// Copyright (c) 2013, Sandia Corporation.
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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#include <gtest/gtest.h>                // for AssertHelper, EXPECT_THROW, etc
#include <stdexcept>                    // for runtime_error
#include <stk_unit_test_utils/ioUtils.hpp>  // for fill_mesh_using_stk_io
#include <string>                       // for string
#include "mpi.h"                        // for MPI_COMM_WORLD, MPI_Comm, etc
#include "stk_mesh/base/BulkData.hpp"   // for BulkData
#include "stk_mesh/base/BulkDataInlinedMethods.hpp"
#include "stk_mesh/base/Entity.hpp"     // for Entity
#include "stk_mesh/base/MetaData.hpp"   // for MetaData
#include "stk_mesh/base/Types.hpp"      // for PartVector
#include "stk_topology/topology.hpp"    // for topology, etc

namespace
{

TEST(UnitTestChangeParts, test_throw_on_internal_part_change)
{
    const int spatialDim = 3;
    stk::mesh::MetaData metaData(spatialDim);
    MPI_Comm communicator = MPI_COMM_WORLD;
    stk::mesh::BulkData bulkData(metaData, communicator);

    std::string generatedMeshSpec = "generated:1x1x4";
    stk::unit_test_util::fill_mesh_using_stk_io(generatedMeshSpec, bulkData, communicator);

    stk::mesh::Entity node = bulkData.get_entity(stk::topology::NODE_RANK, 1);

    stk::mesh::PartVector addParts;
    stk::mesh::PartVector removeParts;

    addParts.push_back(&metaData.locally_owned_part());
    EXPECT_THROW(bulkData.change_entity_parts(node, addParts, removeParts), std::runtime_error);

    addParts.clear();
    addParts.push_back(&metaData.globally_shared_part());
    EXPECT_THROW(bulkData.change_entity_parts(node, addParts, removeParts), std::runtime_error);

    addParts.clear();
    removeParts.push_back(&metaData.locally_owned_part());
    EXPECT_THROW(bulkData.change_entity_parts(node, addParts, removeParts), std::runtime_error);

    removeParts.clear();
    removeParts.push_back(&metaData.globally_shared_part());
    EXPECT_THROW(bulkData.change_entity_parts(node, addParts, removeParts), std::runtime_error);
}

}
