mirror of
https://github.com/denoland/deno.git
synced 2024-10-30 09:08:00 -04:00
62 lines
2 KiB
JavaScript
62 lines
2 KiB
JavaScript
// deno-fmt-ignore-file
|
|
// deno-lint-ignore-file
|
|
|
|
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
|
|
// Taken from Node 18.12.1
|
|
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
|
|
|
|
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
'use strict';
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
|
|
const Stream = require('stream');
|
|
const Readable = Stream.Readable;
|
|
|
|
const r = new Readable();
|
|
const N = 256;
|
|
let reads = 0;
|
|
r._read = function(n) {
|
|
return r.push(++reads === N ? null : Buffer.allocUnsafe(1));
|
|
};
|
|
|
|
r.on('end', common.mustCall());
|
|
|
|
const w = new Stream();
|
|
w.writable = true;
|
|
let buffered = 0;
|
|
w.write = function(c) {
|
|
buffered += c.length;
|
|
process.nextTick(drain);
|
|
return false;
|
|
};
|
|
|
|
function drain() {
|
|
assert(buffered <= 3);
|
|
buffered = 0;
|
|
w.emit('drain');
|
|
}
|
|
|
|
w.end = common.mustCall();
|
|
|
|
r.pipe(w);
|