deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream-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';const common = require('../common');const assert = require('assert');const { Stream, PassThrough } = require('stream');
{ const source = new Stream(); const dest = new Stream();
source.pipe(dest);
let gotErr = null; source.on('error', function(err) { gotErr = err; });
const err = new Error('This stream turned into bacon.'); source.emit('error', err); assert.strictEqual(gotErr, err);}
{ const source = new Stream(); const dest = new Stream();
source.pipe(dest);
const err = new Error('This stream turned into bacon.');
let gotErr = null; try { source.emit('error', err); } catch (e) { gotErr = e; }
assert.strictEqual(gotErr, err);}
{ const R = Stream.Readable; const W = Stream.Writable;
const r = new R({ autoDestroy: false }); const w = new W({ autoDestroy: false }); let removed = false;
r._read = common.mustCall(function() { setTimeout(common.mustCall(function() { assert(removed); assert.throws(function() { w.emit('error', new Error('fail')); }, /^Error: fail$/); }), 1); });
w.on('error', myOnError); r.pipe(w); w.removeListener('error', myOnError); removed = true;
function myOnError() { throw new Error('this should not happen'); }}
{ const R = Stream.Readable; const W = Stream.Writable;
const r = new R(); const w = new W(); let removed = false;
r._read = common.mustCall(function() { setTimeout(common.mustCall(function() { assert(removed); w.emit('error', new Error('fail')); }), 1); });
w.on('error', common.mustCall()); w._write = () => {};
r.pipe(w); // Removing some OTHER random listener should not do anything w.removeListener('error', () => {}); removed = true;}
{ const _err = new Error('this should be handled'); const destination = new PassThrough(); destination.once('error', common.mustCall((err) => { assert.strictEqual(err, _err); }));
const stream = new Stream(); stream .pipe(destination);
destination.destroy(_err);}
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