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comparison LazyTensors/test/runtests.jl @ 200:c19bfad0e836 boundary_conditions

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Add tests for LazyArrays and lazy operations
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Sun, 23 Jun 2019 20:44:09 +0200
parents b5c9be7f391c
children 6b7019f2cd41
comparison
equal deleted inserted replaced
199:a22b419bbdf0 200:c19bfad0e836
54 @test (m*m*v)[3] == (:apply,m*v,3) 54 @test (m*m*v)[3] == (:apply,m*v,3)
55 @test (m*m*v)[6] == (:apply,m*v,6) 55 @test (m*m*v)[6] == (:apply,m*v,6)
56 @test_broken BoundsError == (m*m*v)[0] 56 @test_broken BoundsError == (m*m*v)[0]
57 @test_broken BoundsError == (m*m*v)[7] 57 @test_broken BoundsError == (m*m*v)[7]
58 end 58 end
59
60 @testset "LazyArray" begin
61 struct DummyArray{T,D, T1<:AbstractArray{T,D}} <: LazyArray{T,D}
62 data::T1
63 end
64 Base.size(v::DummyArray) = size(v.data)
65 Base.getindex(v::DummyArray, I...) = v.data[I...]
66
67 # Test lazy operations
68 v1 = [1, 2.3, 4]
69 v2 = [1., 2, 3]
70 r_add = v1 .+ v2
71 r_sub = v1 .- v2
72 r_times = v1 .* v2
73 r_div = v1 ./ v2
74 @test isa(v1 +̃ v2, LazyArray)
75 @test isa(v1 -̃ v2, LazyArray)
76 @test isa(v1 *̃ v2, LazyArray)
77 @test isa(v1 /̃ v2, LazyArray)
78 for i ∈ eachindex(v1)
79 @test (v1 +̃ v2)[i] == r_add[i]
80 @test (v1 -̃ v2)[i] == r_sub[i]
81 @test (v1 *̃ v2)[i] == r_times[i]
82 @test (v1 /̃ v2)[i] == r_div[i]
83 end
84 @test_throws BoundsError (v1 +̃ v2)[4]
85
86 # Test operations on LazyArray
87 v1 = DummyArray([1, 2.3, 4])
88 @test isa(v1 + v2, LazyArray)
89 @test isa(v2 + v1, LazyArray)
90 @test isa(v1 - v2, LazyArray)
91 @test isa(v2 - v1, LazyArray)
92 @test isa(v1 * v2, LazyArray)
93 @test isa(v2 * v1, LazyArray)
94 @test_broken isa(v1 / v2, LazyArray)
95 @test_broken isa(v2 / v1, LazyArray)
96 for i ∈ eachindex(v2)
97 @test (v1 + v2)[i] == (v2 + v1)[i] == r_add[i]
98 @test (v1 - v2)[i] == -(v2 - v1)[i] == r_sub[i]
99 @test (v1 * v2)[i] == (v2 * v1)[i] == r_times[i]
100 @test_broken (v1 / v2)[i] == 1/((v2 / v1)[i]) == r_div[i]
101 end
102 @test_throws BoundsError (v1 + v2)[4]
103 v2 = [1., 2, 3, 4]
104 # Test that size of arrays is asserted when not specified inbounds
105 @test_throws AssertionError v1 + v2
106 # Test that no error checking is performed when specified inbounds
107 @test_broken @inbounds((v1 + v2)[1] == 2)
108 end