using Test
using DiffOps
using Grids
using SbpOperators
using RegionIndices
using LazyTensors

@test_broken false

@testset "BoundaryValue" begin
    op = readOperator(sbp_operators_path()*"d2_4th.txt",sbp_operators_path()*"h_4th.txt")
    g = EquidistantGrid((3,3), (0.0, 0.0), (1.0,1.0))

    e_w = BoundaryValue(op, g, CartesianBoundary{1,Lower}())
    e_e = BoundaryValue(op, g, CartesianBoundary{1,Upper}())
    e_s = BoundaryValue(op, g, CartesianBoundary{2,Lower}())
    e_n = BoundaryValue(op, g, CartesianBoundary{2,Upper}())

    v = [
        1 2 3;
        4 5 6;
        7 8 9.0;
        10 11 12;
    ]

    @test e_w  isa TensorMapping{T,2,1} where T
    @test e_w' isa TensorMapping{T,1,2} where T

    @test domain_size(e_w, (3,2)) == (2,)
    @test domain_size(e_e, (3,2)) == (2,)
    @test domain_size(e_s, (3,2)) == (3,)
    @test domain_size(e_n, (3,2)) == (3,)


    @test collect(e_w'*v) == [1,4,7.0]

end