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// 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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