abbreviate test if data set is empty, and report accordingly

Tests/Functional/Core/Std/Check.cpp

@@ -17,6 +17,7 @@
 #include "Base/Util/FileSystemUtils.h"
 #include "Core/Simulation/ISimulation.h"
 #include "Device/Data/DataUtils.h"
+#include "Device/Histo/IHistogram.h"
 #include "Device/Histo/IntensityDataIOFactory.h"
 #include "Device/Histo/SimulationResult.h"
 #include <iostream>
@@ -27,7 +28,13 @@ bool checkSimulation(const std::string& name, const ISimulation& direct_simulati
                      const double limit)
 {
     // Run simulation directly.
-    const auto result_data = direct_simulation.result().data();
+    const std::unique_ptr<OutputData<double>> result_data = direct_simulation.result().data();
+
+    const std::unique_ptr<const IHistogram> histo(IHistogram::createHistogram(*result_data));
+    if (histo->getMinimum()==0 && histo->getMaximum()==0) {
+        std::cerr << "FAILED: simulated data set is empty\n";
+        return false;
+    }
 
     std::unique_ptr<OutputData<double>> reference;