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Don't run ccall test on platforms that don't allow it #105

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Jun 1, 2021
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Don't run ccall test on platforms that don't allow it #105

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18 changes: 13 additions & 5 deletions test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -732,11 +732,19 @@ end
@testset "2-arg functions: $f" for f in (log, hypot, atan)
@test @uncertain(f(x, y)) ≈ f(x, y)
end
@testset "ccall" begin
f(x) = x * x
ptr = @cfunction($f, Cdouble, (Cdouble,))
g(x) = ccall(Base.unsafe_convert(Ptr{Cvoid}, ptr), Cdouble, (Cdouble,), x)*x
@test GC.@preserve(ptr, @uncertain(g(x))) ≈ x^3
@static if VERSION < v"1.6.0-" || Base.BinaryPlatforms.arch(Base.BinaryPlatforms.HostPlatform()) ∉ ("aarch64", "armv6l", "armv7l", "powerpc64le")
# Don't run this test if the platform doesn't allow it, see
# https://github.com/JuliaLang/julia/blob/58ffe7e3ed3a93a9d816097548e785284f57fbd4/src/codegen.cpp#L5531-L5536
# However I don't know how to check the architecture of the current
# system before Julia v1.6 in a sane way: I should copy
# `Base.BinaryPlatforms.CPUID.normalize_arch`, but that's really too
# much work for this simple test, so let's ignore the problem.
@testset "ccall" begin
f(x) = x * x
ptr = @cfunction($f, Cdouble, (Cdouble,))
g(x) = ccall(Base.unsafe_convert(Ptr{Cvoid}, ptr), Cdouble, (Cdouble,), x)*x
@test GC.@preserve(ptr, @uncertain(g(x))) ≈ x^3
end
end
end

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