MeshSpatialDimensionTest Class Reference

Inheritance diagram for MeshSpatialDimensionTest:

Public Member Functions
	LIBMESH_CPPUNIT_TEST_SUITE (MeshSpatialDimensionTest)
	This unit test tests a few basic things with the new Mesh::spatial_dimension() implementation. More...
	CPPUNIT_TEST (test1D)
	CPPUNIT_TEST (test2D)
	CPPUNIT_TEST_SUITE_END ()
void	setUp ()
void	tearDown ()
void	test1D ()
void	test2D ()

Detailed Description

Definition at line 12 of file spatial_dimension_test.C.

Member Function Documentation

CPPUNIT_TEST() [1/2]

MeshSpatialDimensionTest::CPPUNIT_TEST

(

test1D

)

CPPUNIT_TEST() [2/2]

MeshSpatialDimensionTest::CPPUNIT_TEST

(

test2D

)

CPPUNIT_TEST_SUITE_END()

MeshSpatialDimensionTest::CPPUNIT_TEST_SUITE_END

(

)

LIBMESH_CPPUNIT_TEST_SUITE()

MeshSpatialDimensionTest::LIBMESH_CPPUNIT_TEST_SUITE

(

MeshSpatialDimensionTest

)

This unit test tests a few basic things with the new Mesh::spatial_dimension() implementation.

setUp()

void MeshSpatialDimensionTest::setUp ( )

inline

Definition at line 31 of file spatial_dimension_test.C.

  {
  }

tearDown()

void MeshSpatialDimensionTest::tearDown ( )

inline

Definition at line 35 of file spatial_dimension_test.C.

  {
  }

test1D()

void MeshSpatialDimensionTest::test1D ( )

inline

Definition at line 39 of file spatial_dimension_test.C.

References libMesh::MeshTools::Generation::build_line(), libMesh::EDGE2, mesh, libMesh::MeshBase::mesh_dimension(), libMesh::MeshBase::prepare_for_use(), libMesh::MeshBase::spatial_dimension(), and TestCommWorld.

  {
    LOG_UNIT_TEST;

    // 1.) Test that build_line() produces a Mesh with spatial_dimension==1
    ReplicatedMesh mesh(*TestCommWorld);
    MeshTools::Generation::build_line (mesh, /*n_elem=*/2, /*xmin=*/0., /*xmax=*/1., EDGE2);
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(1), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(1), mesh.spatial_dimension());

    // 2.) Move the nodes in the y-direction, test that spatial_dimension==2
    // The spatial dimension is updated during prepare_for_use().
    for (auto & node : mesh.node_ptr_range())
      (*node)(1) = (*node)(0) * (*node)(0);

    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(1), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.spatial_dimension());


    // 3.) Move nodes back to zero, check that spatial_dimension is *not* decreased
    for (auto & node : mesh.node_ptr_range())
      (*node)(1) = 0.;

    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(1), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.spatial_dimension());


    // 4.) Move z-coordinate of nodes, check that spatial_dimension is now 3.
#if LIBMESH_DIM == 3
    for (auto & node : mesh.node_ptr_range())
      (*node)(2) = (*node)(0) * (*node)(0);

    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(1), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), mesh.spatial_dimension());
#endif
  }

test2D()

void MeshSpatialDimensionTest::test2D ( )

inline

Definition at line 81 of file spatial_dimension_test.C.

References libMesh::MeshTools::Generation::build_square(), mesh, libMesh::MeshBase::mesh_dimension(), libMesh::MeshBase::prepare_for_use(), libMesh::QUAD4, libMesh::MeshBase::set_spatial_dimension(), libMesh::MeshBase::spatial_dimension(), and TestCommWorld.

  {
    LOG_UNIT_TEST;

    // 1.) Test that build_cube() produces a Mesh with spatial_dimension==2
    ReplicatedMesh mesh(*TestCommWorld);
    MeshTools::Generation::build_square (mesh,
                                         /*nx=*/2, /*ny=*/2,
                                         /*xmin=*/0., /*xmax=*/1.,
                                         /*ymin=*/0., /*ymax=*/1.,
                                         QUAD4);
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.spatial_dimension());

    // 2.) Move the nodes in the z-direction, test that spatial_dimension==3
    // The spatial dimension is updated during prepare_for_use().
    for (auto & node : mesh.node_ptr_range())
      (*node)(2) =
        (*node)(0) * (*node)(0) +
        (*node)(1) * (*node)(1);

    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), mesh.spatial_dimension());


    // 3.) Move nodes back to zero, check that spatial_dimension is *not* decreased
    for (auto & node : mesh.node_ptr_range())
      (*node)(2) = 0.;

    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), mesh.spatial_dimension());

    // 4.) The user is allowed to set the spatial dimension, make sure
    // that's honored if it's consistent.
    mesh.set_spatial_dimension(2);
    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.spatial_dimension());

    // 5.) If the user sets a spatial dimension that's not big enough, make sure that
    // prepare_for_use() increases it.
    mesh.set_spatial_dimension(1);
    mesh.prepare_for_use();
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.mesh_dimension());
    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(2), mesh.spatial_dimension());
  }

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The documentation for this class was generated from the following file:

• tests/mesh/spatial_dimension_test.C