Files
TencentOS-tiny/components/language/micropython/tests/basics/io_buffered_writer.py
2022-09-29 12:10:37 +08:00

28 lines
551 B
Python

import uio as io
try:
io.BytesIO
io.BufferedWriter
except AttributeError:
print('SKIP')
raise SystemExit
bts = io.BytesIO()
buf = io.BufferedWriter(bts, 8)
buf.write(b"foobar")
print(bts.getvalue())
buf.write(b"foobar")
# CPython has different flushing policy, so value below is different
print(bts.getvalue())
buf.flush()
print(bts.getvalue())
buf.flush()
print(bts.getvalue())
# special case when alloc is a factor of total buffer length
bts = io.BytesIO()
buf = io.BufferedWriter(bts, 1)
buf.write(b"foo")
print(bts.getvalue())