--- a/test/SbpOperators/boundaryops/normal_derivative_test.jl	Fri Jan 21 15:23:08 2022 +0100
+++ b/test/SbpOperators/boundaryops/normal_derivative_test.jl	Sun Jan 12 21:18:44 2025 +0100
@@ -1,68 +1,59 @@
 using Test
 
-using Sbplib.SbpOperators
-using Sbplib.Grids
-using Sbplib.RegionIndices
-using Sbplib.LazyTensors
-
-import Sbplib.SbpOperators.BoundaryOperator
+using Diffinitive.SbpOperators
+using Diffinitive.Grids
+using Diffinitive.LazyTensors
+using Diffinitive.RegionIndices
+import Diffinitive.SbpOperators.BoundaryOperator
 
 @testset "normal_derivative" begin
-    g_1D = EquidistantGrid(11, 0.0, 1.0)
-    g_2D = EquidistantGrid((11,12), (0.0, 0.0), (1.0,1.0))
+    g_1D = equidistant_grid(0.0, 1.0, 11)
+    g_2D = equidistant_grid((0.0, 0.0), (1.0,1.0), 11, 12)
     @testset "normal_derivative" begin
     	stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=4)
-    	d_closure = parse_stencil(stencil_set["d1"]["closure"])
         @testset "1D" begin
-            d_l = normal_derivative(g_1D, d_closure, Lower())
-            @test d_l == normal_derivative(g_1D, d_closure, CartesianBoundary{1,Lower}())
-            @test d_l isa BoundaryOperator{T,Lower} where T
-            @test d_l isa TensorMapping{T,0,1} where T
+            d_l = normal_derivative(g_1D, stencil_set, LowerBoundary())
+            @test d_l == normal_derivative(g_1D, stencil_set, LowerBoundary())
+            @test d_l isa BoundaryOperator{T,LowerBoundary} where T
+            @test d_l isa LazyTensor{T,0,1} where T
         end
         @testset "2D" begin
-            d_w = normal_derivative(g_2D, d_closure, CartesianBoundary{1,Lower}())
-            d_n = normal_derivative(g_2D, d_closure, CartesianBoundary{2,Upper}())
-            Ix = IdentityMapping{Float64}((size(g_2D)[1],))
-            Iy = IdentityMapping{Float64}((size(g_2D)[2],))
-            d_l = normal_derivative(restrict(g_2D,1),d_closure,Lower())
-            d_r = normal_derivative(restrict(g_2D,2),d_closure,Upper())
+            d_w = normal_derivative(g_2D, stencil_set, CartesianBoundary{1,LowerBoundary}())
+            d_n = normal_derivative(g_2D, stencil_set, CartesianBoundary{2,UpperBoundary}())
+            Ix = IdentityTensor{Float64}((size(g_2D)[1],))
+            Iy = IdentityTensor{Float64}((size(g_2D)[2],))
+            d_l = normal_derivative(g_2D.grids[1], stencil_set, LowerBoundary())
+            d_r = normal_derivative(g_2D.grids[2], stencil_set, UpperBoundary())
+            @test d_w == normal_derivative(g_2D, stencil_set, CartesianBoundary{1,LowerBoundary}())
             @test d_w ==  d_l⊗Iy
             @test d_n ==  Ix⊗d_r
-            @test d_w isa TensorMapping{T,1,2} where T
-            @test d_n isa TensorMapping{T,1,2} where T
+            @test d_w isa LazyTensor{T,1,2} where T
+            @test d_n isa LazyTensor{T,1,2} where T
         end
     end
     @testset "Accuracy" begin
-        v = evalOn(g_2D, (x,y)-> x^2 + (y-1)^2 + x*y)
-        v∂x = evalOn(g_2D, (x,y)-> 2*x + y)
-        v∂y = evalOn(g_2D, (x,y)-> 2*(y-1) + x)
+        v = eval_on(g_2D, (x,y)-> x^2 + (y-1)^2 + x*y)
+        v∂x = eval_on(g_2D, (x,y)-> 2*x + y)
+        v∂y = eval_on(g_2D, (x,y)-> 2*(y-1) + x)
         # TODO: Test for higher order polynomials?
         @testset "2nd order" begin
         	stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=2)
-        	d_closure = parse_stencil(stencil_set["d1"]["closure"])
-            d_w = normal_derivative(g_2D, d_closure, CartesianBoundary{1,Lower}())
-            d_e = normal_derivative(g_2D, d_closure, CartesianBoundary{1,Upper}())
-            d_s = normal_derivative(g_2D, d_closure, CartesianBoundary{2,Lower}())
-            d_n = normal_derivative(g_2D, d_closure, CartesianBoundary{2,Upper}())
+            d_w, d_e, d_s, d_n = normal_derivative.(Ref(g_2D), Ref(stencil_set), boundary_identifiers(g_2D))
 
-            @test d_w*v ≈ v∂x[1,:] atol = 1e-13
-            @test d_e*v ≈ -v∂x[end,:] atol = 1e-13
-            @test d_s*v ≈ v∂y[:,1] atol = 1e-13
-            @test d_n*v ≈ -v∂y[:,end] atol = 1e-13
+            @test d_w*v ≈ -v∂x[1,:] atol = 1e-13
+            @test d_e*v ≈ v∂x[end,:] atol = 1e-13
+            @test d_s*v ≈ -v∂y[:,1] atol = 1e-13
+            @test d_n*v ≈ v∂y[:,end] atol = 1e-13
         end
 
         @testset "4th order" begin
-            stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=2)
-        	d_closure = parse_stencil(stencil_set["d1"]["closure"])
-            d_w = normal_derivative(g_2D, d_closure, CartesianBoundary{1,Lower}())
-            d_e = normal_derivative(g_2D, d_closure, CartesianBoundary{1,Upper}())
-            d_s = normal_derivative(g_2D, d_closure, CartesianBoundary{2,Lower}())
-            d_n = normal_derivative(g_2D, d_closure, CartesianBoundary{2,Upper}())
-
-            @test d_w*v ≈ v∂x[1,:] atol = 1e-13
-            @test d_e*v ≈ -v∂x[end,:] atol = 1e-13
-            @test d_s*v ≈ v∂y[:,1] atol = 1e-13
-            @test d_n*v ≈ -v∂y[:,end] atol = 1e-13
+            stencil_set = read_stencil_set(sbp_operators_path()*"standard_diagonal.toml"; order=4)
+            d_w, d_e, d_s, d_n = normal_derivative.(Ref(g_2D), Ref(stencil_set), boundary_identifiers(g_2D))
+            
+            @test d_w*v ≈ -v∂x[1,:] atol = 1e-13
+            @test d_e*v ≈ v∂x[end,:] atol = 1e-13
+            @test d_s*v ≈ -v∂y[:,1] atol = 1e-13
+            @test d_n*v ≈ v∂y[:,end] atol = 1e-13
         end
     end
 end