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annotate test/LazyTensors/lazy_array_test.jl @ 712:de2df1214394 feature/selectable_tests

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Split testfile for LazyTensors
author Jonatan Werpers <jonatan@werpers.com>
date Sat, 20 Feb 2021 20:59:32 +0100
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children 7ef605b8f132
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1 using Test
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2 using Sbplib.LazyTensors
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3 using Sbplib.RegionIndices
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4
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5
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6 @testset "LazyArray" begin
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7 @testset "LazyConstantArray" begin
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8 @test LazyTensors.LazyConstantArray(3,(3,2)) isa LazyArray{Int,2}
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9
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10 lca = LazyTensors.LazyConstantArray(3.0,(3,2))
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11 @test eltype(lca) == Float64
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12 @test ndims(lca) == 2
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13 @test size(lca) == (3,2)
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14 @test lca[2] == 3.0
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15 end
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16 struct DummyArray{T,D, T1<:AbstractArray{T,D}} <: LazyArray{T,D}
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17 data::T1
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18 end
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19 Base.size(v::DummyArray) = size(v.data)
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20 Base.getindex(v::DummyArray{T,D}, I::Vararg{Int,D}) where {T,D} = v.data[I...]
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21
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22 # Test lazy operations
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23 v1 = [1, 2.3, 4]
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24 v2 = [1., 2, 3]
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25 s = 3.4
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26 r_add_v = v1 .+ v2
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27 r_sub_v = v1 .- v2
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28 r_times_v = v1 .* v2
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29 r_div_v = v1 ./ v2
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30 r_add_s = v1 .+ s
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31 r_sub_s = v1 .- s
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32 r_times_s = v1 .* s
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33 r_div_s = v1 ./ s
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34 @test isa(v1 +̃ v2, LazyArray)
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35 @test isa(v1 -̃ v2, LazyArray)
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36 @test isa(v1 *̃ v2, LazyArray)
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37 @test isa(v1 /̃ v2, LazyArray)
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38 @test isa(v1 +̃ s, LazyArray)
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39 @test isa(v1 -̃ s, LazyArray)
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40 @test isa(v1 *̃ s, LazyArray)
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41 @test isa(v1 /̃ s, LazyArray)
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42 @test isa(s +̃ v1, LazyArray)
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43 @test isa(s -̃ v1, LazyArray)
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44 @test isa(s *̃ v1, LazyArray)
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45 @test isa(s /̃ v1, LazyArray)
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46 for i ∈ eachindex(v1)
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47 @test (v1 +̃ v2)[i] == r_add_v[i]
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48 @test (v1 -̃ v2)[i] == r_sub_v[i]
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49 @test (v1 *̃ v2)[i] == r_times_v[i]
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50 @test (v1 /̃ v2)[i] == r_div_v[i]
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51 @test (v1 +̃ s)[i] == r_add_s[i]
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52 @test (v1 -̃ s)[i] == r_sub_s[i]
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53 @test (v1 *̃ s)[i] == r_times_s[i]
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54 @test (v1 /̃ s)[i] == r_div_s[i]
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55 @test (s +̃ v1)[i] == r_add_s[i]
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56 @test (s -̃ v1)[i] == -r_sub_s[i]
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57 @test (s *̃ v1)[i] == r_times_s[i]
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58 @test (s /̃ v1)[i] == 1/r_div_s[i]
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59 end
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60 @test_throws BoundsError (v1 +̃ v2)[4]
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61 v2 = [1., 2, 3, 4]
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62 # Test that size of arrays is asserted when not specified inbounds
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63 # TODO: Replace these errors with SizeMismatch
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64 @test_throws DimensionMismatch v1 +̃ v2
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65
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66 # Test operations on LazyArray
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67 v1 = DummyArray([1, 2.3, 4])
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68 v2 = [1., 2, 3]
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69 @test isa(v1 + v2, LazyArray)
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70 @test isa(v2 + v1, LazyArray)
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71 @test isa(v1 - v2, LazyArray)
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72 @test isa(v2 - v1, LazyArray)
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73 for i ∈ eachindex(v2)
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74 @test (v1 + v2)[i] == (v2 + v1)[i] == r_add_v[i]
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75 @test (v1 - v2)[i] == -(v2 - v1)[i] == r_sub_v[i]
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76 end
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77 @test_throws BoundsError (v1 + v2)[4]
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78 v2 = [1., 2, 3, 4]
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79 # Test that size of arrays is asserted when not specified inbounds
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80 # TODO: Replace these errors with SizeMismatch
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81 @test_throws DimensionMismatch v1 + v2
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82 end
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83
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84
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85 @testset "LazyFunctionArray" begin
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86 @test LazyFunctionArray(i->i^2, (3,)) == [1,4,9]
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87 @test LazyFunctionArray((i,j)->i*j, (3,2)) == [
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88 1 2;
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89 2 4;
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90 3 6;
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91 ]
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92
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93 @test size(LazyFunctionArray(i->i^2, (3,))) == (3,)
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94 @test size(LazyFunctionArray((i,j)->i*j, (3,2))) == (3,2)
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95
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96 @inferred LazyFunctionArray(i->i^2, (3,))[2]
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97
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98 @test_throws BoundsError LazyFunctionArray(i->i^2, (3,))[4]
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99 @test_throws BoundsError LazyFunctionArray((i,j)->i*j, (3,2))[4,2]
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100 @test_throws BoundsError LazyFunctionArray((i,j)->i*j, (3,2))[2,3]
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101
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102 end