deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream2-pipe-error-handling.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');
{ let count = 1000;
const source = new stream.Readable(); source._read = function(n) { n = Math.min(count, n); count -= n; source.push(Buffer.allocUnsafe(n)); };
let unpipedDest; source.unpipe = function(dest) { unpipedDest = dest; stream.Readable.prototype.unpipe.call(this, dest); };
const dest = new stream.Writable(); dest._write = function(chunk, encoding, cb) { cb(); };
source.pipe(dest);
let gotErr = null; dest.on('error', function(err) { gotErr = err; });
let unpipedSource; dest.on('unpipe', function(src) { unpipedSource = src; });
const err = new Error('This stream turned into bacon.'); dest.emit('error', err); assert.strictEqual(gotErr, err); assert.strictEqual(unpipedSource, source); assert.strictEqual(unpipedDest, dest);}
{ let count = 1000;
const source = new stream.Readable(); source._read = function(n) { n = Math.min(count, n); count -= n; source.push(Buffer.allocUnsafe(n)); };
let unpipedDest; source.unpipe = function(dest) { unpipedDest = dest; stream.Readable.prototype.unpipe.call(this, dest); };
const dest = new stream.Writable({ autoDestroy: false }); dest._write = function(chunk, encoding, cb) { cb(); };
source.pipe(dest);
let unpipedSource; dest.on('unpipe', function(src) { unpipedSource = src; });
const err = new Error('This stream turned into bacon.');
let gotErr = null; try { dest.emit('error', err); } catch (e) { gotErr = e; } assert.strictEqual(gotErr, err); assert.strictEqual(unpipedSource, source); assert.strictEqual(unpipedDest, dest);}
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