add a unit test for the blackoil fluidstate

this requires that the meat of the unit test for fluid states in
opm-material is moved to a publicly accessible place...

tests/test_blackoilfluidstate.cc

@@ -0,0 +1,79 @@
+// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+// vi: set et ts=4 sw=4 sts=4:
+/*
+  Copyright (C) 2012-2016 the contributors of the OPM project.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 2 of the License, or
+  (at your option) any later version.
+
+  OPM is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/*!
+ * \file
+ *
+ * \brief This test makes sure that the programming interface is
+ *        observed by all fluid systems
+ */
+#include "config.h"
+
+#include <opm/material/localad/Evaluation.hpp>
+#include <opm/material/localad/Math.hpp>
+#include <opm/material/checkFluidSystem.hpp>
+
+#include <ewoms/models/blackoil/blackoilmodel.hh>
+#include <ewoms/models/blackoil/blackoilfluidstate.hh>
+
+#include <opm/common/utility/platform_dependent/disable_warnings.h>
+
+// include dune's MPI helper header
+#include <dune/common/version.hh>
+#if DUNE_VERSION_NEWER(DUNE_COMMON, 2,3)
+#include <dune/common/parallel/mpihelper.hh>
+#else
+#include <dune/common/mpihelper.hh>
+#endif
+
+#include <opm/common/utility/platform_dependent/reenable_warnings.h>
+
+// check the API of the black-oil fluid states
+template <class Scalar>
+void testBlackOilFluidState()
+{
+    typedef TTAG(BlackOilModel) TypeTag;
+    typedef typename GET_PROP_TYPE(TypeTag, Evaluation) Evaluation;
+    typedef Ewoms::BlackOilFluidState<TypeTag> FluidState;
+
+    FluidState fs;
+    checkFluidState<Evaluation>(fs);
+}
+
+class TestAdTag;
+
+template <class Scalar>
+inline void testAll()
+{
+    typedef Opm::LocalAd::Evaluation<Scalar, TestAdTag, 3> Evaluation;
+
+    // ensure that all fluid states are API-compliant
+    testBlackOilFluidState<Scalar>();
+    testBlackOilFluidState<Evaluation>();
+}
+
+int main(int argc, char **argv)
+{
+    Dune::MPIHelper::instance(argc, argv);
+    testAll<double>();
+    testAll<float>()
+;
+    return 0;
+}