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comparison test/Grids/equidistant_grid_test.jl @ 1116:c2d7e940639e feature/grids

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Rename AbstractGrid to Grid and clean up Grids module
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 15 Jul 2022 09:54:15 +0200
parents test/Grids/EquidistantGrid_test.jl@6530fceef37c
children b9c6b0d8f0fa
comparison
equal deleted inserted replaced
1115:6530fceef37c 1116:c2d7e940639e
1 using Sbplib.Grids
2 using Test
3 using Sbplib.RegionIndices
4
5
6 @testset "EquidistantGrid" begin
7 @test EquidistantGrid(4,0.0,1.0) isa EquidistantGrid
8 @test EquidistantGrid(4,0.0,8.0) isa EquidistantGrid
9 # constuctor
10 @test_throws DomainError EquidistantGrid(0,0.0,1.0)
11 @test_throws DomainError EquidistantGrid(1,1.0,1.0)
12 @test_throws DomainError EquidistantGrid(1,1.0,-1.0)
13 @test EquidistantGrid(4,0.0,1.0) == EquidistantGrid((4,),(0.0,),(1.0,))
14
15 @testset "Base" begin
16 @test eltype(EquidistantGrid(4,0.0,1.0)) == Float64
17 @test eltype(EquidistantGrid((4,3),(0,0),(1,3))) == Int
18 @test size(EquidistantGrid(4,0.0,1.0)) == (4,)
19 @test size(EquidistantGrid((5,3), (0.0,0.0), (2.0,1.0))) == (5,3)
20 end
21
22 # dim
23 @test dim(EquidistantGrid(4,0.0,1.0)) == 1
24 @test dim(EquidistantGrid((5,3), (0.0,0.0), (2.0,1.0))) == 2
25
26 # spacing
27 @test [spacing(EquidistantGrid(4,0.0,1.0))...] ≈ [(1. /3,)...] atol=5e-13
28 @test [spacing(EquidistantGrid((5,3), (0.0,-1.0), (2.0,1.0)))...] ≈ [(0.5, 1.)...] atol=5e-13
29
30 # inverse_spacing
31 @test [inverse_spacing(EquidistantGrid(4,0.0,1.0))...] ≈ [(3.,)...] atol=5e-13
32 @test [inverse_spacing(EquidistantGrid((5,3), (0.0,-1.0), (2.0,1.0)))...] ≈ [(2, 1.)...] atol=5e-13
33
34 # points
35 g = EquidistantGrid((5,3), (-1.0,0.0), (0.0,7.11))
36 gp = points(g);
37 p = [(-1.,0.) (-1.,7.11/2) (-1.,7.11);
38 (-0.75,0.) (-0.75,7.11/2) (-0.75,7.11);
39 (-0.5,0.) (-0.5,7.11/2) (-0.5,7.11);
40 (-0.25,0.) (-0.25,7.11/2) (-0.25,7.11);
41 (0.,0.) (0.,7.11/2) (0.,7.11)]
42 for i ∈ eachindex(gp)
43 @test [gp[i]...] ≈ [p[i]...] atol=5e-13
44 end
45
46 # restrict
47 g = EquidistantGrid((5,3), (0.0,0.0), (2.0,1.0))
48 @test restrict(g, 1) == EquidistantGrid(5,0.0,2.0)
49 @test restrict(g, 2) == EquidistantGrid(3,0.0,1.0)
50
51 g = EquidistantGrid((2,5,3), (0.0,0.0,0.0), (2.0,1.0,3.0))
52 @test restrict(g, 1) == EquidistantGrid(2,0.0,2.0)
53 @test restrict(g, 2) == EquidistantGrid(5,0.0,1.0)
54 @test restrict(g, 3) == EquidistantGrid(3,0.0,3.0)
55 @test restrict(g, 1:2) == EquidistantGrid((2,5),(0.0,0.0),(2.0,1.0))
56 @test restrict(g, 2:3) == EquidistantGrid((5,3),(0.0,0.0),(1.0,3.0))
57 @test restrict(g, [1,3]) == EquidistantGrid((2,3),(0.0,0.0),(2.0,3.0))
