def test_sendfile_invalid_offset():
from rpython.rlib import rsocket
s1, s2 = rsocket.socketpair()
relpath = 'test_sendfile_invalid_offset'
filename = str(udir.join(relpath))
fd = os.open(filename, os.O_RDWR | os.O_CREAT, 0777)
os.write(fd, 'abcdefghij')
with py.test.raises(OSError) as excinfo:
rposix.sendfile(s1.fd, fd, -1, 5)
assert excinfo.value.errno == errno.EINVAL
os.close(fd)
s2.close()
s1.close()
def test_sendfile():
from rpython.rlib import rsocket
s1, s2 = rsocket.socketpair()
relpath = 'test_sendfile'
filename = str(udir.join(relpath))
fd = os.open(filename, os.O_RDWR | os.O_CREAT, 0777)
os.write(fd, 'abcdefghij')
res = rposix.sendfile(s1.fd, fd, 3, 5)
assert res == 5
data = os.read(s2.fd, 10)
assert data == 'defgh'
os.close(fd)
s2.close()
s1.close()