filesystem.jl
# This file is a part of Julia. License is MIT: https://julialang.org/license
mktempdir() do dir
# Create test file
filename = joinpath(dir, "file.txt")
text = "123456"
write(filename, text)
# test filesystem truncate (shorten)
file = Base.Filesystem.open(filename, Base.Filesystem.JL_O_RDWR)
Base.Filesystem.truncate(file, 2)
text = text[1:2]
@test length(read(file)) == 2
close(file)
# test filesystem truncate (lengthen)
file = Base.Filesystem.open(filename, Base.Filesystem.JL_O_RDWR)
Base.Filesystem.truncate(file, 20)
@test length(read(file)) == 20
close(file)
# test filesystem futime
file = Base.Filesystem.open(filename, Base.Filesystem.JL_O_RDWR)
Base.Filesystem.futime(file, 1.0, 2.0)
@test Base.Filesystem.stat(file).mtime == 2.0
close(file)
# test filesystem readbytes!
file = Base.Filesystem.open(filename, Base.Filesystem.JL_O_RDWR)
res = ones(UInt8, 80)
Base.Filesystem.readbytes!(file, res)
@test res == UInt8[text..., (i > 20 for i in (length(text) + 1):length(res))...]
close(file)
end
import Base.Filesystem: S_IRUSR, S_IRGRP, S_IROTH
@testset "types of permission mask constants" begin
@test S_IRUSR & ~S_IRGRP == S_IRUSR
@test typeof(S_IRUSR) == typeof(S_IRGRP) == typeof(S_IROTH)
end