nodejs-mozilla/test/parallel/test-stream-pipe-event.js

52 lines
1.7 KiB
JavaScript

// 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 stream = require('stream');
const assert = require('assert');
function Writable() {
this.writable = true;
stream.Stream.call(this);
}
Object.setPrototypeOf(Writable.prototype, stream.Stream.prototype);
Object.setPrototypeOf(Writable, stream.Stream);
function Readable() {
this.readable = true;
stream.Stream.call(this);
}
Object.setPrototypeOf(Readable.prototype, stream.Stream.prototype);
Object.setPrototypeOf(Readable, stream.Stream);
let passed = false;
const w = new Writable();
w.on('pipe', function(src) {
passed = true;
});
const r = new Readable();
r.pipe(w);
assert.ok(passed);