deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream2-unpipe-drain.js
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/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';require('../common');const assert = require('assert');
const stream = require('stream');
class TestWriter extends stream.Writable { _write(buffer, encoding, callback) { console.log('write called'); // Super slow write stream (callback never called) }}
const dest = new TestWriter();
class TestReader extends stream.Readable { constructor() { super(); this.reads = 0; }
_read(size) { this.reads += 1; this.push(Buffer.alloc(size)); }}
const src1 = new TestReader();const src2 = new TestReader();
src1.pipe(dest);
src1.once('readable', () => { process.nextTick(() => {
src2.pipe(dest);
src2.once('readable', () => { process.nextTick(() => {
src1.unpipe(dest); }); }); });});
process.on('exit', () => { assert.strictEqual(src1.reads, 2); assert.strictEqual(src2.reads, 2);});
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