58 @test restrict(g, [2,1]) == EquidistantGrid((5,2),(0.0,0.0),(1.0,2.0))
59
60 @testset "boundary_identifiers" begin
61 g = EquidistantGrid((2,5,3), (0.0,0.0,0.0), (2.0,1.0,3.0))
62 bids = (CartesianBoundary{1,Lower}(),CartesianBoundary{1,Upper}(),
63 CartesianBoundary{2,Lower}(),CartesianBoundary{2,Upper}(),
64 CartesianBoundary{3,Lower}(),CartesianBoundary{3,Upper}())
65 @test boundary_identifiers(g) == bids
66 @inferred boundary_identifiers(g)
67 end
68
69 @testset "boundary_grid" begin
70 @testset "1D" begin
71 g = EquidistantGrid(5,0.0,2.0)
72 (id_l, id_r) = boundary_identifiers(g)
73 @test boundary_grid(g,id_l) == EquidistantGrid{Float64}()
74 @test boundary_grid(g,id_r) == EquidistantGrid{Float64}()
75 @test_throws DomainError boundary_grid(g,CartesianBoundary{2,Lower}())
76 @test_throws DomainError boundary_grid(g,CartesianBoundary{0,Lower}())
77 end
78 @testset "2D" begin
79 g = EquidistantGrid((5,3),(0.0,0.0),(1.0,3.0))
80 (id_w, id_e, id_s, id_n) = boundary_identifiers(g)
81 @test boundary_grid(g,id_w) == restrict(g,2)
82 @test boundary_grid(g,id_e) == restrict(g,2)
83 @test boundary_grid(g,id_s) == restrict(g,1)
84 @test boundary_grid(g,id_n) == restrict(g,1)
85 @test_throws DomainError boundary_grid(g,CartesianBoundary{4,Lower}())
86 end
87 @testset "3D" begin
88 g = EquidistantGrid((2,5,3), (0.0,0.0,0.0), (2.0,1.0,3.0))
89 (id_w, id_e,
90 id_s, id_n,
91 id_t, id_b) = boundary_identifiers(g)
92 @test boundary_grid(g,id_w) == restrict(g,[2,3])
93 @test boundary_grid(g,id_e) == restrict(g,[2,3])
94 @test boundary_grid(g,id_s) == restrict(g,[1,3])
95 @test boundary_grid(g,id_n) == restrict(g,[1,3])
96 @test boundary_grid(g,id_t) == restrict(g,[1,2])
97 @test boundary_grid(g,id_b) == restrict(g,[1,2])
98 @test_throws DomainError boundary_grid(g,CartesianBoundary{4,Lower}())
99 end
100 end
101
102 @testset "refine" begin
103 @test refine(EquidistantGrid{Float64}(), 1) == EquidistantGrid{Float64}()
104 @test refine(EquidistantGrid{Float64}(), 2) == EquidistantGrid{Float64}()
105
106 g = EquidistantGrid((10,5),(0.,1.),(2.,3.))
107 @test refine(g, 1) == g
108 @test refine(g, 2) == EquidistantGrid((19,9),(0.,1.),(2.,3.))
109 @test refine(g, 3) == EquidistantGrid((28,13),(0.,1.),(2.,3.))
110 end
111
112 @testset "coarsen" begin
113 @test coarsen(EquidistantGrid{Float64}(), 1) == EquidistantGrid{Float64}()
114 @test coarsen(EquidistantGrid{Float64}(), 2) == EquidistantGrid{Float64}()
115
116 g = EquidistantGrid((7,13),(0.,1.),(2.,3.))
117 @test coarsen(g, 1) == g
118 @test coarsen(g, 2) == EquidistantGrid((4,7),(0.,1.),(2.,3.))
119 @test coarsen(g, 3) == EquidistantGrid((3,5),(0.,1.),(2.,3.))
120
121 @test_throws DomainError(4, "Size minus 1 must be divisible by the ratio.") coarsen(g, 4) == EquidistantGrid((3,5),(0.,1.),(2.,3.))
122 end
123 end