--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/LazyTensors/lazy_tensor_test.jl	Mon Mar 21 09:51:07 2022 +0100
@@ -0,0 +1,12 @@
+using Test
+using Sbplib.LazyTensors
+
+@testset "Generic Mapping methods" begin
+    struct DummyMapping{T,R,D} <: LazyTensor{T,R,D} end
+    LazyTensors.apply(m::DummyMapping{T,R,D}, v, I::Vararg{Any,R}) where {T,R,D} = :apply
+    @test range_dim(DummyMapping{Int,2,3}()) == 2
+    @test domain_dim(DummyMapping{Int,2,3}()) == 3
+    @test apply(DummyMapping{Int,2,3}(), zeros(Int, (0,0,0)),0,0) == :apply
+    @test eltype(DummyMapping{Int,2,3}()) == Int
+    @test eltype(DummyMapping{Float64,2,3}()) == Float64
+end