PetscMFFDMatrixTest Class Reference

Inheritance diagram for PetscMFFDMatrixTest:

Public Member Functions
	LIBMESH_CPPUNIT_TEST_SUITE (PetscMFFDMatrixTest)
	CPPUNIT_TEST (testAssignWithContext)
	CPPUNIT_TEST (testAssignWithoutContext)
	CPPUNIT_TEST_SUITE_END ()
void	setUp ()
void	tearDown ()
void	testAssignWithContext ()
void	testAssignWithoutContext ()

Detailed Description

Definition at line 30 of file petsc_mffd_matrix_test.C.

Member Function Documentation

CPPUNIT_TEST() [1/2]

PetscMFFDMatrixTest::CPPUNIT_TEST

(

testAssignWithContext

)

CPPUNIT_TEST() [2/2]

PetscMFFDMatrixTest::CPPUNIT_TEST

(

testAssignWithoutContext

)

CPPUNIT_TEST_SUITE_END()

PetscMFFDMatrixTest::CPPUNIT_TEST_SUITE_END

(

)

LIBMESH_CPPUNIT_TEST_SUITE()

PetscMFFDMatrixTest::LIBMESH_CPPUNIT_TEST_SUITE

(

PetscMFFDMatrixTest

)

setUp()

void PetscMFFDMatrixTest::setUp ( )

inline

Definition at line 42 of file petsc_mffd_matrix_test.C.

{}

tearDown()

void PetscMFFDMatrixTest::tearDown ( )

inline

Definition at line 43 of file petsc_mffd_matrix_test.C.

{}

testAssignWithContext()

void PetscMFFDMatrixTest::testAssignWithContext ( )

inline

Definition at line 45 of file petsc_mffd_matrix_test.C.

  {
    LOG_UNIT_TEST;
 
    // A real, owned Mat for the wrapper to adopt. init() attaches its own
    // context (pointing at owner) as a side effect.
    PetscMatrixShellMatrix<Number> owner(*TestCommWorld);
    owner.init(TestCommWorld->size(), TestCommWorld->size(), 1, 1);
 
    PetscMFFDMatrix<Number> mffd(*TestCommWorld);
    mffd.assign(owner.mat(), /*set_context=*/true);
 
    CPPUNIT_ASSERT(mffd.mat() == owner.mat());
    CPPUNIT_ASSERT(PetscMatrixBase<Number>::get_context(owner.mat(), *TestCommWorld) == &mffd);
  }

References libMesh::PetscMFFDMatrix< T >::assign(), libMesh::PetscMatrixShellMatrix< T >::init(), libMesh::PetscMatrixBase< T >::mat(), and TestCommWorld.

testAssignWithoutContext()

void PetscMFFDMatrixTest::testAssignWithoutContext ( )

inline

Definition at line 61 of file petsc_mffd_matrix_test.C.

  {
    LOG_UNIT_TEST;
 
    PetscMatrixShellMatrix<Number> owner(*TestCommWorld);
    owner.init(TestCommWorld->size(), TestCommWorld->size(), 1, 1);
 
    {
      PetscMFFDMatrix<Number> mffd(*TestCommWorld);
      mffd.assign(owner.mat(), /*set_context=*/false);
      CPPUNIT_ASSERT(mffd.mat() == owner.mat());
    }
 
    // mffd is now destroyed. Since assign() above didn't attach a context,
    // owner's own context (set by its own init()) must still be intact --
    // this is the dangling-context scenario set_context=false exists to avoid.
    CPPUNIT_ASSERT(PetscMatrixBase<Number>::get_context(owner.mat(), *TestCommWorld) == &owner);
  }

References libMesh::PetscMFFDMatrix< T >::assign(), libMesh::PetscMatrixShellMatrix< T >::init(), libMesh::PetscMatrixBase< T >::mat(), and TestCommWorld.

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

• tests/numerics/petsc_mffd_matrix_test.C