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[Mmap] Skip ReadOnlyMemoryError test on PowerPC #38863

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Dec 14, 2020
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[Mmap] Skip ReadOnlyMemoryError test on PowerPC #38863

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13 changes: 9 additions & 4 deletions stdlib/Mmap/test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -93,10 +93,15 @@ m = Mmap.mmap(s, Vector{UInt8}, 1, sz+1)
@test m[1] == 0x00
close(s); finalize(m); m=nothing; GC.gc()

s = open(file, "r")
m = Mmap.mmap(s)
@test_throws ReadOnlyMemoryError m[5] = UInt8('x') # tries to setindex! on read-only array
finalize(m); m=nothing; GC.gc()
# See https://github.com/JuliaLang/julia/issues/32155
# On PPC we receive `SEGV_MAPERR` instead of `SEGV_ACCERR` and
# can thus not turn the segmentation fault into an exception.
if !(Sys.ARCH === :powerpc64le || Sys.ARCH === :ppc64le)
s = open(file, "r")
m = Mmap.mmap(s)
@test_throws ReadOnlyMemoryError m[5] = UInt8('x') # tries to setindex! on read-only array
finalize(m); m=nothing; GC.gc()
end

write(file, "Hello World\n")

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