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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use option::{Option, None};
use rt::io::{Reader, Writer};
pub struct MockReader {
read: ~fn(buf: &mut [u8]) -> Option<uint>,
eof: ~fn() -> bool
}
impl MockReader {
pub fn new() -> MockReader {
MockReader {
read: |_| None,
eof: || false
}
}
}
impl Reader for MockReader {
fn read(&mut self, buf: &mut [u8]) -> Option<uint> { (self.read)(buf) }
fn eof(&mut self) -> bool { (self.eof)() }
}
pub struct MockWriter {
write: ~fn(buf: &[u8]),
flush: ~fn()
}
impl MockWriter {
pub fn new() -> MockWriter {
MockWriter {
write: |_| (),
flush: || ()
}
}
}
impl Writer for MockWriter {
fn write(&mut self, buf: &[u8]) { (self.write)(buf) }
fn flush(&mut self) { (self.flush)() }
}
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