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