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//        MueLu: A package for multigrid based preconditioning
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#include <Teuchos_UnitTestHarness.hpp>
#include <Teuchos_XMLParameterListHelpers.hpp>

#include <MueLu_TestHelpers.hpp>

#include <MueLu_ParameterListInterpreter.hpp>
#include <MueLu_Exceptions.hpp>

namespace MueLuTests {

  TEUCHOS_UNIT_TEST_TEMPLATE_4_DECL(ParameterListInterpreter, SetParameterList, Scalar, LocalOrdinal, GlobalOrdinal, Node)
  {
#   include <MueLu_UseShortNames.hpp>
    MUELU_TESTING_SET_OSTREAM;
    MUELU_TESTING_LIMIT_SCOPE(Scalar,GlobalOrdinal,Node);
#if defined(HAVE_MUELU_TPETRA) && defined(HAVE_MUELU_EPETRA) && defined(HAVE_MUELU_IFPACK) && defined(HAVE_MUELU_IFPACK2) && defined(HAVE_MUELU_AMESOS) && defined(HAVE_MUELU_AMESOS2)

    RCP<Matrix> A = TestHelpers::TestFactory<SC, LO, GO, NO>::Build1DPoisson(99);
    RCP<const Teuchos::Comm<int> > comm = TestHelpers::Parameters::getDefaultComm();

    ArrayRCP<std::string> fileList = TestHelpers::GetFileList(std::string("ParameterList/ParameterListInterpreter/"), std::string(".xml"));

    for(int i=0; i< fileList.size(); i++) {
      out << "Processing file: " << fileList[i] << std::endl;
      ParameterListInterpreter mueluFactory("ParameterList/ParameterListInterpreter/" + fileList[i],*comm);

      RCP<Hierarchy> H = mueluFactory.CreateHierarchy();
      H->GetLevel(0)->Set("A", A);

      mueluFactory.SetupHierarchy(*H);

      //TODO: check no unused parameters
      //TODO: check results of Iterate()
    }

#   else
    out << "Skipping test because some required packages are not enabled (Tpetra, Epetra, EpetraExt, Ifpack, Ifpack2, Amesos, Amesos2)." << std::endl;
#   endif
  }
#define MUELU_ETI_GROUP(Scalar, LocalOrdinal, GlobalOrdinal, Node) \
  TEUCHOS_UNIT_TEST_TEMPLATE_4_INSTANT(ParameterListInterpreter, SetParameterList, Scalar, LocalOrdinal, GlobalOrdinal, Node)

#include <MueLu_ETI_4arg.hpp>

} // namespace MueLuTests

// TODO: some tests of the parameter list parser can be done without building the Hierarchy.
