circuitpython/tests/basics/io_bytesio_ext.py
Jim Mussared 4216bc7d13 tests: Replace umodule with module everywhere.
This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2023-06-08 17:54:24 +10:00

25 lines
352 B
Python

# Extended stream operations on io.BytesIO
import io
a = io.BytesIO(b"foobar")
a.seek(10)
print(a.read(10))
a = io.BytesIO()
print(a.seek(8))
a.write(b"123")
print(a.getvalue())
print(a.seek(0, 1))
print(a.seek(-1, 2))
a.write(b"0")
print(a.getvalue())
a.flush()
print(a.getvalue())
a.seek(0)
arr = bytearray(10)
print(a.readinto(arr))
print(arr)