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annotate test/Grids/grid_test.jl @ 1515:b2eaa1ad19c8 feature/grids/componentview

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Move correctness tests of componentview to the tests for ArrayComponentView
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 20 Mar 2024 16:17:53 +0100
parents cfc24f132641
children 8d64f8981bb0
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1 using Test
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2 using Sbplib.Grids
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3 using Sbplib.LazyTensors
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4 using StaticArrays
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5
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6 @testset "Grid" begin
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7 struct DummyGrid{T,D} <: Grid{T,D} end
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8
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9 @test eltype(DummyGrid{Int, 2}) == Int
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10 @test eltype(DummyGrid{Int, 2}()) == Int
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12 @test ndims(DummyGrid{Int, 2}()) == 2
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13
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14 @test coordinate_size(DummyGrid{Int, 1}()) == 1
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15 @test coordinate_size(DummyGrid{SVector{3,Float64}, 2}()) == 3
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16
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17 @test coordinate_size(DummyGrid{SVector{3,Float64}, 2}) == 3
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18
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19 @testset "component_type" begin
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20 @test component_type(DummyGrid{Int,1}()) == Int
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21 @test component_type(DummyGrid{Float64,1}()) == Float64
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22 @test component_type(DummyGrid{Rational,1}()) == Rational
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23
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24 @test component_type(DummyGrid{SVector{3,Int},2}()) == Int
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25 @test component_type(DummyGrid{SVector{2,Float64},3}()) == Float64
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26 @test component_type(DummyGrid{SVector{4,Rational},4}()) == Rational
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28 @test component_type(DummyGrid{Float64,1}) == Float64
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29 @test component_type(DummyGrid{SVector{2,Float64},3}) == Float64
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30 end
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31 end
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32
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33 @testset "eval_on" begin
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34 @test eval_on(ZeroDimGrid(@SVector[1.,2.]), x̄->x̄[1]+x̄[2]) isa LazyArray
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35 @test eval_on(ZeroDimGrid(@SVector[1.,2.]), x̄->x̄[1]+x̄[2]) == fill(3.)
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36 @test eval_on(ZeroDimGrid(@SVector[3.,2.]), x̄->x̄[1]+x̄[2]) == fill(5.)
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37
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38 @test eval_on(ZeroDimGrid(1.), x̄->2x̄) isa LazyArray
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39 @test eval_on(ZeroDimGrid(1.), x̄->2x̄) == fill(2.)
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40
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41 @test eval_on(ZeroDimGrid(@SVector[1.,2.]), π) isa LazyArray
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42 @test eval_on(ZeroDimGrid(@SVector[1.,2.]), π) == fill(π)
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43
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44 @test eval_on(EquidistantGrid(range(0,1,length=4)), x->2x) isa LazyArray
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45 @test eval_on(EquidistantGrid(range(0,1,length=4)), x->2x) == 2 .* range(0,1,length=4)
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47
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48 g = equidistant_grid((5,3), (0.0,0.0), (2.0,1.0))
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49
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50 @test eval_on(g, x̄ -> 0.) isa LazyArray
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51 @test eval_on(g, x̄ -> 0.) == fill(0., (5,3))
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52
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53 @test eval_on(g, x̄ -> sin(x̄[1])*cos(x̄[2])) == map(x̄->sin(x̄[1])*cos(x̄[2]), g)
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54
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55 @test eval_on(g, π) == fill(π, (5,3))
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56
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57 # Vector valued function
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58 @test eval_on(g, x̄ -> @SVector[x̄[2], x̄[1]]) isa LazyArray{SVector{2,Float64}}
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59 @test eval_on(g, x̄ -> @SVector[x̄[2], x̄[1]]) == map(x̄ -> @SVector[x̄[2], x̄[1]], g)
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60
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61 # Multi-argument functions
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62 f(x,y) = sin(x)*cos(y)
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63 @test eval_on(g, f) == map(x̄->f(x̄...), g)
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64 end
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65
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66 @testset "componentview" begin
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67 v = [@SMatrix[1 3; 2 4] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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68
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69 @test componentview(v, 1, 1) isa AbstractArray
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70 @test componentview(v, 1, :) isa AbstractArray
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71
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72 A = @SMatrix[
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73 1 4 7;
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74 2 5 8;
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75 3 6 9;
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76 ]
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77 v = [A .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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78 @test componentview(v, 2:3, 1:2) isa AbstractArray
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79
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80 # Correctness of the result is tested in ArrayComponentView
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81 end
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82
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83 @testset "ArrayComponentView" begin
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84 v = [@SMatrix[1 3; 2 4] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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85
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86 @testset "==" begin
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87 @test ArrayComponentView(v, (1,1)) == ArrayComponentView(v, (1,1))
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88 @test ArrayComponentView(v, (1,1)) == ArrayComponentView(copy(v), (1,1))
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89 @test ArrayComponentView(v, (1,1)) == [1 .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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90 @test [1 .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4] == ArrayComponentView(v, (1,1))
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91 end
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92
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93 @testset "components" begin
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94 # REVIEW: I think we can reduce the index ranges.
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95 v = [@SMatrix[1 3; 2 4] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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96
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97 # switch to indexing in test?
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98 @test ArrayComponentView(v, (1, 1)) == [1 .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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99 @test ArrayComponentView(v, (1, 2)) == [3 .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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100 @test ArrayComponentView(v, (2, 1)) == [2 .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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101
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102 @test ArrayComponentView(v, (1, :)) == [@SVector[1,3] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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103 @test ArrayComponentView(v, (2, :)) == [@SVector[2,4] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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104 @test ArrayComponentView(v, (:, 1)) == [@SVector[1,2] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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105 @test ArrayComponentView(v, (:, 2)) == [@SVector[3,4] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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106
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107
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108 A = @SMatrix[
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109 1 4 7;
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110 2 5 8;
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111 3 6 9;
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112 ]
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113 v = [A .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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114 @test ArrayComponentView(v, (1:2, 1:2)) == [@SMatrix[1 4;2 5] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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115 @test ArrayComponentView(v, (2:3, 1:2)) == [@SMatrix[2 5;3 6] .+ 100*i .+ 10*j for i ∈ 1:3, j∈ 1:4]
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116 end
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117 end
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118
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119 @testset "_ncomponents" begin
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120 @test Grids._ncomponents(Int) == 1
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121 @test Grids._ncomponents(Float64) == 1
dcbac783e4c1 Factor out functions for getting the type and number of components in a type
Jonatan Werpers <jonatan@werpers.com>
parents: 1269
diff changeset
122 @test Grids._ncomponents(Rational) == 1
dcbac783e4c1 Factor out functions for getting the type and number of components in a type
Jonatan Werpers <jonatan@werpers.com>
parents: 1269
diff changeset
123
dcbac783e4c1 Factor out functions for getting the type and number of components in a type
Jonatan Werpers <jonatan@werpers.com>
parents: 1269
diff changeset
124 @test Grids._ncomponents(SVector{3,Int}) == 3
dcbac783e4c1 Factor out functions for getting the type and number of components in a type
Jonatan Werpers <jonatan@werpers.com>
parents: 1269
diff changeset
125 @test Grids._ncomponents(SVector{2,Float64}) == 2
dcbac783e4c1 Factor out functions for getting the type and number of components in a type
Jonatan Werpers <jonatan@werpers.com>
parents: 1269
diff changeset
126 @test Grids._ncomponents(SVector{4,Rational}) == 4
dcbac783e4c1 Factor out functions for getting the type and number of components in a type
Jonatan Werpers <jonatan@werpers.com>
parents: 1269
diff changeset
127 end