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Merged
kimikage merged 1 commit into from
Oct 22, 2026
Merged

Expand grayscale unary operation tests #217

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69 changes: 41 additions & 28 deletions test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -286,50 +286,63 @@ ColorTypes.comp2(c::RGBA32) = alpha(c)
end

@testset "Unary operations with Gray" begin
ntested = 0
for g in (Gray(0.4), Gray{N0f8}(0.4))
@test @inferred(zero(g)) === typeof(g)(0)
@test @inferred(oneunit(g)) === typeof(g)(1)
SFE = if isdefined(Base, :get_extension)
Base.get_extension(ColorVectorSpace, :SpecialFunctionsExt)
else
ColorVectorSpace.SpecialFunctionsExt
end
for mod in (
ColorVectorSpace,
SFE,
(; unaryops = (:trunc, :floor, :round, :ceil, :eps, :bswap)),
)
for op in mod.unaryops
op ∈ (:frexp, :exponent, :modf, :logfactorial) && continue
op === :~ && eltype(g) === Float64 && continue
op === :significand && eltype(g) === N0f8 && continue
try
v = @eval $op(gray($g)) # if this fails, don't bother with the next test
@test @eval($op($g)) === Gray(v)
end
SFE = if isdefined(Base, :get_extension)
Base.get_extension(ColorVectorSpace, :SpecialFunctionsExt)
else
ColorVectorSpace.SpecialFunctionsExt
end
mods = (
ColorVectorSpace,
SFE,
(; unaryops = (:trunc, :floor, :round, :ceil, :eps, :bswap)),
)
ntested = 0
@testset "$op" for mod in mods, op in mod.unaryops
op ∈ (:frexp, :exponent, :modf, :logfactorial) && continue # not supported

for T in (Float64, N0f8)
op === :~ && T === Float64 && continue
op === :significand && T === N0f8 && continue

if T === Float64 && op in (:acosh, :asec, :acsc, :acoth, :acscd, :asecd)
g = Gray{T}(2.5)
else
g = Gray{T}(0.4)
end
should_throw = true
try
v = @eval $op(gray($g)) # if this fails, don't bother with the next test
should_throw = false
@test @eval($op($g)) === Gray(v)
ntested += 1
catch ex
@test ex isa Union{DomainError, ArgumentError, OverflowError}
if should_throw
@test_throws typeof(ex) @eval($op($g))
ntested += 1
catch ex
@test ex isa Union{DomainError,ArgumentError}
end
end
end
end
@test ntested > 130
@test ntested >= 152
@test logabsgamma(Gray(0.2)) == (Gray(logabsgamma(0.2)[1]), 1)
for g in (Gray{N0f8}(0.4), Gray{N0f8}(0.6))
for op in (:trunc, :floor, :round, :ceil)

@testset "$op" for op in (:trunc, :floor, :round, :ceil)
for g in (Gray{N0f8}(0.4), Gray{N0f8}(0.6))
v = @eval $op(Bool, gray($g))
@test @eval($op(Bool, $g)) === v
end
end
for g in (Gray(1.4), Gray(1.6))
for op in (:trunc, :floor, :round, :ceil)
for g in (Gray(1.4), Gray(1.6))
v = @eval $op(Int, gray($g))
@test @eval($op(Int, $g)) === v
end
end
for (g1, g2) in ((Gray(0.4), Gray(0.3)), (Gray(N0f8(0.4)), Gray(N0f8(0.3))))
for op in (:mod, :rem, :mod1)
@testset "$op" for op in (:mod, :rem, :mod1)
for (g1, g2) in ((Gray(0.4), Gray(0.3)), (Gray(N0f8(0.4)), Gray(N0f8(0.3))))
v = @eval $op(gray($g1), gray($g2))
@test @eval($op($g1, $g2)) === Gray(v)
end
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