def test_save_and_load_1d_mesh(tempdir, encoding):
filename = os.path.join(tempdir, "mesh.xdmf")
mesh = UnitIntervalMesh(MPI.comm_world, 32)
with XDMFFile(mesh.mpi_comm(), filename, encoding=encoding) as file:
file.write(mesh)
with XDMFFile(MPI.comm_world, filename) as file:
mesh2 = file.read_mesh(cpp.mesh.GhostMode.none)
assert mesh.num_entities_global(0) == mesh2.num_entities_global(0)
dim = mesh.topology.dim
assert mesh.num_entities_global(dim) == mesh2.num_entities_global(dim)
def test_small_mesh():
mesh3d = UnitCubeMesh(MPI.comm_world, 1, 1, 1)
gdim = mesh3d.geometry.dim
assert mesh3d.num_entities_global(gdim) == 6
mesh2d = UnitSquareMesh(MPI.comm_world, 1, 1)
gdim = mesh2d.geometry.dim
assert mesh2d.num_entities_global(gdim) == 2
mesh1d = UnitIntervalMesh(MPI.comm_world, 2)
gdim = mesh1d.geometry.dim
assert mesh1d.num_entities_global(gdim) == 2
