--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LazyTensors/test/runtests.jl	Wed Jun 26 15:07:47 2019 +0200
@@ -0,0 +1,130 @@
+using Test
+using LazyTensors
+
+@testset "Generic Mapping methods" begin
+    struct DummyMapping{T,R,D} <: TensorMapping{T,R,D} end
+    LazyTensors.apply(m::DummyMapping{T,R,D}, v, i) 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) == :apply
+end
+
+@testset "Generic Operator methods" begin
+    struct DummyOperator{T,D} <: TensorOperator{T,D} end
+    @test range_size(DummyOperator{Int,2}(), (3,5)) == (3,5)
+    @test domain_size(DummyOperator{Float64, 3}(), (3,3,1)) == (3,3,1)
+end
+
+@testset "Mapping transpose" begin
+    struct DummyMapping{T,R,D} <: TensorMapping{T,R,D} end
+
+    LazyTensors.apply(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply
+    LazyTensors.apply_transpose(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply_transpose
+
+    LazyTensors.range_size(m::DummyMapping{T,R,D}, domain_size) where {T,R,D} = :range_size
+    LazyTensors.domain_size(m::DummyMapping{T,R,D}, range_size) where {T,R,D} = :domain_size
+
+    m = DummyMapping{Float64,2,3}()
+    @test m'' == m
+    @test apply(m',zeros(Float64,(0,0)),0) == :apply_transpose
+    @test apply(m'',zeros(Float64,(0,0,0)),0) == :apply
+    @test apply_transpose(m', zeros(Float64,(0,0,0)),0) == :apply
+
+    @test range_size(m', (0,0)) == :domain_size
+    @test domain_size(m', (0,0,0)) == :range_size
+end
+
+@testset "TensorApplication" begin
+    struct DummyMapping{T,R,D} <: TensorMapping{T,R,D} end
+
+    LazyTensors.apply(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = (:apply,v,i)
+    LazyTensors.apply_transpose(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply_transpose
+
+    LazyTensors.range_size(m::DummyMapping{T,R,D}, domain_size) where {T,R,D} = 2 .* domain_size
+    LazyTensors.domain_size(m::DummyMapping{T,R,D}, range_size) where {T,R,D} = range_size.÷2
+
+
+    m = DummyMapping{Int, 1, 1}()
+    v = [0,1,2]
+    @test m*v isa AbstractVector{Int}
+    @test size(m*v) == 2 .*size(v)
+    @test (m*v)[0] == (:apply,v,0)
+    @test m*m*v isa AbstractVector{Int}
+    @test (m*m*v)[1] == (:apply,m*v,1)
+    @test (m*m*v)[3] == (:apply,m*v,3)
+    @test (m*m*v)[6] == (:apply,m*v,6)
+    @test_broken BoundsError == (m*m*v)[0]
+    @test_broken BoundsError == (m*m*v)[7]
+end
+
+@testset "TensorMapping binary operations" begin
+    struct ScalarMapping{T,R,D} <: TensorMapping{T,R,D}
+        λ::T
+    end
+
+    LazyTensors.apply(m::ScalarMapping{T,R,D}, v, i) where {T,R,D} = m.λ*v[i]
+    LazyTensors.range_size(m::ScalarMapping, domain_size) = domain_size
+    LazyTensors.domain_size(m::ScalarMapping, range_sizes) = range_sizes
+
+    A = ScalarMapping{Float64,1,1}(2.0)
+    B = ScalarMapping{Float64,1,1}(3.0)
+
+    v = [1.1,1.2,1.3]
+
+    for i ∈ eachindex(v)
+        @test ((A+B)*v)[i] == 2*v[i] + 3*v[i]
+    end
+
+    for i ∈ eachindex(v)
+        @test ((A-B)*v)[i] == 2*v[i] - 3*v[i]
+    end
+
+    @test range_size(A+B, (3,)) == range_size(A, (3,)) == range_size(B,(3,))
+    @test domain_size(A+B, (3,)) == domain_size(A, (3,)) == domain_size(B,(3,))
+end
+
+@testset "LazyArray" begin
+    struct DummyArray{T,D, T1<:AbstractArray{T,D}} <: LazyArray{T,D}
+        data::T1
+    end
+    Base.size(v::DummyArray) = size(v.data)
+    Base.getindex(v::DummyArray, I...) = v.data[I...]
+
+    # Test lazy operations
+    v1 = [1, 2.3, 4]
+    v2 = [1., 2, 3]
+    r_add = v1 .+ v2
+    r_sub = v1 .- v2
+    r_times = v1 .* v2
+    r_div = v1 ./ v2
+    @test isa(v1 +̃ v2, LazyArray)
+    @test isa(v1 -̃ v2, LazyArray)
+    @test isa(v1 *̃ v2, LazyArray)
+    @test isa(v1 /̃ v2, LazyArray)
+    for i ∈ eachindex(v1)
+        @test (v1 +̃ v2)[i] == r_add[i]
+        @test (v1 -̃ v2)[i] == r_sub[i]
+        @test (v1 *̃ v2)[i] == r_times[i]
+        @test (v1 /̃ v2)[i] == r_div[i]
+    end
+    @test_throws BoundsError (v1 +̃  v2)[4]
+    v2 = [1., 2, 3, 4]
+    # Test that size of arrays is asserted when not specified inbounds
+    @test_throws DimensionMismatch v1 +̃ v2
+
+    # Test operations on LazyArray
+    v1 = DummyArray([1, 2.3, 4])
+    v2 = [1., 2, 3]
+    @test isa(v1 + v2, LazyArray)
+    @test isa(v2 + v1, LazyArray)
+    @test isa(v1 - v2, LazyArray)
+    @test isa(v2 - v1, LazyArray)
+    for i ∈ eachindex(v2)
+        @test (v1 + v2)[i] == (v2 + v1)[i] == r_add[i]
+        @test (v1 - v2)[i] == -(v2 - v1)[i] == r_sub[i]
+    end
+    @test_throws BoundsError (v1 + v2)[4]
+    v2 = [1., 2, 3, 4]
+    # Test that size of arrays is asserted when not specified inbounds
+    @test_throws DimensionMismatch v1 + v2
+end