The following issues were found

src/mongo/db/repl/rollback_checker_test.cpp
1 issues
syntax error
Error

Line: 77 

                  return _rollbackChecker.get();
}

TEST_F(RollbackCheckerTest, InvalidConstruction) {
    HostAndPort syncSource;

    // Null executor.
    ASSERT_THROWS_CODE(
        RollbackChecker(nullptr, syncSource), AssertionException, ErrorCodes::BadValue);

Reported by Cppcheck.

src/mongo/db/repl/rollback_impl_test.cpp
1 issues
syntax error
Error

Line: 486 

                  ASSERT_EQUALS(ErrorCodes::CollectionIsEmpty, iter->next().getStatus());
}

TEST_F(RollbackImplTest, TestFixtureSetUpInitializesStorageEngine) {
    auto serviceContext = getServiceContext();
    ASSERT_TRUE(serviceContext);
    ASSERT_TRUE(serviceContext->getStorageEngine());
}

Reported by Cppcheck.

src/mongo/db/repl/rollback_source_impl.cpp
1 issues
Shifting by a negative value is undefined behaviour
Error

Line: 69 CWE codes: 758 

              }

BSONObj RollbackSourceImpl::getLastOperation() const {
    const Query query = Query().sort(BSON("$natural" << -1));
    return _getConnection()->findOne(_collectionName,
                                     query,
                                     nullptr,
                                     QueryOption_SecondaryOk,
                                     ReadConcernArgs::kImplicitDefault);

Reported by Cppcheck.

src/mongo/db/repl/rs_rollback_test.cpp
1 issues
Syntax Error: AST broken, binary operator '==' doesn't have two operands.
Error

Line: 2901 

              
    // Remove from the middle.
    fui.removeAllDocsToRefetchFor(uuid2);
    ASSERT((fui.docsToRefetch ==
            DocSet{
                DocID::minFor(uuid1),
                DocID{{}, normalKey, uuid1},
                DocID::maxFor(uuid1),

Reported by Cppcheck.

src/mongo/db/repl/scatter_gather_test.cpp
1 issues
syntax error
Error

Line: 156 

              // Confirm that deleting both the ScatterGatherTestAlgorithm and ScatterGatherRunner while
// scheduled callbacks still exist will not be unsafe (ASAN builder) after the algorithm has
// completed.
TEST_F(ScatterGatherTest, DeleteAlgorithmAfterItHasCompleted) {
    auto sga = std::make_shared<ScatterGatherTestAlgorithm>();
    ScatterGatherRunner* sgr = new ScatterGatherRunner(sga, &getExecutor(), "test");
    bool ranCompletion = false;
    StatusWith<executor::TaskExecutor::EventHandle> status = sgr->start();
    ASSERT_OK(getExecutor()

Reported by Cppcheck.

src/mongo/db/repl/speculative_majority_read_info_test.cpp
1 issues
syntax error
Error

Line: 45 

                  ASSERT_FALSE(readInfo.isSpeculativeRead());
}

DEATH_TEST(SpeculativeMajorityReadInfo,
           NonSpeculativeReadCannotRetrieveOpTime,
           "Invariant failure") {
    SpeculativeMajorityReadInfo readInfo;
    ASSERT_FALSE(readInfo.isSpeculativeRead());
    readInfo.getSpeculativeReadTimestamp();

Reported by Cppcheck.

src/mongo/db/repl/split_horizon_test.cpp
1 issues
syntax error
Error

Line: 80 

                  return forwardMapping;
}

TEST(SplitHorizonTesting, determineHorizon) {
    struct Input {
        SplitHorizon::ForwardMapping forwardMapping;  // Will get "__default" added to it.
        SplitHorizon::Parameters horizonParameters;

        Input(const MappingType& mapping, boost::optional<std::string> sniName)

Reported by Cppcheck.

src/mongo/db/repl/storage_interface_impl_test.cpp
1 issues
syntax error
Error

Line: 229 

                  ReplicationCoordinatorMock* _replicationCoordinatorMock = nullptr;
};

TEST_F(StorageInterfaceImplTest, ServiceContextDecorator) {
    auto serviceContext = getServiceContext();
    ASSERT_FALSE(StorageInterface::get(serviceContext));
    StorageInterface* storage = new StorageInterfaceImpl();
    StorageInterface::set(serviceContext, std::unique_ptr<StorageInterface>(storage));
    ASSERT_TRUE(storage == StorageInterface::get(serviceContext));

Reported by Cppcheck.

src/mongo/db/repl/sync_source_resolver_test.cpp
1 issues
syntax error
Error

Line: 166 

                  return bob.obj();
}

TEST_F(SyncSourceResolverTest, InvalidConstruction) {
    SyncSourceSelectorMock selector;
    const OpTime lastOpTimeFetched(Timestamp(Seconds(100), 1U), 1LL);
    const OpTime requiredOpTime;
    auto onCompletion = [](const SyncSourceResolverResponse&) {};

Reported by Cppcheck.

src/mongo/db/repl/task_runner_test.cpp
1 issues
syntax error
Error

Line: 49 

              
using Task = TaskRunner::Task;

TEST_F(TaskRunnerTest, InvalidConstruction) {
    // Null thread pool.
    ASSERT_THROWS_CODE_AND_WHAT(
        TaskRunner(nullptr), AssertionException, ErrorCodes::BadValue, "null thread pool");
}

Reported by Cppcheck.