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[backports-release-1.11] Backport 7c81745 ("Mmap tests: refresh tempname to avoid windows fs slowness") to Julia 1.11.x #59448

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[backports-release-1.11] Backport 7c81745 ("Mmap tests: refresh tempname to avoid windows fs slowness") to Julia 1.11.x #59448

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2 changes: 2 additions & 0 deletions stdlib/Mmap/test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@ close(s)
@test_throws ArgumentError mmap(file, Vector{Ref}) # must be bit-type
GC.gc(); GC.gc()

file = tempname() # new name to reduce chance of issues due slow windows fs
s = open(f->f,file,"w")
@test mmap(file) == Vector{UInt8}() # requested len=0 on empty file
@test mmap(file,Vector{UInt8},0) == Vector{UInt8}()
Expand Down Expand Up @@ -191,6 +192,7 @@ m = mmap(file,Vector{UInt8},2,6)
@test_throws BoundsError m[3]
finalize(m); m = nothing; GC.gc()

file = tempname() # new name to reduce chance of issues due slow windows fs
s = open(file, "w")
write(s, [0xffffffffffffffff,
0xffffffffffffffff,
Expand Down