struct TestSubscriberNoop final : public CValidationInterface { + void BlockChecked(const CBlock&, const BlockValidationState&) override {} +}; + +BOOST_AUTO_TEST_CASE(unregister_validation_interface_race) +{ + std::atomic generate{true}; + + // Start thread to generate notifications + std::thread gen{[&] { + const CBlock block_dummy; + const BlockValidationState state_dummy; + while (generate) { + GetMainSignals().BlockChecked(block_dummy, state_dummy); + } + }}; + + // Start thread to consume notifications + std::thread sub{[&] { + // keep going for about 1 sec, which is 250k iterations + for (int i = 0; i < 250000; i++) { + TestSubscriberNoop sub{}; + RegisterValidationInterface(&sub); + UnregisterValidationInterface(&sub); + } + // tell the other thread we are done + generate = false; + }}; + + gen.join(); + sub.join(); + BOOST_CHECK(!generate); +} +*/ + class TestInterface : public CValidationInterface { public: