[1pncmin] assert that numPhases matches in model and fluidsystem

dumux/porousmediumflow/1pncmin/model.hh

@@ -82,10 +82,8 @@ v = - \frac{k_{r}}{\mu} \mbox{\bf K}
 #include <dumux/porousmediumflow/nonisothermal/vtkoutputfields.hh>
 #include <dumux/material/fluidmatrixinteractions/1p/thermalconductivityaverage.hh>
 
-namespace Dumux
-{
-namespace Properties
-{
+namespace Dumux {
+namespace Properties {
 //////////////////////////////////////////////////////////////////
 // Type tags
 //////////////////////////////////////////////////////////////////
@@ -108,6 +106,11 @@ private:
     using MT = typename GET_PROP_TYPE(TypeTag, ModelTraits);
     using PT = typename GET_PROP_TYPE(TypeTag, SpatialParams)::PermeabilityType;
 
+    static_assert(FSY::numComponents == MT::numComponents(), "Number of components mismatch between model and fluid system");
+    static_assert(FST::numComponents == MT::numComponents(), "Number of components mismatch between model and fluid state");
+    static_assert(FSY::numPhases == MT::numPhases(), "Number of phases mismatch between model and fluid system");
+    static_assert(FST::numPhases == MT::numPhases(), "Number of phases mismatch between model and fluid state");
+
     using Traits = OnePNCVolumeVariablesTraits<PV, FSY, FST, SSY, SST, PT, MT>;
     using NonMinVolVars = OnePNCVolumeVariables<Traits>;
 public: