# This input illustrates the bug in LineMaterialSamplerBase where the subdomain
# ID of the operated element is not set.

[Mesh]
  [genmesh]
    type = GeneratedMeshGenerator
    dim = 2
    nx = 2
    ny = 4
    xmin = 0
    xmax = 10
    ymin = 0
    ymax = 10
  []
  [mesh0]
    type = SubdomainBoundingBoxGenerator
    input = genmesh
    block_id = 0
    location = INSIDE
    bottom_left = '0 0 0'
    top_right = '10 5 0'
  []
  [mesh01]
    type = SubdomainBoundingBoxGenerator
    input = mesh0
    block_id = 1
    location = INSIDE
    bottom_left = '0 5 0'
    top_right = '10 10 0'
  []
[]

[Problem]
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [some_mat]
    type = GenericConstantMaterial
    prop_names = 'some_property'
    prop_values = '5'
  []
[]

[VectorPostprocessors]
  [k_core_vpp]
    type = LineMaterialRealSampler
    property = some_property
    start = '0 0 0'
    end = '10 0 0'
    sort_by = x
    execute_on = 'INITIAL'
  []
[]