from io import BufferedReader, FileIO, StringIO, BytesIO
import os
from testutils import assert_raises
fi = FileIO('README.md')
assert fi.seekable()
bb = BufferedReader(fi)
assert bb.seekable()
result = bb.read()
assert len(result) <= 8 * 1024
assert len(result) >= 0
assert isinstance(result, bytes)
with FileIO('README.md') as fio:
res = fio.read()
assert len(result) <= 8 * 1024
assert len(result) >= 0
assert isinstance(result, bytes)
fd = os.open('README.md', os.O_RDONLY)
with FileIO(fd) as fio:
res2 = fio.read()
assert res == res2
fi = FileIO('README.md')
fi.read()
fi.close()
assert fi.closefd
