void testUniformBatch() {
    using namespace RooFit;
    
    RooRealVar x("x", "", 0, 1);
    RooRealVar y("y", "", 0, 1);
    RooArgSet obs(x,y);
    
    RooUniform testUni("testUni", "", obs);
    
    RooRealVar mux("mux", "", 0, -1, 1);
    RooRealVar sigmax("sigmax", "", 0.3, 0.01, 10);
    RooGaussian testGaussx("testGaussx", "", x, mux, sigmax);
    
    RooRealVar muy("muy", "", 0, -1, 1);
    RooRealVar sigmay("sigmay", "", 0.3, 0.01, 10);
    RooGaussian testGaussy("testGaussy", "", y, muy, sigmay);
    
    RooProdPdf testGauss("testGauss", "", RooArgSet(testGaussx, testGaussy));
    
    RooRealVar fraction("fraction", "", 0.5, 0, 1);
    RooAddPdf testAdd("testAdd", "", RooArgList(testUni, testGauss), fraction);
    
    auto data = testAdd.generate(obs, Name("testData"), NumEvents(1000));
    
    auto runContext = data->store()->getBatches(0, 1000);
    
    // assert failure if they are enabled, possible segfault otherwise
    auto pdfVals = testAdd.getValues(runContext, data->get());
    
    // assert failure if they are enabled, possible segfault otherwise
    testAdd.fitTo(*data, Optimize(false), BatchMode(true), Save(true))->Print("V");
    
    // ok
    testAdd.fitTo(*data, Optimize(true), BatchMode(true), Save(true))->Print("V");
    
    // bad workaround
    auto nll = testAdd.createNLL(*data);
    nll->constOptimizeTestStatistic(RooAbsArg::Activate,false);
    
    auto& optData = static_cast<RooAbsOptTestStatistic*>(nll)->data();
    auto& optPdf = (RooAbsPdf&)static_cast<RooAbsOptTestStatistic*>(nll)->function();
    auto optRunContext = optData.store()->getBatches(0, 1000);
    
    // also ok
    optPdf.getValues(optRunContext, optData.get());
    
}