def test_io_readinto(self):
# This test is necessary because in py2.6, `readinto` doesn't get called
# in `test_io_bufferedreader` like it does for all the other python
# versions. Probably this is because the `io` module in py2.6 is an
# old version that has a different underlying implementation.
fp = self._fake_fp(b'foo')
#fp = BytesIO(b'foo')
resp = HTTPResponse(fp, preload_content=False)
barr = bytearray(3)
amtRead = yield From(resp.readinto(barr))
assert amtRead == 3
assert b'foo' == barr
# The reader should already be empty, so this should read nothing.
amtRead = yield From(resp.readinto(barr))
assert amtRead == 0
assert b'foo' == barr
