dofile("/testfile")
assert(loadfile("/testfile"))
assert(io.input("/testfile"))
assert(io.output("/file1"))
file = assert(io.open("/file1", "w"))
assert(io.input(file))
assert(io.output(file))
file:write("Hello world\n")
file:close()
assert(io.input())
assert(io.output())
for line in assert(io.lines("/file1")) do
	assert(line == "Hello world")
end
file, err = io.popen("/testfile", "r")
if file == nil then
	assert(string.find(err, " not supported") == 1)
else
	assert(file:read() == "Abracadabra!")
	file:close();
end
assert(os.rename("/file1","/file2"))
assert(os.remove("/file2"))
assert(posix.mkdir("/testdir"))
assert(posix.stat("/testdir"))
assert(posix.chdir("/testdir"))
assert(posix.getcwd() == "/testdir")
assert(posix.mkdir("dir1"))
assert(posix.link("/testdir/dir1", "/testdir/link", true))
assert(posix.readlink("/testdir/link") == "/testdir/dir1")
assert(posix.unlink("/testdir/link"))
assert(posix.link("/testfile", "/testdir/magic", false))
assert(posix.chmod("/testfile","a+x"))
assert(posix.access("/testfile","x"))
pid = posix.fork()
if pid == 0 then
	assert(posix.exec("/testfile"))
else
	posix.wait(pid)
end
assert(posix.chdir("/"))
posix.setenv("PATH","/bin:/usr/bin:/testdir",true)
pid = posix.fork()
if pid == 0 then
	assert(posix.execp("magic"))
else
	posix.wait(pid)
end
assert(posix.utime("/testfile"))
assert(posix.pathconf("/testdir/magic"))
assert(posix.mkfifo("/testdir/fifo"))
assert(posix.dir())
assert(posix.dir("/testdir"))
assert(posix.files())
assert(posix.files("/testdir"))
for _,f in pairs(posix.glob("/testdir/*")) do
	assert(string.find(f, "/testdir/") == 1)
end
assert(posix.rmdir("/testdir/dir1"))
assert(posix.chown("/testfile",-1,-1))